Stray light correction algorithm for multi-spectral hyperspectral spectrographs
Michael Feinholz, Stephanie J. Flora, Steven W. Brown, Yuqin Zong, Keith R. Lykke, Mark A. Yarbrough, B. Carol Johnson, D. K. Clark
An algorithm is developed to correct a multi-channel fiber-coupled spectrograph for stray or scattered light within the system. The efficacy of the algorithm is evaluated based on a series of validation measurements of sources with different spectral distributions. This is the first application of a 2-dimensional scattered light correction algorithm to a multi-channel spectrograph. The algorithm, based on characterization measurements using a tunable laser system, can be extended to correct for finite point-spread response in imaging systems.
, Flora, S.
, Brown, S.
, Zong, Y.
, Lykke, K.
, Yarbrough, M.
, Johnson, B.
and Clark, D.
Stray light correction algorithm for multi-spectral hyperspectral spectrographs, Applied Optics
(Accessed June 3, 2023)