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Proceedings Paper

Adaptive optics fed single-mode spectrograph for high-precision Doppler measurements in the near-infrared
Author(s): C. Schwab; N. Jovanovic; T. Feger; M. Bakovic; Y. V. Gurevich; J. Stürmer; R. Apodaca; L. Vanzi; S. Rukdee; J. S. Lawrence; D. W. Coutts; N. Cvetojevic; S. Mahadevan; G. K. Stefánsson; S. P. Halverson; O. Guyon
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Paper Abstract

We present the design for a high resolution near-infrared spectrograph. It is fed by a single-mode fiber coupled to a high performance adaptive optics system, leading to an extremely stable instrument with high total efficiency. The optical design is a cross-dispersed Echelle spectrograph based on a white pupil layout. The instrument uses a R6 Echelle grating with 13.3 grooves per mm, enabling very high resolution with a small beam diameter. The optical design is diffraction limited to enable optimal performance; this leads to subtle differences compared to spectrographs with large input slits.

Paper Details

Date Published: 22 July 2016
PDF: 7 pages
Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 991274 (22 July 2016); doi: 10.1117/12.2234407
Show Author Affiliations
C. Schwab, Macquarie Univ. (Australia)
Australian Astronomical Observatory (Australia)
N. Jovanovic, Subaru Telescope, National Astronomical Observatory of Japan (United States)
T. Feger, Macquarie Univ. (Australia)
M. Bakovic, Macquarie Univ. (Australia)
Y. V. Gurevich, ZAH-Landessternwarte Heidelberg (Germany)
J. Stürmer, The Univ. of Chicago (United States)
R. Apodaca, Australian Astronomical Observatory (Australia)
Univ. Nacional Autónoma de México (Mexico)
L. Vanzi, Pontificia Univ. Católica de Chile (Chile)
S. Rukdee, Pontificia Univ. Católica de Chile (Chile)
J. S. Lawrence, Macquarie Univ. (Australia)
Australian Astronomical Observatory (Australia)
D. W. Coutts, Macquarie Univ. (Australia)
N. Cvetojevic, Australian Astronomical Observatory (Australia)
The Univ. of Sydney (Australia)
S. Mahadevan, The Pennsylvania State Univ. (United States)
G. K. Stefánsson, The Pennsylvania State Univ. (United States)
S. P. Halverson, The Pennsylvania State Univ. (United States)
O. Guyon, Subaru Telescope, National Astronomical Observatory of Japan (United States)


Published in SPIE Proceedings Vol. 9912:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II
Ramón Navarro; James H. Burge, Editor(s)

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