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For the application of high power laser technologies,large size pota-sium dihydrogen phosphate(KDP)crystals with high degree of perfection anda cross section of 40×40 cm~2 or more are used in laser fusion experiments.It is well know that KDP crystal grow with normal conditions,the growth ofx,y direction remains very slow even completely stop to grow in the tradi-tional method,In this paper we will report the results of a new technique forspeed up the enlargement of cross section of KDP crystal by an array of se-
For the application of high power laser technologies, large size pota-sium dihydrogen phosphate (KDP) crystals with high degree of perfection and a cross section of 40 × 40 cm ~ 2 or more are used in laser fusion experiments. It is well know that KDP crystal grow with normal conditions, the growth ofx, y direction remains very slow even completely stop to grow in the tradi-tional method, In this paper we will report the results of a new technique forspeed up the enlargement of cross section of KDP crystal by an array of se-