Conceptual design for an AIUC multi-purpose spectrograph camera using DMD technology

S. Rukdee; F. Bauer; H. Drass; L. Vanzi; A. Jordan; F. Barrientos

doi:10.1117/12.2251557

20 February 2017 Conceptual design for an AIUC multi-purpose spectrograph camera using DMD technology

S. Rukdee, F. Bauer, H. Drass, L. Vanzi, A. Jordan, F. Barrientos

Proceedings Volume 10117, Emerging Digital Micromirror Device Based Systems and Applications IX; 101170J (2017) https://doi.org/10.1117/12.2251557
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Current and upcoming massive astronomical surveys are expected to discover a torrent of objects, which need groundbased follow-up observations to characterize their nature. For transient objects in particular, rapid early and efficient spectroscopic identification is needed. In particular, a small-field Integral Field Unit (IFU) would mitigate traditional slit losses and acquisition time. To this end, we present the design of a Digital Micromirror Device (DMD) multi-purpose spectrograph camera capable of running in several modes: traditional longslit, small-field patrol IFU, multi-object and full-field IFU mode via Hadamard spectra reconstruction. AIUC Optical multi-purpose CAMera (AIUCOCAM) is a low-resolution spectrograph camera of R~1,600 covering the spectral range of 0.45-0.85 μm. We employ a VPH grating as a disperser, which is removable to allow an imaging mode. This spectrograph is envisioned for use on a 1-2 m class telescope in Chile to take advantage of good site conditions. We present design decisions and challenges for a costeffective robotized spectrograph. The resulting instrument is remarkably versatile, capable of addressing a wide range of scientific topics.

Citation Download Citation

S. Rukdee, F. Bauer, H. Drass, L. Vanzi, A. Jordan, and F. Barrientos "Conceptual design for an AIUC multi-purpose spectrograph camera using DMD technology", Proc. SPIE 10117, Emerging Digital Micromirror Device Based Systems and Applications IX, 101170J (20 February 2017); https://doi.org/10.1117/12.2251557

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KEYWORDS

Digital micromirror devices

Spectrographs

Telescopes

Cameras

Spectroscopes

Imaging systems

Astronomical imaging

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