20 June 2000 New balloon-borne telescope for far-infrared astronomy
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We have developed the new balloon-borne telescope, Far Infrared Balloon-Borne Experiment (FIRBE), to survey the far-infrared radiations of star-forming regions. The primary mirror is an offset parabolid with a diameter of 50 cm (F/2) and telescope structure is made from Carbon Fiber Reinforced Plastics to lighten the whole telescope and hold the strain of image at the focal position minimum since its thermal contraction is very small. The telescope optics is off-axis system with on second mirror and no warm support structure in its optical path in order to reduce the infrared emission from the telescope structure itself.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Seiko Arimura, Hiroshi Shibai, Mitsunobu Kawada, Atsushi Ito, Makoto Tanaka, Shinya Hirooka, Yasuo Doi, Takao Nakagawa, Masanao Narita, Hidehiro Kaneda, Masahiro Tanaka, Takanao Tohya, Shin'ichiro Makiuti, Yoshihiko Okamura, Haruyuki Okuda, T. N. Rengarajan, "New balloon-borne telescope for far-infrared astronomy", Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); doi: 10.1117/12.389099; https://doi.org/10.1117/12.389099


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