Haig, Henry and Bender, Nicholas and Chen, Yi-Hao and Dhar, Anirban and Choudhury, Nilotpal and Sen, Ranjan and Christodoulides, Demetrios N and Wise, Frank (2023) Gain-induced Kerr beam cleaning in a femtosecond fiber amplifier. Journal of the Optical Society of America B-Optical Physics , 40 (6). pp. 1510-1517. ISSN 0740-3224

Choudhury, Nilotpal and Dey, Nitai and Mandal, Ashok Kumar and Sen, Ranjan and Dhar, Anirban (2023) Investigation on porous aluminosilicate soot layer for fabrication of specialty optical fiber using VPCD technique. Ceramics International, 49 (9, A). pp. 14145-14154. ISSN 0272-8842

Haig, Henry and Sidorenko, Pavel and Dhar, Anirban and Choudhury, Nilotpal and Sen, Ranjan and Christodoulides, Demetrios and Wise, Frank (2022) Multimode Mamyshev oscillator. Optics Letters, 47 (1). pp. 46-49. ISSN 0146-9592

Haig, Henry and Sidorenko, Pavel and Dhar, Anirban and Choudhury, Nilotpal and Sen, Ranjan and Christodoulides, Demetrios and Wise, Frank (2022) Multimode Mamyshev oscillator. Optics Letters, 47 (1). pp. 46-49. ISSN 0146-9592

Choudhury, Nilotpal and Chowdhury, Sajib and Das Chowdhury, Sourav and Shekhar, Nishant Kumar and Jain, Deepak and Sen, Ranjan and Dhar, Anirban (2022) Novel Dopant Tailored Fibers Using Vapor Phase Chelate Delivery Technique. Physica Status Solidi A-Appications and Materials Science, 219 (1). Art No-2100484. ISSN 0031-8965

Das Chowdhury, Sourav and Dutta Gupta, Bhaswar and Chatterjee, Sayan and Sen, Ranjan and Pal, Mrinmay (2020) Explosion induced rogue waves and chaotic multi-pulsing in a passively mode-locked all-normal dispersion fiber laser. Journal of Optics, 22 (6). Art No-065505. ISSN 0972-8821

Choudhury, Nilotpal and Shekhar, Nishant Kumar and Dhar, Anirban and Sen, Ranjan (2019) Graded-Index Ytterbium-Doped Optical Fiber Fabricated through Vapor Phase Chelate Delivery Technique. Physica Status Solidi A-Appications and Materials Science, 216 (20). Art No-1900365. ISSN 0031-8965

Pal, Debasis and Das Chowdhury, Sourav and Dhar, Anirban and Saraf, Siddharth and Maiti, Krishnendu and Pal, Dilip Kumar and Sen, Ranjan and Pal, Atasi (2019) Ex vivo testing of air-cooled CW/modulated 30 W thulium fiber laser for lithotripsy. Applied Optics, 58 (25). pp. 6720-6724. ISSN 0003-6935

Das Chowdhury, Sourav and Dutta Gupta, Bhaswar and Chatterjee, Sayan and Sen, Ranjan and Pal, Mrinmay (2019) Rogue waves in a linear cavity Yb-fiber laser through spectral filtering induced pulse instability. Optics Letters, 44 (9). pp. 2161-2164. ISSN 0146-9592

Pal, Atasi and Pal, Debasis and Das Chowdhury, Sourav and Maiti, Krishnendu and Sen, Ranjan (2019) Interaction of thulium fiber laser with urinary stone: effect of laser parameter on fragmented particle size and retropulsion. Proceedings of SPIE , 10876. 151 - 155. ISSN 0277-786X

Das Chowdhury, Sourav and Manna, Subrata and Chatterjee, Sayan and Sen, Ranjan and Pal, Mrinmay (2019) Mega-Hertz repetition rate broadband nano-second pulses from an actively mode-locked Yb-fiber laser. Laser Physics, 29 (3). Art No-035102. ISSN 1054-660X

Pal, Debasis and Paul, Aritra and Shekhar, Nishant Kumar and Das Chowdhury, Sourav and Sen, Ranjan and Chatterjee, Kabita and Pal, Atasi (2019) COM Stone Dusting and Soft Tissue Ablation With Q-Switched Thulium Fiber Laser. IEEE Journal of Selected Topics in Quantum Electronics, 25 (1). Art No-7100808. ISSN 1077-260X

Mandal, Ashis Kumar and Sen, Ranjan (2019) Optimization of melting parameters and minimizing OH content in SiO2-B2O3-Na2O-BaO glass system in microwave heating. International Journal of Applied Glass Science, 10 (1). pp. 83-91. ISSN 2041-1294

Pal, Atasi and Pal, Debasis and Das Chowdhury, Sourav and Maiti, Krishnendu and Sen, Ranjan (2019) Interaction of Thulium Fiber Laser with Urinary Stone: Effect of Laser Parameter on Fragmented Particle Size and Retropulsion. In: OPTICAL INTERACTIONS WITH TISSUE AND CELLS XXX, FEB 02-03, 2019 , San Francisco, CA.

