Journal
APPLIED OPTICS
Volume 58, Issue 9, Pages 2190-2197Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.58.002190
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Funding
- Chinese Government Graduate Student Overseas Study Program
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In this paper a method for correcting the radial distortion of interferograms generated by a spatial heterodyne spectrometer system is presented. Instead of utilizing calibration patterns, the distortion model parameters are estimated based on the distorted fringe features generated by projecting the straight interference stripes onto the detector. Comparisons between polynomial models and division models indicate that division models can deliver competitive performance on the reconstructed image with fewer parameters. Simulated interferograms based on ray-tracing are used to demonstrate the correction of errors in the spatial, phase, and spectral domain caused by optical distortion. (C) 2019 Optical Society of America
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