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Proceedings Paper

Ground-based experiments on the growth and characterization of L-arginine phosphate crystals
Author(s): S. M. Rao; C. Cao; Ashok K. Batra; Ravindra B. Lal; Tripty K. Mookherji
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Paper Abstract

L-Arginine Phosphate (LAP) is a new nonlinear optical material with higher efficiency for harmonic generation compared to KDP. Crystals of LAP were grown in the laboratory from supersaturated solutions by temperature lowering technique. Investigations revealed the presence of large dislocation densities inside the crystals which are observed to produce refractive index changes causing damage at high laser powers. This is a result of the convection during crystal growth from supersaturated solutions. It is proposed to grow these crystals in a diffusion controlled growth condition under microgravity environment and compare the crystals grown in space with those grown on ground. Physical properties of the solutions needed for modelling of crystal growth are also presented.

Paper Details

Date Published: 1 December 1991
PDF: 10 pages
Proc. SPIE 1557, Crystal Growth in Space and Related Optical Diagnostics, (1 December 1991); doi: 10.1117/12.49607
Show Author Affiliations
S. M. Rao, Alabama A&M Univ. (United States)
C. Cao, Alabama A&M Univ. (United States)
Ashok K. Batra, Alabama A&M Univ. (United States)
Ravindra B. Lal, Alabama A&M Univ. (United States)
Tripty K. Mookherji, Teledyne Brown Engineering (United States)

Published in SPIE Proceedings Vol. 1557:
Crystal Growth in Space and Related Optical Diagnostics
James D. Trolinger; Ravindra B. Lal, Editor(s)

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