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

Blaise C. Kuo Tiong; Christian Schwab; Tobias Feger; Surangkhana Rukdee; Leonardo Vanzi; David W. Coutts

doi:10.1117/12.2309435

9 July 2018 Developing an ultra-stable single mode fiber spectrograph for adaptive optics assisted observation in the infrared

Blaise C. Kuo Tiong, Christian Schwab, Tobias Feger, Surangkhana Rukdee, Leonardo Vanzi, David W. Coutts

Author Affiliations +

Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 107025T (2018) https://doi.org/10.1117/12.2309435
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

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.

Citation Download Citation

Blaise C. Kuo Tiong, Christian Schwab, Tobias Feger, Surangkhana Rukdee, Leonardo Vanzi, and David W. Coutts "Developing an ultra-stable single mode fiber spectrograph for adaptive optics assisted observation in the infrared", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107025T (9 July 2018); https://doi.org/10.1117/12.2309435

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