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Your search keyword '"Takeda, Mitsuo"' showing total 34 results
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34 results on '"Takeda, Mitsuo"'

9. Roadmap on chaos-inspired imaging technologies (CI2-Tech)

Author

Rosen, Joseph, de Aguiar, Hilton B., Anand, Vijayakumar, Baek, YoonSeok, Gigan, Sylvain, Horisaki, Ryoichi, Hugonnet, Hervé, Juodkazis, Saulius, Lee, KyeoReh, Liang, Haowen, Liu, Yikun, Ludwig, Stephan, Osten, Wolfgang, Park, YongKeun, Pedrini, Giancarlo, Sarkar, Tushar, Schindler, Johannes, Singh, Alok Kumar, Singh, Rakesh Kumar, Situ, Guohai, Takeda, Mitsuo, Xie, Xiangsheng, Yang, Wanqin, and Zhou, Jianying

Published
2022
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33. Matrix-based integral transformations for Stokes imaging with partially polarized and partially coherent light.

Author

Wang W and Takeda M

Abstract

With the aid of the matrix-based integral transforms called matrix convolution and matrix direct correlation, we provide a simplified expression for the space- and frequency-domain calculations of polarization imaging with partially polarized and partially coherent light. As an example of practical interest, a formula for Stokes imaging, based on the generalized Stokes parameters, is presented, in which a hypermatrix-based transmission cross-coefficient matrix is introduced to represent the combined effects of diffraction and aberrations of a polarization-dependent imaging system and a partially polarized, partially coherent illumination system. The coherent and incoherent limits in Stokes imaging are discussed with the optical transfer matrix, along with its frequency response for a diffraction-limited incoherent polarization imaging system. A generalized concept of the apparent transfer matrix is introduced to deal with the nonlinearity inherent in the polarization imaging system under partially coherent illumination.

Published
2024
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34. Autocorrelation functions and power spectral densities of the Stokes parameters in a polarization speckle pattern.

Author

Wang W, Hanson SG, and Takeda M

Abstract

The concept of ensemble-average polarization and coherence has been applied to studying fluctuating Stokes parameters in a polarization speckle observed when coherent light is passed through a birefringent polarization scrambler. With the aid of the ensemble-average van Cittert-Zernike theorem for the propagation of ensemble-average polar-coherence, we invesitgate the autocorrelation functions and power spectra of the Stokes parameters to expose the dependence of the polarization-related scale-size distributions on the optical geometries in which the polarization speckle arises. A generalized concept of the Stokes ensemble-average coherence areas is introduced to deal with the polarization-related average areas associated with polarization speckle.

Published
2023
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