Das Chowdhury, Sourav and Pal, Atasi and Chatterjee, Sayan and Sen, Ranjan and Pal, Mrinmay (2018) Multipulse Dynamics of Dissipative Soliton Resonance in an All-Normal Dispersion Mode-Locked Fiber Laser. Journal of Lightwave Technology, 36 (24). pp. 5773-5779. ISSN 0733-8724

Mandal, Ashis Kumar and Sen, Ranjan (2018) Preservation of higher FeII] content in borosilicate glass by microwave irradiation in air. Materials Research Bulletin, 108. pp. 156-162. ISSN 0025-5408

Basak, Arijit and Ramrakhiani, Lata and Ghosh, Sourja and Sen, Ranjan and Mandal, Ashis Kumar (2018) Preparation of chromium doped phosphate glass adopting microwave irradiation and comparative analysis of properties with conventional glass. Journal of Non-Crystalline Solids, 500. pp. 11-17. ISSN 0022-3093

Ghosh, Aditi and Roy, Arpita Sinha and Das Chowdhury, Sourav and Sen, Ranjan and Pal, Atasi (2018) Corrigendum to "All-fiber tunable ring laser source near 2 mu m designed for CO2 sensing (vol 235, pg 547, 2016". Sensors and Actuators B-Chemical, 264. p. 467. ISSN 0925-4005

Saha, Maitreyee and Sen, Ranjan (2018) Synthesis and characterization of rare earth-doped silica nanoparticles for optimizing vapor phase doping technique. International Journal of Applied Glass Science, 9 (3). pp. 364-372. ISSN 2041-1294

Pal, Debasis and Paul, Aritra and Das Chowdhury, Sourav and Pal, Mrinmay and Sen, Ranjan and Pal, Atasi (2018) Hybrid pumped gain-switched thulium fiber laser at a high repetition rate. Applied Optics, 57 (13). pp. 3546-3550. ISSN 0003-6935

Mandal, Ashis Kumar and Mandal, B and Illath, Kavya and Ajithkumar, T G and Halder, A and Sinha, P K and Sen, Ranjan (2018) Preparation of colourless phosphate glass by stabilising higher Fe[II] in microwave heating. Scientific Reports, 8. Article No-6195. ISSN 2045-2322

Das Chowdhury, Sourav and Pal, Atasi and Chatterjee, Sayan and Sen, Ranjan and Pal, Mrinmay (2018) Diverse mode of operation of an all-normal-dispersion mode-locked fiber laser employing two nonlinear loop mirrors. Applied Optics, 57 (5). pp. 1225-1230. ISSN 0003-6935

Choudhury, Nilotpal and Paul, Aritra and Shekhar, Nishant and Das Chowdhury, Sourav and Sen, Ranjan and Dhar, Aanirban (2017) Bend Insensitive YB-Doped Fiber Fabricated Through Vapour Phase Doping Process. In: 2017 IEEE Workshop on Recent Advances in Photonics (WRAP), DEC 18-19, 2017, Mahindra Ecole Centrale, Hyderabad, INDIA.

Pal, Debasis and Sen, Ranjan and Pal, Atasi (2017) Gain Switched All-Fiber Holmium Laser at 2.1 Micron. In: 2017 IEEE Workshop on Recent Advances in Photonics (WRAP), DEC 18-19, 2017, Mahindra Ecole Centrale, Hyderabad, INDIA.

Pal, Debasis and Sen, Ranjan and Pal, Atasi (2017) Gain Switched All-fiber Holmium Laser at 2.1 Micron. In: 2017 IEEE WORKSHOP ON RECENT ADVANCES IN PHOTONICS (WRAP), DEC 18-19, 2017, Mahindra Ecole Centrale, Hyderabad, INDIA.

Das Chowdhury, S and Pal, Atasi and Pal, D and Chatterjee, S and Paul, Mukul Chandra and Sen, Ranjan and Pal, Mrinmoy (2017) Sub 100 NS TM Gain-Switched Fiber Laser Pumped by Rectangular Pulse Er: Yb Fiber Laser and Effect on Tissue Ablation. In: 2017 IEEE Workshop on Recent Advances in Photonics (WRAP), DEC 18-19, 2017, Mahindra Ecole Centrale, Hyderabad, INDIA.

Caspary, Reinhard and Evert, Robert and Pal, Debasis and Pal, Atasi and Sen, Ranjan (2017) Universal Fibre Laser Model Used for the Simulation of 2 mu m Thulium Fibre Lasers. In: 19TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS (ICTON), JUL 02-06, 2017, Girona, SPAIN.

Halder, Avik and Mandal, Biswajit and Mahanty, Sourindra and Sen , Ranjan and Mandal, Ashis Kumar (2017) A comparative property investigation of lithium phosphate glass melted in microwave and conventional heating. Bulletin of Materials Science, 40 (5). pp. 999-1006. ISSN 0250-4707

Pal, Atasi and Dhar, Anirban and Ghosh, Aditi and Sen, Ranjan and Hooda, Babita and Rastogi, Vipul and Ams, Martin and Fabian, Matthias and Sun, Tong and Grattan, K T V (2017) Sensors for Harsh Environment: Radiation Resistant FBG Sensor System. Journal of Lightwave Technology, 35 (16). pp. 3393-3398. ISSN 0733-8724

Das Chowdhury, Sourav and Pal, Atasi and Pal, Debasis and Chatterjee, Sayan and Paul, Mukul Chandra and Sen, Ranjan and Pal, Mrinmay (2017) High repetition rate gain-switched 1.94 mu m fiber laser pumped by 1.56 mu m dissipative soliton resonance fiber laser. Optics Letters, 42 (13). pp. 2471-2474. ISSN 0146-9592

