The first VisAO-fed integral field spectrograph: VisAO IFS

Katherine B Follette; Laird M. Close; Derek Kopon; Jared R. Males; Victor Gasho; Kevin M. Brutlag; Alan Uomoto

doi:10.1117/12.857516

15 July 2010 The first VisAO-fed integral field spectrograph: VisAO IFS

Katherine B Follette, Laird M. Close, Derek Kopon, Jared R. Males, Victor Gasho, Kevin M. Brutlag, Alan Uomoto

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77351P (2010) https://doi.org/10.1117/12.857516
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

We present the optomechanical design of the Magellan VisAO Integral Field Spectrograph (VisAO IFS), designed to take advantage of Magellan's AO system and its 85.1cm concave ellipsoidal Adaptive Secondary Mirror (ASM). With 585 actuators and an equal number of actively-controlled modes, this revolutionary second generation ASM will be the first to achieve moderate Strehl ratios into the visible wavelength regime. We have designed the VisAO IFS to be coupled to either Magellan's LDSS-3 spectrograph or to the planned facility M2FS fiber spectrograph and to optimize VisAO science. Designed for narrow field-of-view, high spatial resolution science, this lenslet-coupled fiberfed IFS will offer exciting opportunities for scientific advancement in a variety of fields, including protoplanetary disk morphology and chemistry, resolution and spectral classification of tight astrometric binaries, seasonal changes in the upper atmosphere of Titan, and a better understanding of the black hole M-sigma relation.

Citation Download Citation

Katherine B Follette, Laird M. Close, Derek Kopon, Jared R. Males, Victor Gasho, Kevin M. Brutlag, and Alan Uomoto "The first VisAO-fed integral field spectrograph: VisAO IFS", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77351P (15 July 2010); https://doi.org/10.1117/12.857516

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