1 August 1983 Phase Retrieval By Optical Phase Differentiation
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A phase retrieval technique utilizing a differentiation filter in a coherent processing system has been developed and tested. The image irradiance produced in this system is quadratic in the partial derivative of object phase with respect to an object coordinate parallel to the transmittance gradient of the filter. Given a properly chosen set of such image irradiances it is possible to solve for the object phase.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John C. Bortz, Brian J. Thompson, "Phase Retrieval By Optical Phase Differentiation", Proc. SPIE 0351, Wavefront Sensing, (1 August 1983); doi: 10.1117/12.933914; https://doi.org/10.1117/12.933914

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