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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 9 — Apr. 28, 2008
  • pp: 6433–6442

Independent-elementary-field model for three-dimensional spatially partially coherent sources

Jari Turunen and Pasi Vahimaa  »View Author Affiliations


Optics Express, Vol. 16, Issue 9, pp. 6433-6442 (2008)
http://dx.doi.org/10.1364/OE.16.006433


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Abstract

The independent-elementary-source model recently developed for planar sources [Opt. Express 14, 1376 (2006)] is extended to volume source distributions. It is shown that the far-field radiation pattern is independent of the three-dimensional (3D) distribution of the coherent elementary sources, but the absolute value of the complex degree of spectral coherence is determined by the 3D Fourier transform of the weight function of the elementary fields. Some methods to determine an ‘effective’ three-dimensional source distribution with partial transverse and longitudinal spatial coherence properties are outlined. Especially in its longitudinal extension, this effective source volume can be very different from the primary emitting volume of the source. The application of the model to efficient numerical propagation of partially coherent fields is discussed.

© 2008 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(050.1940) Diffraction and gratings : Diffraction

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: February 20, 2008
Revised Manuscript: March 31, 2008
Manuscript Accepted: March 31, 2008
Published: April 22, 2008

Citation
Jari Turunen and Pas Vahimaa, "Independent-elementary-field model for three-dimensional spatially partially coherent sources," Opt. Express 16, 6433-6442 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-9-6433


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References

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