US Patent 7298768 Thulium-doped heavy metal oxide glasses for 2UM lasers
Patent 7298768 was granted and assigned to NP Photonics on November, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Shibin Jiang0
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Patent abstract
A heavy metal oxide glass selected from germanate, tellurite and bismuth oxide glasses provides a host for highly efficient Thulium doped 2 μm oxide glass and fiber lasers. The concentration of Thulium ions is high enough that energy transferred by the phenomenon of cross-relaxation will enhance laser emission at 2 μm and suppress emission at 1.5 μm so that 2 μm emission is dominant.
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US Patent 07298768 Thulium-doped heavy metal oxide glasses for 2UM lasers US Patent 7298768 Thulium-doped heavy metal oxide glasses for 2UM lasers
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Patent Number
07298768
Patent Number
7298768
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US Patent 07298768 Thulium-doped heavy metal oxide glasses for 2UM lasers
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Patent jurisdiction
Patent number
07298768
Date of patent
November 20, 2007
Patent application number
10990869
Date Filed
November 16, 2004
Patent primary examiner
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