Near-infrared direct vision prism for wide-wavelength coverage spectroscopy at the Subaru Telescope

Naruhisa Takato; Hiroshi Terada

doi:10.1117/12.669633

29 June 2006 Near-infrared direct vision prism for wide-wavelength coverage spectroscopy at the Subaru Telescope

Naruhisa Takato, Hiroshi Terada

Proceedings Volume 6269, Ground-based and Airborne Instrumentation for Astronomy; 626923 (2006) https://doi.org/10.1117/12.669633
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

We have developed a low spectral resolution prism unit for the IRCS at the Subaru Telescope, which covers the wavelength range from 2 μm to 4 μm simultaneously. As the prism has high throughput compared to grism, it is an efficient observing mode for 3-μm water ice band and rapidly time varying objects such as asteroid. We report preliminary results of the performance verifications of the prism unit.

Citation Download Citation

Naruhisa Takato and Hiroshi Terada "Near-infrared direct vision prism for wide-wavelength coverage spectroscopy at the Subaru Telescope", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626923 (29 June 2006); https://doi.org/10.1117/12.669633

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