Chinya, Ipsita and Sen, Ranjan and Dhar, Anirban (2017) Synthesis and characterization of transparent erbium-ytterbium co-doped polymer nanocomposites for fabrication of polymer optical preform. Physica Status Solidi A-Appications and Materials, 214 (5). Article No-1600685 . ISSN 0031-8965

Pal, Atasi and Pal, Debasis and Das Chowdhury, Sourav and Sen, Ranjan (2017) All-Fiber Laser at 1.94 mu m: Effect on Soft Tissue. Proceedings of SPIE, 10062. Article No-UNSP 100620A. ISSN 0277-786X

Saha, Maitreyee and Chinya, Ipsita and Khatua, Chandra and Sreemany, Monjoy and Guha, Chandan and Sen, Ranjan (2017) Physicochemical Study of Rare Earth beta-Diketonate Precursor for Optimizing MCVD-Vapor Phase Doping Technique. ECS Journal Of Solid State Science And Technology, 6 (8). P517-P520. ISSN 2162-8769

Mandal, Ashis Kumar and Sen, Ranjan (2017) An overview on microwave processing of material: A special emphasis on glass melting. Materials and Manufacturing Processes , 32 (1). pp. 1-20. ISSN 1042-6914

Ghosh, Aditi and Roy, Arpita Sinha and Das Chowdhury, Sourav and Sen, Ranjan and Pal, Atasi (2016) All-fiber tunable ring laser source near 2 mu m designed for CO2 sensing. Sensors and Actuators B-Chemical, 235. pp. 547-553. ISSN 0925-4005

Dhar, Anirban and Paul, Mukul Chandra and Das Chowdhury, Sourav and Pal, Mrinmay and Pal, Atasi and Sen, Ranjan (2016) Fabrication and properties of rare-earth-doped optical fiber using barium as an alternate codopant. Physica Status Solidi A-Appications and Materials Science, 213 (11). pp. 3039-3045. ISSN 0031-8965

Mandal, Biswajit and Halder, Avik and Sinha, Prasanta Kumar and Sen, Ranjan and Mandal, Ashis Kumar (2016) Investigation of iron redox ratio in zinc borate glass prepared in microwave heating and comparison with conventional glass. Journal of Non-Crystalline Solids, 450. pp. 12-17. ISSN 0022-3093

Pal, Debasis and Ghosh, Aditi and Sen, Ranjan and Pal, Atasi (2016) Continuous-wave and quasi-continuous wave thulium-doped all-fiber laser: implementation on kidney stone fragmentations. Applied Optics, 55 (23). pp. 6151-6155. ISSN 0003-6935

Saha, Maitreyee and Sen, Ranjan (2016) Vapor phase doping process for fabrication of rare earth doped optical fibers: Current status and future opportunities. Physica Status Solidi A-Appications and Materials, 213 (6). pp. 1377-1391. ISSN 0031-8965

Mandal, Biswajit and Sinha, Prasanta Kumar and Sen, Ranjan and Mandal, Ashis Kumar (2016) A Comparative Spectrophotometric Study Using Ferrozine and 1,10-Ortho-phenanthroline to Evaluate the Iron Redox Ratio (Fe2+/Sigma Fe) in Glass Prepared by Microwave Heating. Analytical Sciences, 32 (5). pp. 571-576. ISSN 0910-6340

Saha, Maitreyee and Das Chowdhury, Sourav and Shekhar, Nishant Kumar and Pal, Atasi and Pal, Mrinmay and Guha, Chandan and Sen, Ranjan (2016) Yb-Doped Pedestal Silica Fiber Through Vapor Phase Doping for Pulsed Laser Applications. IEEE Photonics Technology Letters, 28 (9). pp. 1022-1025. ISSN 1041-1135

Berendt, Martin and Alam, Shaif-ul and Pal, Mrinmay and Saha, Maitreyee and Sen, Ranjan and Richardson, David J (2016) Single Polarization, High Energy Pulsed Fiber Laser from 200 mu m Core Yb-Doped Fiber. In: 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), JUN 05-10, 2016, San Jose, CA.

Sen, Ranjan and Saha, Maitreyee and Das Chowdhury, Sourav and Shekhar, Nishant Kumar and Plal, Debasis and Ghosh, Aditi and Dhar, Anirban and Pal, Atasi and Pal, Mrinmay (2015) High powder fiber lasers: fundamentals to applications. Science and Culture, 81 (11-12). pp. 319-326. ISSN 0036-8156

Saha, Maitreyee and Pal, Atasi and Pal, Mrinmay and Guha, Chandan and Sen, Ranjan (2015) An Optimized Vapor Phase Doping Process to Fabricate Large Core Yb-Doped Fibers. Journal of Lightwave Technology, 33 (17). pp. 3533-3541. ISSN 0733-8724

Hooda, Babita and Pal, Atasi and Rastogi, Vipul and Sen, Ranjan and Gandhi, Jimit and Kobelke, Jens (2015) Segmented cladding fiber fabricated in silica-based glass. Optical Engineering, 54 (7). Article No-075103. ISSN 0091-3286

Mandal, Ashis Kumar and Sinha, Prasanta Kumar and Das, Dipankar and Guha, Chandan and Sen, Ranjan (2015) Higher Fe2+/total Fe ratio in iron doped phosphate glass melted by microwave heating. Materials Research Bulletin, 63. pp. 141-146. ISSN 0025-5408

