Yoo, S and Kalita, M P and Boyland, A J and Webb, A S and Standish, R J and Sahu, J K and Paul, Mukul Chandra and Das, S and Bhadra, Shyamal Kumar and Pal, Mrinmay (2010) Ytterbium-doped Y(2)O(3) nanoparticle silica optical fibers for high power fiber lasers with suppressed photodarkening. Optics Communication, 283 (18). pp. 3423-3427. ISSN 0030-4018

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We report efficient laser demonstration and spectroscopic characteristics of a Yb-doped Y(2)O(3) (or Y(3)Al(5)O(12)) nanoparticle silica fiber developed by conventional fiber fabrication technique. The spectroscopy study evidences modification in the environment of Yb ions by the Y(2)O(3) nanoparticles. As a result, photodarkening induced loss is reduced by 20 times relative to Yb-doped aluminosilicate fibers. The fiber is suitable for power scaling with good laser slope efficiency of 79%. (C) 2010 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Optical fiber; Fiber laser; Fiber material; Laser material; Fiber fabrication; Fiber characterization
Subjects: Processing Science
Divisions: Fiber Optics and Photonics
Depositing User: Bidhan Chaudhuri
Date Deposited: 16 Feb 2012 10:52
Last Modified: 26 Nov 2012 06:02
URI: http://cgcri.csircentral.net/id/eprint/937

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