Share Email Print
cover

Proceedings Paper

Large core Yb-doped optical fiber through vapor phase doping technique
Author(s): Maitreyee Saha; Atasi Pal; Mrinmay Pal; Ranjan Sen
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Rare earth (RE) doped optical fibers have shown tremendous progress for producing high power fiber lasers for industrial, medical and strategic applications. However, fabrication of large core, high Yb-doped fiber is still a challenge through conventional process due to poor repeatability and limitation regarding core size. This paper presents successful fabrication of Yb-doped fibers through vapor phase doping technique. Preform fabrication was carried out using a specially constructed MCVD system containing High Temperature Vapor Delivery Unit with sublimators for Al and Yb precursors. The novelty of the present work lies in deposition of Al2O3 and Yb2O3 in vapor phase simultaneously with silica during formation of sintered core layer which result in uniform dopants distribution in the preform. The fibers exhibited lasing efficiency of 76% with low ‘photodarkening effect’.

Paper Details

Date Published: 3 May 2013
PDF: 5 pages
Proc. SPIE 8775, Micro-structured and Specialty Optical Fibres II, 87750A (3 May 2013); doi: 10.1117/12.2017318
Show Author Affiliations
Maitreyee Saha, Central Glass and Ceramic Research Institute (India)
Atasi Pal, Central Glass and Ceramic Research Institute (India)
Mrinmay Pal, Central Glass and Ceramic Research Institute (India)
Ranjan Sen, Central Glass and Ceramic Research Institute (India)


Published in SPIE Proceedings Vol. 8775:
Micro-structured and Specialty Optical Fibres II
Kyriacos Kalli; Jiri Kanka; Alexis Mendez, Editor(s)

© SPIE. Terms of Use
Back to Top