The High-Resolution Infrared Spectrograph for Exoplanet Characterization (HISPEC) is a new instrument for the W. M. Keck Observatory that enables R~100,000 spectroscopy simultaneously across the y, J, H, and K astronomical bands (0.98-2.5μm). The Front-End Instrument (FEI) steers the adaptive optics corrected beam delivered by Keck to single-mode fibers used to route the light to the spectrographs. This paper shows the structural (static and dynamic scenarios) and thermal (cryogenic H2RG tracking camera) design of the Front-End Instrument (FEI).
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