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Proceedings Paper

A fiber injection unit for the Keck Planet Imager and Characterizer
Author(s): D. Mawet; J. R. Delorme; N. Jovanovic; J. K. Wallace; R. D. Bartos; P. L. Wizinowich; M. Fitzgerald; S. Lilley; G. Ruane; J. Wang; N. Klimovich; Y. Xin
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Paper Abstract

Coupling a high-contrast imaging instrument to a high-resolution spectrograph has the potential to enable the most detailed characterization of exoplanet atmospheres, including spin measurements and Doppler mapping. The high-contrast imaging system serves as a spatial filter to separate the light from the star and the planet while the high-resolution spectrograph acts as a spectral filter, which differentiates between features in the stellar and planetary spectra. The Keck Planet Imager and Characterizer (KPIC) located downstream from the current W. M. Keck II adaptive optics (AO) system will contain a fiber injection unit (FIU) combining a high-contrast imaging system and a fiber feed to Keck’s high resolution infrared spectrograph NIRSPEC. Resolved thermal emission from known young giant exoplanets will be injected into a single-mode fiber linked to NIRSPEC, thereby allowing the spectral characterization of their atmospheres. Moreover, the resolution of NIRSPEC (R = 37,500) is high enough to enable spin measurements and Doppler imaging of atmospheric weather phenomenon. The module will be integrated and tested at Caltech before being transferred to Keck in 2018.

Paper Details

Date Published: 1 September 2017
PDF: 6 pages
Proc. SPIE 10400, Techniques and Instrumentation for Detection of Exoplanets VIII, 1040029 (1 September 2017); doi: 10.1117/12.2274891
Show Author Affiliations
D. Mawet, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
J. R. Delorme, California Institute of Technology (United States)
N. Jovanovic, California Institute of Technology (United States)
J. K. Wallace, Jet Propulsion Lab. (United States)
R. D. Bartos, Jet Propulsion Lab. (United States)
P. L. Wizinowich, W. M. Keck Observatory (United States)
M. Fitzgerald, Univ. of California, Los Angeles (United States)
S. Lilley, W. M. Keck Observatory (United States)
G. Ruane, California Institute of Technology (United States)
J. Wang, California Institute of Technology (United States)
N. Klimovich, California Institute of Technology (United States)
Y. Xin, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 10400:
Techniques and Instrumentation for Detection of Exoplanets VIII
Stuart Shaklan, Editor(s)

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