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Proceedings Paper

Multi-emitter laser multiplexer using a two-mirror beam shaper
Author(s): Joshua M. Cobb; John Brennan; Vikram Bhatia
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Paper Abstract

A system was designed and built to spatially multiplex four broad area laser diodes (BALD) and condense the light into a multi-mode fiber with a core diameter of 105 um and an NA of 0.15. The lasers were efficiently combined with an étendue aspect ratio scaler (EARS) optic. The EARS works under the principle of a two mirror beam shaper. We were able to successfully couple more than 87% of the optical energy into the fiber. The design of the optical system and the results of several built systems are discussed.

Paper Details

Date Published: 17 December 2014
PDF: 5 pages
Proc. SPIE 9293, International Optical Design Conference 2014, 92930C (17 December 2014); doi: 10.1117/12.2072628
Show Author Affiliations
Joshua M. Cobb, Corning, Incorporated (United States)
John Brennan, Corning, Incorporated (United States)
Vikram Bhatia, Corning, Incorporated (United States)


Published in SPIE Proceedings Vol. 9293:
International Optical Design Conference 2014
Mariana Figueiro; Scott Lerner; Julius Muschaweck; John Rogers, Editor(s)

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