Saha, Maitreyee and Pal, Atasi and Pal, Mrinmay and Sen, Ranjan (2015) Influence of aluminum on doping of ytterbium in optical fiber synthesized by vapor phase technique. Optics Communication, 334. pp. 90-93. ISSN 0030-4018

Mandal, Ashis Kumar and Sen, S and Mandal, S and Guha, C and Sen, Ranjan (2015) Energy Efficient Melting of Glass for Nuclear Waste Immobilization Using Microwave Radiation. International Journal of Green, 12 (12). pp. 1280-1287. ISSN 1543-5075

Pal, Mrinmay and Das Chowdhury, Sourav and Shekhar, Nishant K and Sen, Ranjan (2015) Experimental study of backscattering pulses and broadband generation in a Q-switched MOPA. In: FIBER LASERS XII: TECHNOLOGY, SYSTEMS, AND APPLICATIONS, FEB 09-12, 2015, San Francisco, CA.

Mandal, Ashis Kumar and Balaji, S and Sen, Ranjan (2014) Microwave and conventional preparation of Zinc borate glass: Eu3+ ion as luminescent probe. Journal of Alloys and Compounds, 615. pp. 283-289. ISSN 0925-8388

Das Chowdhury, Sourav and Shekhar, Nishant and Saha, Maitreyee and Sen, Ranjan and Pal, Mrinmay (2014) Broadband Generation by Multiple Four-Wave Mixing Process Due To ASE Q-Switching In High-Power Double-Clad Ytterbium-Doped Fiber Amplifier. In: HIGH-POWER LASERS AND APPLICATIONS VII, OCT 09-11, 2014, Beijing, Peoples Republic of China.

Sen, Ranjan and Saha, M and Pal, A and Pal, Mrinmay and Leich, M and Kobelke, J (2014) High power laser fiber fabricated through vapor phase doping of Ytterbium. Laser Physics Letters, 11 (8). Article No.-085105. ISSN 1612-202X

Gupta, Gaurav and Sontakke, Atul D and Karmakar, P and Biswas, Kaushik and Balaji, S and Saha, R and Sen, Ranjan and Annapurna, K (2014) Influence of bismuth on structural, elastic and spectroscopic properties of Nd3+ doped Zinc-Boro-Bismuthate glasses. Journal of Luminescence, 149. pp. 163-169. ISSN 0022-2313

Dhar, Anirban and Das, Shyamal and Paul, Mukul Chandra and Pal, Atasi and Sen, Ranjan (2014) Study of incorporation efficiency of different precursor salts in fabrication of rare-earth doped optical fibers. Physica Status Solidi A-Applications and Materials Science, 211 (4). pp. 828-834. ISSN 1862-6300

Kulkarni, A P and Jain, S and Kamath, M P and Joshi, A S and Naik, P A and Gupta, P D and Annapurna, K and Mandal, Ashis Kumar and Karmakar, Basudeb and Sen, Ranjan (2014) Measurement of the figure of merit of indigenously developed Nd-doped phosphate laser glass rods for use in high power lasers. Pramana - Journal of Physics, 82 (1, SI). pp. 159-163. ISSN 0304-4289

Saha, Maitreyee and Pal, Atasi and Sen, Ranjan (2014) Vapor Phase Doping of Rare-Earth in Optical Fibers for High Power Laser. IEEE PHOTONICS TECHNOLOGY LETTERS, 26 (1). pp. 58-61. ISSN 1041-1135

Ghosh, Aditi and Das Chowdhury, Sourav and Sen, Ranjan and Pal, Atasi (2014) All-fiber tunable ring laser near 2 micron. In: 12th International Conference on Fiber Optics and Photonics, 13–16 December 2014, Kharagpur, India.

Chinya, Ipsita and Khatua, Chandra and Das, Shyamal and Sen, Ranjan and Dhar, Anirban (2014) Development of Polyaniline-Poly(methylmethacrylate) Blend Coated Optical Fiber RI Sensor for Ammonia Detection. In: 12th International Conference on Fiber Optics and Photonics 2014, 13–16 December 2014, Kharagpur India.

Chinya, Ipsita and Khatua, Chandra and Das, Shyamal and Sen, Ranjan and Dhar, Anirban (2014) Development of Polyaniline-Poly(methylmethacrylate) Blend Coated Optical Fiber RI Sensor for Ammonia Detection. In: 12th International Conference on Fiber Optics and Photonics 2014, 13-16 December 2014, Kharagpur, India.

Dhar, Anirban and Pal, Atasi and Sen, Ranjan (2014) Development of pure silica core F-down-doped clad optical fiber for communication in radiation environment. In: Specialty Optical Fibers, SOF 2014, 27 - 31 July 2014, Barcelona; Spain.

Ghosh, Aditi and Pal, Debasis and Sen, Ranjan and Pal, Atasi (2014) Fiber Laser at 2 mu m for Soft Tissue Surgery. In: HIGH-POWER LASERS AND APPLICATIONS VII. Proceedings of SPIE, 9266 (9266). SPIE, Beijing, Article No.-92660E. ISBN 978-1-62841-339-7

Ams, M and Pal, Atasi and Williams, R J and Sen, Ranjan and Withford, M J and Sun, T and Grattan, K T V (2014) Fibre Bragg grating sensors for radiation insensitive measurements. In: 9th OptoElectronics and Communications Conference, OECC 2014 and the 39th Australian Conference on Optical Fibre Technology, ACOFT 2014, 6-10 July 2014, Melbourne, Australia.

