Share Email Print
cover

Proceedings Paper

Cryogenic test of an all-aluminum infrared optical system
Author(s): Mangzuo Shen; Xiangdi Lin; Wenli Ma; Sheng Liao; Xiaohong Zhang
Format Member Price Non-Member Price
PDF $17.00 $21.00

Paper Abstract

An all aluminum reflective optical system was tested to evaluate its optical performances at near liquid nitrogen temperature. A special cryogenic dewar was designed and fabricated with an optical window made of quartz glass on the front wall of the dewar. The optical system under test and a reference plane mirror, which were mounted into the dewar and cooled by liquid nitrogen, formed a double pass interferometric test schema together with a He-Ne interferometer of Fizeau type outside the dewar. The test results showed that there was little differences between the wavefront errors before and after the optical system is cooled, and in both cases the optical system had a diffraction limited imaging quality.

Paper Details

Date Published: 14 October 1996
PDF: 5 pages
Proc. SPIE 2814, Cryogenic Optical Systems and Instruments VII, (14 October 1996); doi: 10.1117/12.254154
Show Author Affiliations
Mangzuo Shen, Institute of Optics and Electronics (China)
Xiangdi Lin, Institute of Optics and Electronics (China)
Wenli Ma, Institute of Optics and Electronics (China)
Sheng Liao, Institute of Optics and Electronics (China)
Xiaohong Zhang, Institute of Optics and Electronics (China)


Published in SPIE Proceedings Vol. 2814:
Cryogenic Optical Systems and Instruments VII
Lawrence G. Burriesci; James B. Heaney, Editor(s)

© SPIE. Terms of Use
Back to Top