Rigorous modeling of laser light propagation through uniaxial and biaxial crystals

Site Zhang; Daniel Asoubar; Frank Wyrowski

doi:10.1117/12.2079534

20 February 2015 Rigorous modeling of laser light propagation through uniaxial and biaxial crystals

Site Zhang, Daniel Asoubar, Frank Wyrowski

Proceedings Volume 9346, Components and Packaging for Laser Systems; 93460N (2015) https://doi.org/10.1117/12.2079534
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Crystals are widely applied in laser systems and they play important roles as polarization manipulators. A simple uniaxial crystal plate with a certain thickness may serve as a linear/circular polarizer. A uni/biaxial crystal with a proper orientation may work as a polarization beam splitter/combiner. A biaxial crystal at conical refraction may be used to generate radially polarized light or help form a Bessel beam. To design a laser system including crystal component(s), or to optimize the performance of such a system, simulation techniques which models the light propagation through crystals is required. We present a full-vectorial and electromagnetic method that enables the modeling of crystal components with general laser ﬁelds, based on the angular spectrum of plane waves. Propagation of general ﬁeld within anisotropic media and the reﬂection and transmission at a planar interface between isotropic/anisotropic and anisotropic/anisotropic media are discussed. We demonstrate examples on how crystals are used to manipulate the polarization state of laser beams.

Citation Download Citation

Site Zhang, Daniel Asoubar, and Frank Wyrowski "Rigorous modeling of laser light propagation through uniaxial and biaxial crystals", Proc. SPIE 9346, Components and Packaging for Laser Systems, 93460N (20 February 2015); https://doi.org/10.1117/12.2079534

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