Warm infrared echelle spectrograph (WINERED): testing of optical components and performance evaluation of the optical system

Details Warm infrared echelle spectrograph (WINERED): testing of optical components and performance evaluation of the optical system Warm infrared echelle spectrograph (WINERED): testing of optical components and performance evaluation of the optical system

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7014e.102y&link_type=abstract

Ground-based and Airborne Instrumentation for Astronomy II. Edited by McLean, Ian S.; Casali, Mark M. Proceedings of the SPI

Astronomy and Astrophysics

Astronomy

Scientific paper

We are developing a new NIR high-resolution (Rmax = 100, 000) and high-sensitive spectrograph WINERED, specifically customized for short NIR bands at 0.9-1.35 μm. WINERED employs the following novel approaches in the optical system: portable design with a ZnSe immersion grating and warm optics without any cold stops. These concepts result in several essential advantages: easy to build, align, and maintain; these result in a short development time and low cost. WINERED is also equipped with a "normal echelle mode", which can cover the entire wavelength range simultaneously with R = 30, 000. In this poster paper, we will present the results of the detailed testing of optical components and the laboratory first light for the normal echelle mode. See Poster paper 7018-183 by Ikeda et al. in another session for the status of the development of the ZnSe immersion grating for R = 100, 000. We plan to complete the normal mode first by the end of 2008 and will install the immersion grating in 2010.

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