Abstract

The percent polarization for the infrared radiation reflected from a germanium mirror has been measured to be greater than 99% from the near to far infrared wavelength regions. The intensity of the polarized beam was about 40% of that of the original unpolarized beam. The advantages of the germanium polarizer are the constant high degree of polarization over the wide wavelength region, the availability and ease of preparation of the mirror, ruggedness, and the polarizing properties which do not change with age or when exposed to intense radiation.

© 1959 Optical Society of America

Reflection of Infrared Radiation from a Germanium-Mercury Interface

N. J. Harrick
J. Opt. Soc. Am. 49(4) 376-379 (1959)

Pile-of-Plates Polarizers for the Infrared: Improvement in Analysis and Design

George R. Bird and W. A. Shurcliff
J. Opt. Soc. Am. 49(3) 235-237 (1959)

Polarizer for the Far-Infrared Region

Akiyoshi Mitsuishi, Yahiko yamada, Shigeru Fujita, and Hiroshi Yoshinaga
J. Opt. Soc. Am. 50(5) 433-436 (1960)

Doped Silicon and Germanium Photoconductors as Targets for Infrared Television Camera Tubes

R. W. Redington and P. J. van Heerden
J. Opt. Soc. Am. 49(10) 997-1001 (1959)

The Polarization of Infra-Red Radiation

A. Elliott, E. J. Ambrose, and R. Temple
J. Opt. Soc. Am. 38(2) 212-216 (1948)