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Proceedings Paper

Developing an ultra-stable single mode fiber spectrograph for adaptive optics assisted observation in the infrared
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Paper Abstract

Ever more precise radial velocity instruments are needed to observe potential earth-like exoplanet targets that are beyond the range of current generation high resolution echelle spectrographs. Meanwhile, extreme adaptive optics systems at 8 meter class facilities have made ground based observations possible at the diffraction limit. In the field of Doppler spectroscopy, one way to take advantage of these AO capabilities is by the development of ultra-stable single mode fiber fed spectrographs.1 Coupling the light efficiently into SMFs with an extreme adaptive optics system offers significant advantage in removing modal noise, reducing instrument size, enabling superior environmental control and curbing cost. We report the design and challenges in building an ultra-stable spectrograph for the near infrared range. The design wavelength range is 650 to 1500 nm.

Paper Details

Date Published: 9 July 2018
PDF: 7 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107025T (9 July 2018); doi: 10.1117/12.2309435
Show Author Affiliations
Blaise C. Kuo Tiong, Macquarie Univ. (Australia)
Christian Schwab, Macquarie Univ. (Australia)
Australian Astronomical Observatory (Australia)
Tobias Feger, Macquarie Univ. (Australia)
Surangkhana Rukdee, Ctr. of Astro Engineering UC AIUC (Chile)
Leonardo Vanzi, Ctr. of Astro Engineering UC AIUC (Chile)
David W. Coutts, Macquarie Univ. (Australia)


Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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