Accession Number : AD0786675

Title :   Optical Pumps for Holmium Lasers.

Descriptive Note : Final rept. 1 Jul 72-30 Jun 73,


Personal Author(s) : Noble,Lowell ; Reed,Leonard ; Maynard,Robert ; Flentz,Harry

Report Date : JUL 1974

Pagination or Media Count : 80

Abstract : The objective of this program was to increase the efficiency of optical pumps for low energy holmium lasers. The characteristics of the final lamps, modulator circuitry and cavity are given. Also are recommendations for future lamps, cavity and modulator, based upon data taken during this program. Efficiency improvements were achieved by optimizing the bore diameter, fill pressure, gas composition, envelope wall material, pulse length and starting method. Active filters, Ho:YLF materials of differing composition, and various cavity configurations were also investigated.

Descriptors :   *Optical pumping, *Flash lamps, *Laser cavities, *Infrared lasers, Circuits, Performance(Engineering), Doping, Holmium, Fluorescence, Modulators, Light pulses, Lithium compounds, Xenon lamps

Subject Categories : Lasers and Masers

Distribution Statement : APPROVED FOR PUBLIC RELEASE