Accession Number : AD0744061

Title :   Laboratory Investigation of Absolute Intensity Constants of Metallic and Alkaline Earth Oxides by Nonshock-Tube Methods.

Descriptive Note : Final rept. 17 Feb 69-31 Dec 71,

Corporate Author : PANAMETRICS INC WALTHAM MASS

Personal Author(s) : Wentnk,Tunis , Jr. ; Diebold,Gerald

Report Date : 31 JAN 1972

Pagination or Media Count : 55

Abstract : A three-year study of the measurement and analyses of molecular energy level radiative lifetimes is presented. The experiments, using blowoff vapor produced by a focused pulsed ruber laser, are described. Radiation damage near threshold is reported and discussed; such thresholds we measured were significantly lower than thos reported by others. New absolute intensity constants for BaO and VO are presented, and compare well with the results from other methods. The validity of the laser blowoff method in determining meaningful level lifetimes is treated. Recommendations for future work are given. Other major publications resulting from this contract are described briefly in two appendixes. (Author)

Descriptors :   (*OXIDES, *MOLECULAR ENERGY LEVELS), ELECTRON TRANSITIONS, DIATOMIC MOLECULES, RELAXATION TIME, VAPORIZATION, PHOTON BOMBARDMENT, LASERS, HEATING, ZIRCONIUM OXIDES

Subject Categories : Atomic and Molecular Physics and Spectroscopy

Distribution Statement : APPROVED FOR PUBLIC RELEASE