Optical Pumps for Holmium Lasers.

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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, HoYLF materials of differing composition, and various cavity configurations were also investigated.

Author(s):
Noble, Lowell ; Reed, Leonard ; Maynard, Robert ; Flentz, Harry
Author Organization(s):
ILC TECHNOLOGY INC SUNNYVALE CALIF
Descriptive Note:
Final rept. 1 Jul 72-30 Jun 73,
Supplementary Note:
See also report dated Dec 73, AD-777 810.
Pagination:
0080

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
R-ILC-73-7/F, ECOM-72-0274-F
Contract/Grant Number(s):
DAAB07-72-C-0274
Task Number(s):
1S762703A18606, 14
Project Number(s):
DA-1-S-762703-A-186
Monitor Series:
72-0274-F
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*Optical pumping, *Flash lamps, *Laser cavities, *Infrared lasers, Circuits, Performance(Engineering), Doping, Holmium, Fluorescence, Modulators, Light pulses, Lithium compounds, Xenon lamps
Field(s)/Group(s):
Lasers and Masers
Keyword(s):
*Holmium lasers, Yttriates, Lithium tetrafluoroyttriate, YLF lasers, Design
Report Date:
1974 Jul 01