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Band-limited angular spectrum numerical propagation method with selective scaling of observation window size and sample number |
JOSA A, Vol. 29, Issue 11, pp. 2415-2420 (2012)
http://dx.doi.org/10.1364/JOSAA.29.002415
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Abstract
Band-limited angular spectrum (BLAS) methods can be used for simulating the diffractional propagation in the near field, the far field, the tilted system, and the nonparaxial system. However, it does not allow free sample interval on the output calculation window. In this paper, an improved BLAS method is proposed. This new algorithm permits a selective scaling of observation window size and sample number on the observation plane. The method is based on the linear convolution, which can be calculated by fast Fourier transform effectively.
© 2012 Optical Society of America
OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(090.1995) Holography : Digital holography
(070.2025) Fourier optics and signal processing : Discrete optical signal processing
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: July 12, 2012
Revised Manuscript: September 24, 2012
Manuscript Accepted: September 25, 2012
Published: October 22, 2012
Citation
Xiao Yu, Tang Xiahui, Qin Yingxiong, Peng Hao, and Wang Wei, "Band-limited angular spectrum numerical propagation method with selective scaling of observation window size and sample number," J. Opt. Soc. Am. A 29, 2415-2420 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-11-2415
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