Status of the Integral Field Spectrograph for the Gemini Planet Imager

Details Status of the Integral Field Spectrograph for the Gemini Planet Imager Status of the Integral Field Spectrograph for the Gemini Planet Imager

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.4102c&link_type=abstract

American Astronomical Society, ESS meeting #2, #41.02

Computer Science

Performance

Scientific paper

We present the status of the construction, testing and characterization of the Integral Field Spectrograph (IFS) for the Gemini Planet Imager (GPI). GPI is a facility class instrument for the Gemini Observatory led by Bruce Macintosh at LLNL and involving eight institutions. The UCLA Infrared Lab is currently involved with the construction and testing of the IFS. The IFS design is similar to the OSIRIS instrument at Keck and utilizes an infrared transmissive lenslet array to sample a rectangular field of view. The IFS uses a Hawaii-2RG detector to produce a field of view greater than 2.8 x 2.8 arcseconds, with a spectral resolution in H band of R 45. A cryogenic Wollaston prism can be inserted into the reimaging optic path to produce two images of orthogonal polarization states. We present the most current results from in-lab system tests of performance and characterization.

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