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Levelling the focal spot intensity of the focused Gaussian beam
V.V. Kotlyar, S.I. Khonina
Image Processing Systems Institute of RAS Phase reconstruction using a Zernike decomposition filter
S.N. Khonina, V.V. Kotlyar, V.A. Soifer
Image Processing Systems Institute, Russian Academy of Sciences
Y. Wang and D. Zhao
Beijing Institute of Technology, Beijing 100081, China

 PDF, 1347 kB

Pages: 52-56.

Full text of article: English language.

Abstract:
Coherent wavefronts are analysed using a Zernike filter that decomposes the analyzed light field into a set of diffraction orders with amplitudes proportional to the circular Zernike polynomials. We also apply the algorithm to the calculation of the light field phase from measurements of the modules of decomposition coefficients. Operation of several filter is simulated.

Citation:
Khonina SN, Kotlyar VV, Soifer VA, Wang Y, Zhao D. Phase reconstruction using a Zernike decomposition filter. Computer Optics 1998; 18: 52-56.

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