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28 October 2005 Characterization of RbTiOPO4 crystal for electro-optic and non-linear applications
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The aim of this work is to introduce the RTP material (a KTP isomorph) and point out its main fields of application for solid-state lasers, both in non-linear optics and electro-optics. In order to cover all the range of applications in which RTP can be used, the paper reviews the performance (efficiency, tolerance, walk-off, damage threshold) of the RTP crystals as frequency-doubling crystals (Second Harmonic Generation) for green and yellow lasers. In addition, red output was obtained with RTP in a frequency-mixing experiment, and an OPO (Optical Parametric Oscillation) pumped at 1064nm yielded an eye-safe wavelength at 1.62 μm. For both operations, we present data related to RTP's optical and physical properties as well as comparison with other suitable non linear crystals. With the help of the Photothermal Common-path Interferometer (a technique developed in order to measure very precisely all kinds of absorption), we give an assessment of RTP's sensitiveness to green-induced absorption ("grey-track"). This review ends by covering the properties of RTP for electro-optics. We present a complete study based on measurements in house and comparative data of other non linear crystals available on the market.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. Albrecht, C. Bonnin, Y. Gromfeld, and M. A. Herrmann "Characterization of RbTiOPO4 crystal for electro-optic and non-linear applications", Proc. SPIE 5990, Optically Based Materials and Optically Based Biological and Chemical Sensing for Defence II, 599004 (28 October 2005);

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