High Performance Glass Polarizers For The Near Infrared

Mark Taylor

doi:10.1117/12.961458

21 December 1989 High Performance Glass Polarizers For The Near Infrared

Mark Taylor

Proceedings Volume 1128, Glasses for Optoelectronics; (1989) https://doi.org/10.1117/12.961458
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

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.

Citation Download Citation

Mark Taylor "High Performance Glass Polarizers For The Near Infrared", Proc. SPIE 1128, Glasses for Optoelectronics, (21 December 1989); https://doi.org/10.1117/12.961458

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