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Proceedings Paper

In Situ Visualization Of A Solid-Liquid Interface During Crystal Growth
Author(s): S B Trivedi; T S Ananthanarayanan; R G Rosemeier; J J Kennedy
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Paper Abstract

This paper describes a novel technique to visualize, 'in situ,' the solid-liquid interface during directional solidification. It is based on the principle of 'Infrared Autoradiography.' This technique is in general applicable to infrared materials depending upon their infrared transmission range and availability of infrared detection/imaging system in that range. Preliminary results on the application of this technique to potassium chloride (KC1) are included. The technique will allow, for the first time, 'in situ' monitor and control of interface shape and thus, help grow better quality crystals. In addition to the improvement in the crystal quality, the technique will have wide range of fundamental and practical applications in solidification processes of advanced IR materials.

Paper Details

Date Published: 18 July 1988
PDF: 5 pages
Proc. SPIE 0929, Infrared Optical Materials IV, (18 July 1988); doi: 10.1117/12.945844
Show Author Affiliations
S B Trivedi, Brimrose Corporation of America (United States)
T S Ananthanarayanan, Brimrose Corporation of America (United States)
R G Rosemeier, Brimrose Corporation of America (United States)
J J Kennedy, U.S. Army Night Vision Laboratory (United States)


Published in SPIE Proceedings Vol. 0929:
Infrared Optical Materials IV
Solomon Musikant, Editor(s)

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