There is considerable interest in frequency converting glass laser systems to reduce anomalous absorption processes in laser heated plasmas. Harmonic generation on the LLNL Nova system requires nonlinear optical crystals of 74-cm aperture. However, single crystals of this size have yet to be grown arid are not likely to become available in time for Nova activation in 1985. To overcome crystal size limitations we have developed and tested KDP crystal arrays.

© 1982 Optical Society of America

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