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Proceedings Paper

New Near-Infrared Polarizer For Laser Applications
Author(s): Robert E. Slocum; Dmetro Andrychuk
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Paper Abstract

A new type broadband near-infrared polarizer was developed for use with near-infrared lasers and light sources. This polarizer utilizes evaporated metal thin films which can be deposited on transparent optical materials to form a sheet type polarizer. Polarizing filters with extinction ratio greater than 100:1 across the spectral band from 780 nm to 1550 nm are available as catalog items with clear apertures of 15 mm, 25 mm, 35 mm. Custom designed broadband polarizers for this spectral band can be fabricated with extinction ratios approaching 10,000:1. The sheet type polarizer material has an acceptance field of +30° about the normal to the polarizer surface.

Paper Details

Date Published: 20 April 1987
PDF: 6 pages
Proc. SPIE 0740, Laser Diode Optics, (20 April 1987); doi: 10.1117/12.939726
Show Author Affiliations
Robert E. Slocum, Polatomic, Inc. (United States)
Dmetro Andrychuk, Polatomic, Inc. (United States)

Published in SPIE Proceedings Vol. 0740:
Laser Diode Optics
David W. Kuntz, Editor(s)

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