Saha, Maitreyee and Pal, Atasi and Pal, Mrinmay and Leich, Martin and Kobelke, Jens and Sen, Ranjan (2014) Highly Efficient Yb-doped Laser Fiber Synthesized by Vapor-phase Doping Technique. In: JSAP-OSA Joint Symposia 2014 Abstracts, 17–20 September 2014, Sapporo, Hokkaido, Japan.

Shekhar, Nishant Kumar and Das Chowdhury, Sourav and Sen, Ranjan and Pal, Mrinmay (2014) Numerical and experimental study of multi-peaked and trimmed pulses in an actively Q-switched fiber laser. In: International Conference on Fibre Optics and Photonics, 2014, 13 - 16 December 2014, Kharagpur; India.

Ams, Martin and Pal, Atasi and Sen, Ranjan and Withford, Michael J and Sun, Tong and Grattan, Kenneth T V (2014) Optical Bragg Grating Sensors for Nuclear Environments. In: Optical Instrumentation for Energy and Environmental Applications 2014, 2–5 December 2014, Canberra Australia.

Das Chowdhury, Sourav and Shekhar, Nishant Kumar and Saha, Maitreyee and Sen, Ranjan and Pal, Mrinmay (2014) Spatial, Spectral and Temporal Study of Self-pulsing in CW Yb-Fiber Laser due to Saturable Absorption Effect. In: 12th International Conference on Fiber Optics and Photonics 2914, 13–16 December 2014, Kharagpur, India.

Ghosh, Aditi and Sen, Ranjan and Pal, Atasi (2013) All-fiber thulium-doped fiber ring laser with in-band pumping. In: Workshop on Recent Advances in Photonics (WRAP), 2013 , 17-18 December 2013, New Delhi; India.

Pal, Atasi and Dhar, Anirban and Sen, Ranjan and Ams, M and Sun, T and Grattan, K T V (2013) Radiation resistant optical fiber for FBG based sensing. In: Workshop on Recent Advances in Photonics (WRAP), 2013, 17-18 December 2013, New Delhi, India.

Biswas, Kaushik and Sontakke, Atul D and Sen, Ranjan and Annapurna, K (2013) Enhanced 2 mu m broad-band emission and NIR to visible frequency up-conversion from Ho3+/Yb3+ co-doped Bi2O3-GeO2-ZnO glasses. Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 112. pp. 301-308. ISSN 1386-1425

Pal, Atasi and Chen, Shu Ying and Sen, Ranjan and Sun, Tong and Grattan, K T V (2013) A high-Q low threshold thulium-doped silica microsphere laser in the 2 mu m wavelength region designed for gas sensing applications. Laser Physics Letters, 10 (8). Article No. ISSN 1612-202X

Mandal, Ashis Kumar and Biswas, Kaushik and Annapurna, K and Guha, Chandan and Sen, Ranjan (2013) Preparation of alumino-phosphate glass by microwave radiation. Journal of Materials Research, 28 (14). pp. 1955-1961. ISSN 0884-2914

Mandal, Ashis Kumar and Agrawal, Dinesh and Sen, Ranjan (2013) Preparation of homogeneous barium borosilicate glass using microwave energy. Journal of Non-Crystalline Solids, 371. pp. 41-46. ISSN 0022-3093

Bremer, K and Pal, A and Yao, S and Lewis, E and Sen, Ranjan and Sun, T and Grattan, K T V (2013) Sensitive detection of CO2 implementing tunable thulium-doped all-fiber laser. Applied Optics, 52 (17). pp. 3957-3963. ISSN 0003-6935

Pal, Atasi and Dhar, Anirban and Ghosh, Anindya and Saha, Abhijit and Bhowmick, Goutam Kumar and Sen, Ranjan (2013) Design and development of radiation resistant optical fiber for UV-Vis-NIR region. In: Workshop on Specialty Optical Fibers and their Applications, WSOF 2013, 28-30 August 2013, Sigtuna; Sweden.

Pal, Atasi and Saha, Maitreyee and Dhar, Anirban and Sen, Ranjan (2013) H2-blocking in Yb-doped fiber through pump excitation to enhance photodarkening resistivity. In: Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, 12-16 May, 2013, Munich; Germany.

Saha, Maitreyee and Pal, Atasi and Pal, Mrinmay and Sen, Ranjan (2013) Large core Yb-doped optical fiber through vapor phase doping technique. In: Micro-Structured And Specialty Optical Fibres II , Apr 15-17, 2013, Prague, Czech Republic.

Sen, Ranjan and Saha, Maitreyee and Pal, Atasi and Pal, Mrinmay (2013) Vapor-phase doping of ytterbium in high power laser fiber. In: Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, 12-16 May, 2013, Munich; Germany.

Pal, Atasi and Sen, Ranjan and Bremer, Kort and Yao, Shuang and Lewis, Elfed and Sun, Tong and Grattan, Kenneth T V (2012) ``All-fiber'' tunable laser in the 2 mu m region, designed for CO2 detection. Applied Optics, 51 (29). pp. 7011-7015. ISSN 0003-6935

Biswas, Kaushik and Sontakke, Atul D and Sen, Ranjan and Annapurna, K (2012) Luminescence Properties of Dual Valence Eu Doped Nano-crystalline BaF2 Embedded Glass-ceramics and Observation of Eu2+ -> Eu3+ Energy Transfer. Journal of Fluorescence, 22 (2). pp. 745-752. ISSN 1053-0509

Biswas, Kaushik and Sontakke, Atul D and Sen, Ranjan and Annapurna, K (2012) Luminescence properties of dual valence Eu doped nano-crystalline BaF2 embedded glass-ceramics and observation of Eu2+ -> Eu3+ energy transfer. Journal of Fluorescence, 22 (2). pp. 745-752. ISSN 1053-0509

Sen, Ranjan and Pal, Atasi (2012) Rare Earth Doped Fibers for Fiber Laser: Opportunities and Challenges. In: International Conference on Fibre Optics and Photonics 2012, 9–12 December, 2012, Chennai, India.

