Optical EngineeringRecovery of Fabry-Pérot fringes from one-dimensional charge-coupled device images
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The use of a (CCD) with an interferometer, such as a Fabry-Pérot, poses some problems because of the circular symmetry with the interferometer and the rectangular arrangement of the CCD. Integrating the fringe pattern along a row or column results in a signature that can be inverted to recover the fringe. The methods of constrained linear inversion are used to significantly improve the quality of the inversion.