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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 4, Iss. 4 — Apr. 1, 2006
  • pp: 196–198

Invariance of spectrum and polarization of electromagnetic Gaussian Schell-model beams propagating in free space

Jixiong Pu  »View Author Affiliations

Chinese Optics Letters, Vol. 4, Issue 4, pp. 196-198 (2006)

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The propagation of polychromatic electromagnetic Gaussian Schell-model (EGSM) beams in free space is investigated. It is shown that the spectral degree of polarization, spectral degree of coherence, and normalized spectrum change generally on propagation. The conditions of keeping the spectral invariance and keeping polarization invariance for the polychromatic EGSM beams are derived respectively. The results indicate that the constraints on the parameters of EGSM source to keep polarization invariance on propagation are more rigorous than those to keep invariance of the normalized spectrum.

© 2005 Chinese Optics Letters

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(260.5430) Physical optics : Polarization
(300.6170) Spectroscopy : Spectra

Jixiong Pu, "Invariance of spectrum and polarization of electromagnetic Gaussian Schell-model beams propagating in free space," Chin. Opt. Lett. 4, 196-198 (2006)

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