Accession Number : AD0430019

Title :   NEODYMIUM LASER GLASS IMPROVEMENT PROGRAM.

Descriptive Note : Quarterly letter rept. no. 7 for period ending 31 Dec 63,

Corporate Author : AMERICAN OPTICAL CORP SOUTHBRIDGE MA

Personal Author(s) : Woodcock, Richard F.

Report Date : 31 DEC 1963

Pagination or Media Count : 3

Abstract : Investigation of the influence of various glass constituents on laser properties continued. A systematic investigation confirmed that lifetime varies inversely with Na2O concentration and directly with K2O, Rb2O and Cs2O concentrations. A new laser cavity was constructed for the comparison of thresholds of laser rods made from small experimental glass melts. A system was set up for making a direct experimental determination of the quantum efficiency of the fluorescence process to check the calculated values. Measurement was made on a Ba crown glass containing 2 wt.% Nd2O3. A program is underway to survey existing glasses and/or to design new ones which meet this requirement. (Author)

Descriptors :   (*LASERS, SCIENTIFIC RESEARCH), (*NEODYMIUM, LASERS), (*FLUORESCENCE, LASERS), RARE EARTH ELEMENTS, OXIDES, EMISSIVITY, EXCITATION, THERMAL EXPANSION, REFRACTIVE INDEX, GLASS, RODS.

Distribution Statement : APPROVED FOR PUBLIC RELEASE