Figure-of-merit parameter of photorefractive crystals

Mohammad H. Majles Ara; C. V. Vijayan; Rajpal S. Sirohi

doi:10.1117/12.441336

25 September 2001 Figure-of-merit parameter of photorefractive crystals

Mohammad H. Majles Ara, C. V. Vijayan, Rajpal S. Sirohi

Proceedings Volume 4417, Photonics 2000: International Conference on Fiber Optics and Photonics; (2001) https://doi.org/10.1117/12.441336
Event: Photonics 2000: International Conference on Fiber Optics and Photonics, 2001, Calcutta, India

Abstract

A comparative study of the photorefractive response of some commonly used ferroelectric, nonferroelectric and semiconducting crystals is presented. The figure-of-merit parameters such as steady-state change in refractive index, response time and photorefractive sensitivity tare evaluated for crystals of BaTiO₃, LiBnO₃, BSO, GaAs and InP on the basis of Kukhtarev's theory, using input parameters form reported data. These parameters are calculated as a function of the grating period with and without an application of 10kV/cm electric field. The results indicate that the choice of the ideal material for a given application can be made only after a careful comparison of the figure-of-merit parameters as trade-offs exist among the various parameters for any material.

Citation Download Citation

Mohammad H. Majles Ara, C. V. Vijayan, and Rajpal S. Sirohi "Figure-of-merit parameter of photorefractive crystals", Proc. SPIE 4417, Photonics 2000: International Conference on Fiber Optics and Photonics, (25 September 2001); https://doi.org/10.1117/12.441336

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