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Proceedings Paper

High Performance Glass Polarizers For The Near Infrared
Author(s): Mark Taylor
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Paper Abstract

Corning Glass Works has developed Polarcor, a high performance glass polarizer for the near infrared region of the spectrum. Products are available in custom and stock shapes covering the range 725 to 1700nm. Polarcor consists of a host glass containing elongated, submicroscopic silver crystals aligned along a common axis. These crystals preferentially absorb the polarization component of light aligned with the elongation axis of the particles. Polarcor polarizers are available in contrast ratios (k1 /k2) from 500 to 10,000, placing them in a performance class with birefringent crystal polarizers. Polarcor offers a broader bandwidth, higher transmittance, higher temperature resistance, better durability and increased contrast ratio when compared to plastic and wire grid polarizers. Acceptance angle, compactness (0.5-1mm thick) and cost are significantly better than cube polarizers. Applications include detectors, optical isolators, infrared sensors, fiber optic devices, and optical data storage devices.

Paper Details

Date Published: 21 December 1989
PDF: 4 pages
Proc. SPIE 1128, Glasses for Optoelectronics, (21 December 1989); doi: 10.1117/12.961458
Show Author Affiliations
Mark Taylor, Corning Glass Work (United States)


Published in SPIE Proceedings Vol. 1128:
Glasses for Optoelectronics

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