Abstract

AbstractTwo‐photon absorption coefficient of cadmium diphosphide single crystals have been measured depending on a polarization azimuth (ϕ) at extreme light intensities near the optical damage threshold (11 MW/cm2). It is shown that the maximum value of this coefficient is equal to 0.16 cm/MW at ϕ = 0 (for the ordinary wave). These dependences are important for producing of the quantum electronics and nonlinear optics elements based on the effect of two‐photon absorption under extreme condition (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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