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Using Holographic Optical Element for Reducing Aspect Ratio of Gaas Laser Beam

IP.com Disclosure Number: IPCOM000062249D
Original Publication Date: 1986-Oct-01
Included in the Prior Art Database: 2005-Mar-09

Publishing Venue

IBM

Related People

Authors:
Dickson, LD [+details]

Abstract

The output beam of a GaAs laser typically has an elliptical shape with an aspect ratio in a range of 2:1 to 4:1. For certain applications, a circular output beam (aspect ratio of 1:1) is desirable.