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World Scientific Publishing, Journal of Astronomical Instrumentation, 04(07), p. 1840013, 2018

DOI: 10.1142/s2251171718400135

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EXES: The Echelon-cross-echelle Spectrograph for SOFIA

Journal article published in 2018 by M. J. Richter ORCID, C. N. DeWitt, M. McKelvey, E. Montiel, R. McMurray, M. E. Case
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The Echelon-cross-echelle spectrograph (EXES) is a high spectral resolution, mid-infrared spectrograph designed for and operated on the Stratospheric Observatory for Infrared Astronomy (SOFIA). EXES has multiple operational modes, but is optimized for high spectral resolution. The heart of the instrument is a one meter long, diamond-machined echelon grating. EXES also uses a 10242 Si:As detector optimized for low-background flux. We will discuss the design, operation and performance of EXES.

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