Spatial Coherence Properties Of Light From Optical Fibers

Nobukatsu Takai; Hiroyuki Yoshimura; Toshimitsu Asakura

doi:10.1117/12.948538

2 December 1988 Spatial Coherence Properties Of Light From Optical Fibers

Nobukatsu Takai, Hiroyuki Yoshimura, Toshimitsu Asakura

Proceedings Volume 0976, Statistical Optics; (1988) https://doi.org/10.1117/12.948538
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

The mutual intensity of the optical field in the Fraunhofer diffraction region from the end of an optical fiber is analyzed theoretically by using a fiber-end source model. Tn this source model, the optical field at the end of the fiber is expressed as a sum of independent plane waves with random directions and phases since the guided modes propagating through an optical fiber may be regarded as a stochastic process. It is found that the spatial coherence property of the optical field in the diffraction region is not homogeneous but quasihomogeneous in a statistical sense. This property is discussed in connection with the V number of the fiber and in comparison with that of the optical field, obeying the van Cittert-Zernike theorem, produced by the incoherent source.

Citation Download Citation

Nobukatsu Takai, Hiroyuki Yoshimura, and Toshimitsu Asakura "Spatial Coherence Properties Of Light From Optical Fibers", Proc. SPIE 0976, Statistical Optics, (2 December 1988); https://doi.org/10.1117/12.948538

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