Scaled Fractional Fourier Transform for Partially Coherent Beams

Chin. Phys. Lett.

2003, Vol. 20

Issue (5): 668-670 DOI:

Original Articles

Scaled Fractional Fourier Transform for Partially Coherent Beams

CAI Yang-Jian;LIN Qiang

Institute of Optics and State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310028

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CAI Yang-Jian, LIN Qiang 2003 Chin. Phys. Lett. 20 668-670

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Abstract The definition of scaled fractional Fourier transform (SFRT) is extended to partially coherent beams based directly on the cross-spectral density. Based on this formula, an equivalent tensor ABCD law for the SFRT of partially coherent twisted anisotropic Gaussian-Schell model beams is derived. The derived formulae provide a powerful tool for analysing and calculating the SFRT of partially coherent beams. An application example is provided.

Keywords: 42.30.Kq 42.25.Kb 41.85.Ct

Published: 01 May 2003

PACS:	42.30.Kq	(Fourier optics)
	42.25.Kb	(Coherence)
	41.85.Ct	(Particle beam shaping, beam splitting)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I5/0668

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