Need for a Large FIR/SMM Telescope and its Possible Design

Details Need for a Large FIR/SMM Telescope and its Possible Design Need for a Large FIR/SMM Telescope and its Possible Design

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000isass..14..225m&link_type=abstract

The Institute of Space and Astronautical Science Report SP No. 14, p. 225-232.

Physics

Optics

Far-Infrared, Submillimeter-Wave, Observational Cosmology, Large Aperture Telescope, Radiation Cooling, Superconducting Direct Detectors

Scientific paper

A large aperture far-infrared and submillimeter-wave (FIR/SMM) telescope plan is discussed, which would greatly increase observing sensitivities in the FIR/SMM region. A 10-m primary mirror could be installed in the HII rocket faring by simply folding them into three pieces. The design is based on a radiatively cooled offset primary mirror. The large aperture and low sidelobe design coupled with the cooled optics is suitable for low-background, high-sensitivity and high-angular resolution observations in the FIR/SMM. Development of a large format submillimeter-wave array using superconducting direct detector technique is also introduced. This type of detector will be suitable for large aperture FIR/SMM telescopes in space.

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