Diffraction limited integral field spectrographs for large telescopes

James E. Larkin

doi:10.1117/12.2063343

25 September 2014 Diffraction limited integral field spectrographs for large telescopes

James E. Larkin

Proceedings Volume 9192, Current Developments in Lens Design and Optical Engineering XV; 91920C (2014) https://doi.org/10.1117/12.2063343
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

As telescopes become larger and adaptive optics systems become more capable, integral field spectrographs offer a range of advantages over traditional cameras and spectrographs for many applications. I’ll specifically discuss the design and benefits of lenslet-based integral field spectrographs with examples from the OSIRIS instrument at Keck, the Gemini Planet Imager IFS and the IRIS instrument for the planned Thirty Meter Telescope. All three of these spectrographs are fully cryogenic with minimal wavefront error, high throughput and relatively large fields of view (in terms of the number of spatial elements).

Citation Download Citation

James E. Larkin "Diffraction limited integral field spectrographs for large telescopes", Proc. SPIE 9192, Current Developments in Lens Design and Optical Engineering XV, 91920C (25 September 2014); https://doi.org/10.1117/12.2063343

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