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Spectrometer Baseline Control Via Spatial FilteringAn absorptive half-moon aperture mask is experimentally explored as a broad-bandwidth means of eliminating spurious spectral features arising from reprocessed radiation in an infrared Fourier transform spectrometer. In the presence of the spatial filter, an order of magnitude improvement in the fidelity of the spectrometer baseline is observed. The method is readily accommodated within the context of commonly employed instrument configurations and leads to a factor of two reduction in optical throughput. A detailed discussion of the underlying mechanism and limitations of the method are provided.
Document ID
20170002554
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Burleigh, M. R.
(Embry-Riddle Aeronautical Univ. Daytona Beach, FL, United States)
Richey, C. R.
(Arctic Slope Technical Services, Inc. Beltsville, MD, United States)
Rinehart, S. A.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Quijada, M. A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Wollack, E. J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
March 27, 2017
Publication Date
October 4, 2016
Publication Information
Publication: Applied Optics
Publisher: Applied Optics
Volume: 55
Issue: 29
ISSN: 1559-128X
e-ISSN: 2155-3165
Subject Category
Astrophysics
Optics
Report/Patent Number
GSFC-E-DAA-TN40536
Funding Number(s)
CONTRACT_GRANT: NNH09ZDA001N
Distribution Limits
Public
Copyright
Other

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