Saha, Maitreyee and Pal, Atasi and Sen, Ranjan (2012) Vapor Phase Chelate Delivery Technique for Fabrication of Rare Earth Doped Optical Fiber. In: International Conference on Fibre Optics and Photonics 2012, 9–12 December, 2012, Chennai, India.

Dhar, Anirban and Pal, A and Das, Shyamal and Sen, Ranjan (2012) A new codopant for rare earth doped optical fiber. In: International Conference on Fiber Optics and Photonics, PHOTONICS 2012, 9-12 December 2012, Chennai, Tamil Nadu; India.

Chakravarty, Ritaban and Pal, Atasi and Velmurugan, V and Sen, Ranjan (2011) Role of charge transfer transition mechanism behind photodarkening in Yb doped silica fibers. In: International Conference on Light Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011, 23 - 25 May, 2011, Calicut, Kerala.

Balaji, Sathravada and Sontakke, Atul D and Sen, Ranjan and Annapurna, K (2011) Efficient ~2.0 μm emission from Ho3+ doped tellurite glass sensitized by Yb3+ ions: Judd-Ofelt analysis and energy transfer mechanism. Optical Materials Express, 1 (2). pp. 138-150. ISSN 2159-3930

Das, S and Pal, A and Paul, Mukul Chandra and Sen, Ranjan (2011) Fabrication of large flattened mode optical fiber for high power laser. Proceedings of SPIE , 8173. Article Number: -81730B. ISSN 0277-786X

Pal, Atasi and Chen, Shu Ying and Das, Shyamal and Bhattacharya, Archi and Sun, T and Sen, Ranjan and Grattan, K T V (2011) Low threshold fiber taper coupled silica microsphere laser in the 2 mue m wavelength region. In: Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, 2011, 22 - 26 May, 2011, Munich, Germany.

Bhattacharya, Archi and Pal, Atasi and Bhowmick, Goutam Kumar and Saha, Abhijit and Dasgupta, Kamal and Sen, Ranjan (2011) Radiation resistant optical fiber for visible region. In: Passive Components and Fiber-Based Devices VIII, Nov 14-16, 2011, Shanghai, Peoples R China.

Pal, Mrinmay and Paul, Mukul Chandra and Das, Shyamal and Sen, Ranjan and Bhadra, Shyamal Kumar (2011) Study of optical gain and noise characteristics in novel zirconia codoped erbium fibres. In: 2011 Asia Communications and Photonics Conference and Exhibition, ACP 2011I, 14-16 Nov, 2011, Shanghai, Peoples R of China .

Sontakke, Atul D and Biswas, Kaushik and Sen, Ranjan and Annapurna, K (2010) Efficient non-resonant energy transfer in Nd(3+)-Yb(3+) codoped Ba-Al-metaphosphate glasses. Journal of the Optical Society of America B-Opticcal Physics, 27 (12). pp. 2750-2758. ISSN 0740-3224

Sontakke, Atul D and Biswas, Kaushik and Sen, Ranjan and Annapurna, K (2010) Efficient non-resonant energy transfer in Nd3+ - Yb3+ codoped Ba-Al-metaphosphate glasses. Journal of the Optical Society of America B-Opticcal Physics, 27 (12). pp. 2750-2758. ISSN 0740-3224 (Submitted)

Pal, Atasi and Dhar, Anirban and Das, Shyamal and Annapurna, K and Schwuchow, Anka and Sun, Tong and Grattan, Kenneth T V and Sen, Ranjan (2010) Energy-transfer parameters in a Tm/Yb doped single mode silica fiber. Journal of the Optical Society of America B-Opticcal Physics, 27 (12). pp. 2714-2720. ISSN 0740-3224

Hamzah, A and Paul, Mukul Chandra and Harun, S W and Huri, N A D and Lokman, A and Sen, Ranjan and Pal, Mrinmay and Das, S and Bhadra, Shyamal Kumar and Ahmad, H (2010) Dual-wavelength Erbium-doped fiber laser based on Erbium-doped Zirconia fiber. Optoelectronics and Advanced Materials-Rapid Communications, 4 (8). pp. 1099-1101. ISSN 1842-6573

Dhar, Anirban and Das, Shyamal and Maiti, Himadri Sekhar and Sen, Ranjan (2010) Fabrication of high aluminium containing rare-earth doped fiber without core-clad interface defects. OPTICS COMMUNICATIONS, 283 (11). pp. 2344-2349. ISSN 0030-4018

Harun, S W and Paul, Mukul Chandra and Moghaddam, M. R. A. and Dasgupta, S and Sen, Ranjan and Dhar, A and Pal, Mrinmay and Bhadra, Shyamal Kumar and Ahmad, H (2010) Diode-pumped 1028 nm Ytterbium-doped fiber laser with near 90% slope efficiency. Laser Physics, 20 (3). pp. 656-660. ISSN 1054-660X

