Photorefractive properties of doped cadmium telluride crystals

I. N. Agishev; Alexei L. Tolstik; V. N. Yakimovich; O. K. Khasanov

doi:10.1117/12.417723

2 March 2001 Photorefractive properties of doped cadmium telluride crystals

I. N. Agishev, Alexei L. Tolstik, V. N. Yakimovich, O. K. Khasanov

Proceedings Volume 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control; (2001) https://doi.org/10.1117/12.417723
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

In the work consideration was given to investigation into the spectroscopic and nonlinear optical properties of photorefractive semiconductor cadmium telluride crystals doped with vanadium, ferrum and titanium. Introduction of dopants was required to produce an impurity absorption band in the near IR region and enhance the photorefractive properties. Two methods have been used for the production of doped crystals: diffused post-growth doping and growth of doped crystals from melt. Nonlinear optical properties of samples were studied at the wavelength of 1.06 micrometer in a four-wave mixing scheme. Maximum diffraction efficiency was revealed for the convergence angle of light beams approximating 8 degree, with the grating period of 7 micrometer and was equal to 2%. The dynamic grating lifetime was about 0.2 microseconds.

Citation Download Citation

I. N. Agishev, Alexei L. Tolstik, V. N. Yakimovich, and O. K. Khasanov "Photorefractive properties of doped cadmium telluride crystals", Proc. SPIE 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control, (2 March 2001); https://doi.org/10.1117/12.417723

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