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Proceedings Paper

Collimation Of Diode Laser Arrays Using Etched Cylindrical Computer-Generated Holographic Lenses
Author(s): J. Michael Finlan; Kevin M. Flood
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Paper Abstract

This paper describes the fabrication of computer-generated holographic lenses in fused silica; the lenses are designed to collimate the output beams of diode lasers. The lenses are cylindrical to collimate the beams in one direction at a time and to maximize the fill factor in the laser array. The lens patterns were written into resist on the substrate using an electron beam. The lenses were transferred to the fused silica substrate via reactive ion etching. Two layers of etching were demonstrated.

Paper Details

Date Published: 6 May 1989
PDF: 5 pages
Proc. SPIE 1052, Holographic Optics: Optically and Computer Generated, (6 May 1989); doi: 10.1117/12.951504
Show Author Affiliations
J. Michael Finlan, GE Astro-Space Division (United States)
Kevin M. Flood, GE Astro-Space Division (United States)

Published in SPIE Proceedings Vol. 1052:
Holographic Optics: Optically and Computer Generated
Ivan Cindrich; Sing H. Lee, Editor(s)

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