Dependence on excitation polarization and crystal orientation for terahertz radiation generation in a BaGa4Se7 crystal | Zendy

B. N. Carnio | Zendy; Eric Hopmann | Zendy; Kevin T. Zawilski | Zendy; Peter G. Schunemann | Zendy; A. Y. Elezzabi | Zendy

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Dependence on excitation polarization and crystal orientation for terahertz radiation generation in a BaGa₄Se₇ crystal

Author(s) -

B. N. Carnio,

Eric Hopmann,

Kevin T. Zawilski,

Peter G. Schunemann,

A. Y. Elezzabi

Publication year - 2020

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.393410

Subject(s) - optical rectification , terahertz radiation , polarization (electrochemistry) , optics , crystal (programming language) , excitation , materials science , rectification , optoelectronics , radiation , infrared , physics , laser , nonlinear optics , chemistry , quantum mechanics , computer science , programming language , power (physics)

Optical rectification is experimentally investigated in a biaxial BaGa 4 Se 7 crystal by considering various combinations of near-infrared excitation polarizations and crystal orientations. The highest terahertz radiation is produced along the Z crystallo-physical direction of the BaGa 4 Se 7 crystal. Despite the optical complexity of the BaGa 4 Se 7 crystal in the terahertz spectral regime, this systematic experimental investigation determines the optimal excitation polarization and crystal orientation for the optical rectification process.

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