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Proceedings Paper

Far Infrared Non Astigmatic Czerny-Turner Monochromator For Stressed Ge:Ga Photoconductor Experiments
Author(s): N. Hiromoto; H. Takami; T. Itabe; H. Okuda; H. Matsuhara; H. Shibai; T. Nakagawa
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Paper Abstract

A far infrared monochromator of Czerny-Turner type has been devised which has an output optical system comprising two small spherical mirrors to obtain non-astigmatic image. The far infrared monochromator covers both 50-120 um and 100-240 um wavelengths ranges and can be used to measure spectral response of stressed Ge:Ga photoconductors having response up to 200 um, which we have fabricated to apply them to far infrared astronomical observations by balloons and by sattelites. Experimental performance of the stressed Ge:Ga photoconductors under low photon fluxes conditions also will be given.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978506
Show Author Affiliations
N. Hiromoto, National Astronomical Observatory of Japan (Japan)
H. Takami, Communications Research Laboratory (Japan)
T. Itabe, Communications Research Laboratory (Japan)
H. Okuda, Institute of Space and Astronautical Science (Japan)
H. Matsuhara, Institute of Space and Astronautical Science (Japan)
H. Shibai, Institute of Space and Astronautical Science (Japan)
T. Nakagawa, Institute of Space and Astronautical Science (Japan)


Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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