Abstract
The magnitudes of the derivatives of the phase-matching angles with respect to temperature |/spl part//spl theta//sub pm///spl part/T| (milli-radians/degree celsius), for critically phase-matched frequency conversion using KDP (KH/sub 2/PO/sub 4/) have been directly measured for the five most interesting processes to inertial confinement fusion (ICF) laser-system designers: 2/spl omega/ I, 2/spl omega/ II, 3/spl omega/ I, 3/spl omega/ II, and 4/spl omega/ I. These measurements span an approximate temperature range of 25 to 90/spl deg/C, and were performed at a fundamental (1/spl omega/) wavelength of /spl lambda/=1.064 pm. The results are used to calculate the phase-matching thermal-sensitivity parameter |/spl beta//sub T/| (centimeter/sup -1//milliradian), for each conversion process.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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