The phase diversity and the phase retrieval

Xinxue Ma; Jianli Wang

doi:10.1117/12.2216343

5 November 2015 The phase diversity and the phase retrieval

Xinxue Ma, Jianli Wang

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 97951Y (2015) https://doi.org/10.1117/12.2216343
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

Measuring optical wave-fronts precisely is a difficult task because detectors directly sense intensity, not phase. The most common method of measuring the phase uses an interferometer that creates an intensity distribution from which the phase of the field can be determined more easily. In order to overcome the wave-front distortion caused by atmosphere turbulence and optical system aberration, the system of wave-front solutions based on the focal plane image information can be used in the optical system in-line detection. The realizations of phase solver technology mainly include phase diversity and phase retrieval. So, this paper mainly explains phase diversity and phase retrieval.

Citation Download Citation

Xinxue Ma and Jianli Wang "The phase diversity and the phase retrieval", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97951Y (5 November 2015); https://doi.org/10.1117/12.2216343

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KEYWORDS

Phase retrieval

Distortion

Image restoration

Imaging systems

Space telescopes

Sensors

Charge-coupled devices

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