Elizabeth D Filer from Augusta, WV, age 61

Resumes

Home Security Mcallen Tx

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Industry:

Business Supplies And Equipment

Work:

Adt Security Mcallen Tx
Home Security Mcallen Tx

Publications

Us Patents

Ho:lulf And Ho:tm:lulf Laser Materials

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US Patent:

57426325, Apr 21, 1998

Filed:

Sep 7, 1995

Appl. No.:

8/524861

Inventors:

Norman P. Barnes - Yorktown VA
Clyde A. Morrison - Wheaton MD
Elizabeth D. Filer - Poquoson VA
Mahendra G. Jani - Poquoson VA
Keith E. Murray - Newport News VA
George E. Lockard - Newport News VA

Assignee:

The United States of America as represented by the Administrator of the
National Aeronautics and Space Administration - Washington DC

International Classification:

H01S 314

US Classification:

372 68

Abstract:

A laser host material LuLF (LuLiF. sub. 4) is doped with holmium (Ho) and thulium (Tm) to produce a new laser material that is capable of laser light production in the vicinity of 2. mu. m. The material provides an advantage in efficiency over conventional Ho lasers because the LuLF host material allows for decreased threshold and upconversion over such hosts as YAG and YLF. The addition of Tm allows for pumping by commonly available GaAlAs laser diodes. For use with flashlamp pumping, erbium (Er) may be added as an additional dopant. For further upconversion reduction, the Tm can be eliminated and the Ho can be directly pumped.

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