A high-sensitivity near-infrared science combiner for MROI

Fabien Baron; Erica Block; David F. Buscher; Julien Coyne; Michelle J. Creech-Eakman; Christopher A. Haniff; Colby A. Jurgenson; John S. Young

doi:10.1117/12.789234

28 July 2008 A high-sensitivity near-infrared science combiner for MROI

Fabien Baron, Erica Block, David F. Buscher, Julien Coyne, Michelle J. Creech-Eakman, Christopher A. Haniff, Colby A. Jurgenson, John S. Young

Author Affiliations +

Proceedings Volume 7013, Optical and Infrared Interferometry; 701325 (2008) https://doi.org/10.1117/12.789234
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

We report on the design and performance of a 6-way multi-wavelength beam combining instrument for the MRO Interferometer, allowing for fringe measurements at any of the J/H/K near-infrared bands at switchable spectral resolution with high sensitivity. Three preliminary designs for the instrument are presented and compared. The results of an ongoing evaluation performed on the performance, costs, and risks of each designs are analysed. Signal-to-noise analyses confirm in particular the utility of one of the design at magnitudes as faint as K=13.

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Fabien Baron, Erica Block, David F. Buscher, Julien Coyne, Michelle J. Creech-Eakman, Christopher A. Haniff, Colby A. Jurgenson, and John S. Young "A high-sensitivity near-infrared science combiner for MROI", Proc. SPIE 7013, Optical and Infrared Interferometry, 701325 (28 July 2008); https://doi.org/10.1117/12.789234

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