Wire Grid Infrared Polarizer
- 1 August 1965
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 4 (8) , 1023-1026
- https://doi.org/10.1364/ao.4.001023
Abstract
A useful polarizer for the 6-μ to 20-μ region has been designed, fabricated, and tested. A microscopic wire grid was formed by ruling Irtran 2 (ZnS) or Irtran 4 (ZnSe) and evaporating aluminum preferentially on the groove tips. The average transmittance for the crossed polarizers in the 8-μ to 20-μ region was less than 1%. The degree of polarization was insensitive to a wide range of incidence angles. Data showing the spectral polarization efficiency as a function of wavelength are presented.Keywords
This publication has 2 references indexed in Scilit:
- Pyrolytic Graphite Transmission Polarizer for Infrared Radiation*Journal of the Optical Society of America, 1962
- The Wire Grid as a Near-Infrared PolarizerJournal of the Optical Society of America, 1960