Paper
5 August 1998 Diffractive optical element for Zernike decomposition
Yonggang Ha, Dazun Zhao, Yongtian Wang, Victor V. Kotlyar, Svetlana N. Khonina, Victor A. Soifer
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Abstract
A Zernike polynomial can be used to describe not only the phase of a wavefront, but also its entire complex amplitude. For the latter case, a diffractive optical element (DOE) is proposed to decompose the incident wavefront into a set of diffraction orders with their amplitudes proportional to the coefficients of the Zernike polynomial. A 25-channel Zernike decomposer is designed by means of an iterative method, and its operation simulated. When the amplitude distribution of the incident wavefront is known, its shape can be uniquely determined from the intensity measured on the output plane of the DOE. An exemplary algorithm for the phase retrieval is also presented. Such a DOE can be very useful in the rapid analysis of wavefronts.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yonggang Ha, Dazun Zhao, Yongtian Wang, Victor V. Kotlyar, Svetlana N. Khonina, and Victor A. Soifer "Diffractive optical element for Zernike decomposition", Proc. SPIE 3557, Current Developments in Optical Elements and Manufacturing, (5 August 1998); https://doi.org/10.1117/12.318300
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Cited by 13 scholarly publications.
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KEYWORDS
Wavefronts

Diffractive optical elements

Diffraction

Zernike polynomials

Optical filters

Phase retrieval

Iterative methods

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