Hollow Gaussian Schell-model beam and its propagation

Details Hollow Gaussian Schell-model beam and its propagation Hollow Gaussian Schell-model beam and its propagation

2007-06-16

arxiv.org/abs/0706.2436v1

Physics

Optics

13pages, 2 figures

Scientific paper

10.1016/j.optcom.2007.11.018

In this paper, we present a new model, hollow Gaussian-Schell model beams (HGSMBs), to describe the practical dark hollow beams. An analytical propagation formula for HGSMBs passing through a paraxial first-order optical system is derived based on the theory of coherence. Based on the derived formula, an application example showing the influence of spatial coherence on the propagation of beams is illustrated. It is found that the beam propagating properties of HGSMBs will be greatly affected by their spatial coherence. Our model provides a very convenient way for analyzing the propagation properties of partially coherent dark hollow beams.

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