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Method for obtaining a collimated near-unity aspect ratio output beam from a DFB-GSE laser with good beam quality.

Authors :
Liew SK
Carlson NW
Source :
Applied optics [Appl Opt] 1992 May 20; Vol. 31 (15), pp. 2743-6.
Publication Year :
1992

Abstract

A simple method for obtaining a collimated near-unity aspect ratio output beam from laser sources with extremely large (> 100:1) aspect ratios is demonstrated by using a distributed-feedback grating-surfaceemitting laser. Far-field power-in-the-bucket measurements of the laser indicate good beam quality with a high Strehl ratio.

Details

Language :
English
ISSN :
1559-128X
Volume :
31
Issue :
15
Database :
MEDLINE
Journal :
Applied optics
Publication Type :
Academic Journal
Accession number :
20725203
Full Text :
https://doi.org/10.1364/AO.31.002743