Abstract
This chapter presents a discussion of the recording speed in photorefractive materials, the parameters that influence it under various circumstances of continuous wave and pulsed recording, and the experimental conditions under which the recording speed is determined in the simplest way by readily identifiable material parameters. This leads to all-optical techniques for the measurement of the photoconductivity, the diffusion length, the free-carrier lifetime, and the free carrier mobility. Two useful examples that will be discussed at greater length are photoinduced space-charge relaxation (PSCR) using continuous-wave excitation at long grating spacing to determine the conductivity, and holographic time of flight (HTOF) using short-pulse excitation at short grating spacings to determine the free carrier mobility.
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Biaggio, I. (2007). Recording Speed and Determination of Basic Materials Properties. In: Günter, P., Huignard, JP. (eds) Photorefractive Materials and Their Applications 2. Springer Series in Optical Sciences, vol 114. Springer, New York, NY. https://doi.org/10.1007/0-387-34081-5_3
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DOI: https://doi.org/10.1007/0-387-34081-5_3
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