Paul, Mukul Chandra and Upadhyaya, B N and Das, S K and Dhar, Anirban and Pal, Mrinmay and Kher, S and Dasgupta, Kamal and Bhadra, Shyamal Kumar and Sen, Ranjan (2010) Study of the fabrication parameters of large core Yb(2)O(3) doped optical fibre through solution doping technique. Optics Communication, 283 (6). pp. 1039-1046. ISSN 0030-4018

Pal, Atasi and Dhar, Anirban and Das, Shyamal and Chen, Shu Ying and Sun, Tong and Sen, Ranjan and Grattan, Kenneth T V (2010) Ytterbium-sensitized Thulium-doped fiber laser in the near-IR with 980 nm pumping. Optics Express, 18 (5). pp. 5068-5074. ISSN 1094-4087

Moghaddam, M R A and Harun, S W and Paul, Mukul Chandra and Pal, Mrinmay and Dhar, Anirban and Sen, Ranjan and Das, S and Bhadra, Shyamal Kumar and Ahmad, H (2009) Multiwavelength ytterbium-doped fiber ring laser. Microwave and Optical Technology Letters, 51 (10). pp. 2511-2512. ISSN 0895-2477

Sahu, J K and Paul, Mukul Chandra and Kalita, M P and Boyland, A and Codemard, C and Yoo, S and Webb, A and Standish, R J and Nilsson, J and Das, S and Bhadra, Shyamal Kumar and Pal, Mrinmoy and Dhar, A and Sen, Ranjan (2009) Ytterbium doped nanostructured optical fibers for high power fiber lasers. In: The European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009, 14-19 June 2009, Munich; Germany.

Paul, Mukul Chandra and Harun, S W and Moghaddam, M R A and Das, S and Sen, Ranjan and Dhar, A and Pal, Mrinmay and Bhadra, Shyamal Kumar and Ahmad, H (2009) 1028 nm single mode Ytterbium-doped fiber laser. Laser Physics, 19 (5). pp. 1021-1025. ISSN 1054-660X

Paul, Mukul Chandra and Sen, Ranjan and Bhadra, Shyamal Kumar and Dasgupta, Kamal (2009) Radiation response behaviour of Al codoped germano-silicate SM fiber at high radiation dose. Optics Communication, 282 (5). pp. 872-878. ISSN 0030-4018

Chen, S Y and Sun, T and Grattan, K T V and Annapurna, K and Sen, Ranjan (2009) Characteristics of Er and Er–Yb–Cr doped phosphate microsphere fibre lasers. Optics Communications, 282 (18). pp. 3765-3769. ISSN 0030-4018

Chen, S Y and Sun, T and Grattan, K T V and Pal, Atasi and Sen, Ranjan and Sterner, C and Fonjallaz, P Y (2009) Characterization of Tm/Yb doped phosphate microsphere fibre lasers for potential sensor applications. In: 20th International Conference on Optical Fibre Sensors (OFS-20), 5-9 October, 2009, Edinburgh, Heriot-Watt University, UK.

Paul, Mukul Chandra and Bohra, D and Dhar, Anirban and Sen, Ranjan and Bhatnagar, P K and Dasgupta, Kamal (2009) Radiation response behavior of high phosphorous doped step-index multimode optical fibers under low dose gamma irradiation. Journal of Non-Crystalline Solids, 355 (28-30). pp. 1496-1507. ISSN 0022-3093

Sahu, J K and Paul, Mukul Chandra and Kalita, M P and Boyland, A and Codemard, C and Yoo, S and Webb, A and Standish, R J and Nilsson, J and Das, Shyamal and Bhadra, Shyamal Kumar and Pal, Mrinmay and Dhar, Anirban and Sen, Ranjan (2009) Ytterbium doped nanostructured optical fibers for high power fiber lasers. In: European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (CLEO/Europe - EQEC 2009 ), 14 - 19 June, 2009, Munich, Germany.

Dhar, Anirban and Pal, Atasi and Paul, Mukul Chandra and Ray, P and Maiti, Himadri Sekhar and Sen, Ranjan (2008) The mechanism of rare earth incorporation in solution doping process. Optics Express, 16 (17). pp. 12835-12846. ISSN 1094-4087

Harun, S W and Paul, Mukul Chandra and Pal, Mrinmay and Dhar, A and Sen, Ranjan and Das, Shyamal and Bhadra, Shyamal Kumar and Shahabuddin, N S and Ahmad, H (2008) An efficient and flat-gain erbium-doped fiber amplifier in the region of 1550 nm to 1590 nm. Optoelectronics and Advanced Materials-Rapid Ccommunications, 2 (8). pp. 455-458. ISSN 1842-6573

Paul, Mukul Chandra and Sen, Ranjan and Bhadra, Shyamal Kumar and Dasgupta, Kamal (2008) Chemistry of titanium incorporation in silica glass of optical preform for making of Ti doped optical fibre by the MCVD process. Optical Materials , 30 (10). pp. 1538-1548. ISSN 0925-3467

Pal, Mrinmay and Bandyopadhyay, Somnath and Biswas, Palas and Deb Roy, Rimlee and Paul, Mukul Chandra and Sen, Ranjan and Dasgupta, Kamal and Bhadra, Shyamal Kumar (2007) Study of gain flatness for multi-channel amplification in single stage EDFA for WDM applications. Optical and Quantum Electronics, 39 (14). pp. 1231-1243. ISSN 0306-8919

