1 March 1994 System of reflective telescope baffles
Author Affiliations +
Abstract
The use of absorbing baffles for blocking scattered light in space-borne telescopes raises a major problem. The absorbed stray light becomes heat, which in the space environment cannot be dissipated by air convection. This is particularly important for those telescopes operating in the infrared, because the warm baffles will reradiate at those wavelengths. The conventional solution to this problem is the use of cryogenic cooling. We present here an alternative system of reflective baffles that reflect back out of the entrance aperture a preponderance of the stray light. Some criteria are also presented that will aid in the location and the distribution of the individual vanes.
Orestes Nicholas Stavroudis, Orestes Nicholas Stavroudis, Leslie D. Foo, Leslie D. Foo, } "System of reflective telescope baffles," Optical Engineering 33(3), (1 March 1994). https://doi.org/10.1117/12.159338 . Submission:
JOURNAL ARTICLE
6 PAGES


SHARE
RELATED CONTENT

Telescope stray light: early experience with SOFIA
Proceedings of SPIE (September 13 2016)
Reflective Baffle System With Multiple Bounces
Proceedings of SPIE (June 02 1987)
Imaging telescope-spectrometer for infrared sky surveys
Proceedings of SPIE (June 11 1995)
Space Infrared Telescope Facility telescope overview
Proceedings of SPIE (November 30 1991)
Alternative aperture stop position designs for SIRTF
Proceedings of SPIE (October 31 1990)

Back to Top