Accession Number : ADD012894

Title :   Long-Lived Laser Dye.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Fletcher,Aaron N

Report Date : 29 Jul 1986

Pagination or Media Count : 6

Abstract : Summary of the Invention: An object of the present invention is to provide a method for obtaining a long-lived moderate output laser dye. A further objective of the present invention is to provide a method of obtaining in a flashlamp pumped laser system, a long-lived flashpumped laser dye having a low 50 threshold of lasing and a moderate output. These and other objects have been been demonstrated by the present invention wherein the dye solution comprised of an oxazole laser dye and a solvent are placed in a laser dye cavity, screened from ultraviolet light by a glass filter, and then flushed with an inert gas. The dye solution is then pumped with a flashlamp to produce laser emission. The test setup uses a triaxial flashlamp having a 300 nm cutoff ultraviolet filter to contain the lasing solution (laser cavity) separating it from the water coolant. The rise time of the triaxial flashlamp used is 200 ns. The output mirror has a niminal 55% reflectivity at the lasing wavelength.

Descriptors :   *PATENTS, *DYES, *DYE LASERS, SOLUTIONS(GENERAL), FILTERS, GLASS, LASER CAVITIES, LONG LIFE, MIRRORS, OUTPUT, ULTRAVIOLET RADIATION, FLASH LAMPS, LASER PUMPING, GASES, INERT MATERIALS, EMISSION, ULTRAVIOLET FILTERS, WATER COOLING

Subject Categories : Lasers and Masers

Distribution Statement : APPROVED FOR PUBLIC RELEASE