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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 19 — Jul. 1, 1998
  • pp: 4277–4283

Baffling and shielding system for a millimeter-wave balloonborne telescope

Massimo Gervasi, Paolo de Bernardis, Marco De Petris, Silvia Masi, and Giampaolo Pisano  »View Author Affiliations


Applied Optics, Vol. 37, Issue 19, pp. 4277-4283 (1998)
http://dx.doi.org/10.1364/AO.37.004277


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Abstract

We describe a balloonborne telescope devoted to millimeter observations of diffuse sky radiation and optimized with a custom set of baffles and shields. The basic idea of the shield design is to shape the surfaces as roof mirrors to redirect the stray radiation in the opposite direction of incidence. The baffles are used to stop radiation close to the field of view. In this way we are able to avoid most of the unwanted radiation. We successfully operated this telescope (ARGO) during two flights, in 1989 and 1993, while detecting the faint structures of the cosmic microwave background at degree scale.

© 1998 Optical Society of America

OCIS Codes
(110.6770) Imaging systems : Telescopes
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(350.1260) Other areas of optics : Astronomical optics
(350.4010) Other areas of optics : Microwaves

History
Original Manuscript: December 1, 1997
Revised Manuscript: January 26, 1998
Published: July 1, 1998

Citation
Massimo Gervasi, Paolo de Bernardis, Marco De Petris, Silvia Masi, and Giampaolo Pisano, "Baffling and shielding system for a millimeter-wave balloonborne telescope," Appl. Opt. 37, 4277-4283 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-19-4277

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