Basic technology of fast growing normal and partially deuterated KDP crystals

Conference · Sun Dec 31 04:00:00 EST 1995

OSTI ID:234192

Fujioka, K; Matsuo, S; Kanabe, T; Nakatsuka, M; Nakai, S ^[1]

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1. Osaka Univ., Suita, Osaka (Japan). Inst. of Laser Engineering

The recent key issue of the efficient implosion in an inertial confinement fusion experiments is the improvement of the irradiation uniformity where the partially coherent light and the phase plate were used. The partially coherent light has wide spectral width and large beam divergence. The partially deuterated KDP crystal is suitable as the effective harmonic converter. The distribution coefficient of deuterium in the crystal depends on that of the growth solution. It was not affected, even if the saturated temperature and the supersaturation of the growth solution were changed. 13%-deuterated KDP crystal of 9 x 9 x 11 cm size was grown in which the deuterated rate was constant within the measurement error of {+-} 1 %. The excess energy due to an over heading and/or an acoustic energy to the solution and the pH control realized higher level of supersaturation. KDP crystal were grown up to 50mm/day.

• OSTI ID: 234192
• Report Number(s): CONF-9505264--; ISBN 0-8194-1997-4
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CRYSTAL GROWTH
DEUTERIUM COMPOUNDS
FREQUENCY CONVERTERS
GEKKO FACILITY
HARMONIC GENERATION
LASER IMPLOSIONS
NEODYMIUM LASERS
POTASSIUM PHOSPHATES