20 June 2000 New balloon-borne telescope for far-infrared astronomy
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Abstract
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.
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Seiko Arimura, Seiko Arimura, Hiroshi Shibai, Hiroshi Shibai, Mitsunobu Kawada, Mitsunobu Kawada, Atsushi Ito, Atsushi Ito, Makoto Tanaka, Makoto Tanaka, Shinya Hirooka, Shinya Hirooka, Yasuo Doi, Yasuo Doi, Takao Nakagawa, Takao Nakagawa, Masanao Narita, Masanao Narita, Hidehiro Kaneda, Hidehiro Kaneda, Masahiro Tanaka, Masahiro Tanaka, Takanao Tohya, Takanao Tohya, Shin'ichiro Makiuti, Shin'ichiro Makiuti, Yoshihiko Okamura, Yoshihiko Okamura, Haruyuki Okuda, Haruyuki Okuda, T. N. Rengarajan, 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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