GASEOUS ION LASER RESEARCH.

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Abstract:

Progress is reported under a program to improve the lifetime, reliability, and operational characteristics of high power argon ion lasers. The completion of a second life test of an oxide cathode and the initiation of a life test of an impregnated tungsten cathode are reported. The characteristics of pyrolytic graphite and graphite overcoated with tungsten as laser bore materials are described. The excellent performance and erosion resistance of a disk-bore tube constructed of thin tungsten disks separated by large gaps is reported. Experiments to improve the cathode throat design and to evaluate the effectiveness of internal gas return paths are described. Measurements of the noise modulation of the laser output as a function of the operating parameters of the discharge have been made. Author

Author(s):
Halsted, A. S. ; Bridges, W. B. ; Mercer, G. N.
Author Organization(s):
HUGHES RESEARCH LABS MALIBU CA
Descriptive Note:
Interim technical rept. no. 3, 1 Jul-30 Nov 67,
Pagination:
0057

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Contract/Grant Number(s):
F33615-67-C-1435
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*GAS LASERS, ARGON, GAS IONIZATION, GAS DISCHARGES, CATHODES, LIFE EXPECTANCY(SERVICE LIFE), OXIDES, TUNGSTEN, PYROLYTIC GRAPHITE, GRAPHITE, CONFIGURATIONS, PERFORMANCE(ENGINEERING)
Field(s)/Group(s):
Lasers and Masers
Keyword(s):
ION LASERS
Report Date:
1967 Dec 01