Dhar, A and Paul, Mukul Chandra and Pal, M and Bhadra, Shyamal Kumar and Maiti, Himadri Sekhar and Sen, Ranjan (2007) An improved method of controlling rare earth incorporation in optical fiber. Optics Communications, 277 (2). pp. 329-334. ISSN 0030-4018

Pal, Mrinmay and Paul, Mukul Chandra and Dhar, A and Pal, A and Sen, Ranjan and Dasgupta, Kamal and Bhadra, Shyamal Kumar (2007) Investigation of the optical gain and noise figure for multi-channel amplification in EDFA under optimized pump condition. Optics Communication, 273 (2). pp. 407-412. ISSN 0030-4018

Paul, Mukul Chandra and Sen, Ranjan and Bhadra, Shyamal Kumar and Pal, Mrinmay and Giri, P P and Dasgupta, Kamal and Bandyopadhyay, Tarun Kumar and Bohra, D and Bhatnagar, P K (2007) Gamma ray radiation induced absorption in Ti doped single mode optical fibres at low dose levels. Optical Materials , 29 (6). pp. 738-745. ISSN 0925-3467

Sen, Ranjan and Caspary, R and Kowalsky, W (2007) Optimisation of melting and casting conditions for Zr-fluoride based glasses. Optical Materials , 29 (8). pp. 1035-1040. ISSN 0925-3467

Dhar, Anirban and Paul, Mukul Chandra and Pal, Mrinmay and Mandal, Ashok Kumar and Sen, Suchitra and Maiti, Himadri Sekhar and Sen, Ranjan (2006) Characterization of porous core layer for controlling rare earth incorporation in optical fiber. Optics Express, 14 (20). 9006 -9015. ISSN 1094-4087

Sen, Ranjan (2006) Studies on Correlation for Liquid-Liquid Equilibria Prediction. PhD thesis, Jadavpur University.

Pal, Mrinmay and Sen, Ranjan and Paul, Mukul Chandra and Bhadra, Shyamal Kumar and Chatterjee, S and Ghosal, D and Dasgupta, Kamal (2005) Investigation of the deposition of porous layers by the MCVD method for the preparation of rare-earth doped cores of optical fibres. Optics Communications, 254 (1-3). pp. 88-95. ISSN 0030-4018

Bhadra, Shyamal Kumar and Paul, Mukul Chandra and Bandyopadhyay, Somnath and Pal, Mrinmay and Gangopadhyay, Tarun Kumar and Sen, Ranjan and Dasgupta, Kamal and Maiti, Himadri Sekhar (2005) Optical fibre: science, technology and evolution. Science and Culture, 71 (5-6). pp. 116-130. ISSN 0036-8156

Sen, Ranjan and Paul, Mukul Chandra and Pal, Mrinmay and Dhar, A and Bhadra, Shyamal Kumar and Dasgupta, Kamal (2004) Erbium doped optical fibres - fabrication technology. Journal of Optics (India), 33 (4). pp. 257-275. ISSN 0970-0374

Bhadra, Shyamal Kumar and Sen, Ranjan and Pal, Mrinmoy and Paul, Mukul Chandra and Naskar, Milan Kanti and Chatterjee, S and Chatterjee, Minati and Dasgupta, Kamal (2003) Development of rare-earth doped fibres for amplifiers in WDM systems. IEE Proceedings-Circuits Devices and Systems, 150 (6). pp. 480-485. ISSN 1350-2409

Paul, Mukul Chandra and Sen, Ranjan and Bandyopadhyay, Tarun Kumar (1999) Role of helium in fluorine incorporation for control of preform entry taper. Glass Technology, 40 (4). pp. 127-132. ISSN 0017-1050

Sen, Ranjan and Paul, Mukul Chandra and Bhadra, Shyamal Kumar and Dasgupta, Kamal and Bandyopadhyay, Tarun Kumar (1999) Effects of minor additives on the radiation response behaviour of high silica glass single mode fibres. In: Selected Papers From Photonics India '98 , Dec 14-18, 1998 , New Delhi, India .

Paul, Mukul Chandra and Sen, Ranjan and Bandyopadhyay, Tarun Kumar (1997) Fluorine incorporation in silica glass by MCVD process - A critical study. Journal of Materials Science, 32 (13). pp. 3511-3516. ISSN 0022-2461

Sen, Ranjan and Bandyopadhyay, Tarun Kumar and Bhadra, Shyamal Kumar and Dasgupta, Kamal and Saha, Prasenjit (1994) Behaviour of optical fibre under steady state radiation. CGCRI Bulletin, 41 (1-2). pp. 1-4. ISSN 0008-9397

Bhadra, Shyamal Kumar and Bandyopadhyay, Tarun Kumar and Sen, Ranjan and Dasgupta, Kamal and Saha, Prasenjit (1993) Effect of drawing temperature on tensile-strength distribution in fused-silica fibers. Indian Journal of Pure & Applied Physics, 31 (2). pp. 119-122. ISSN 0019-5596

Bandyopadhyay, Tarun Kumar and Sen, Ranjan and Bhadra, Shyamal Kumar and Dasgupta, Kamal and Saha, Prasenjit (1988) Fabrication of multimode optical fibres for telecommunication. Transactions of the Indian Ceramic Society, 47 (5). pp. 1290-140. ISSN 0371-750X