Raman gain medium
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United States of America Patent
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Jun 11, 1985
Grant Date -
N/A
app pub date -
Apr 9, 1982
filing date -
Apr 9, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A new Raman gain medium, comprising an optical fiber into which molecular gas has been diffused, is disclosed. This new medium combines the advantages of a fiber, i.e., long interaction path, low loss, controllable dispersion, and convenience in handling, with the large Raman wave number shift of the gas, i.e., 4136 cm.sup.-1 for H.sub.2 in silica. A laser made with such a medium can provide a relatively high power, tunable, coherent signal source in the near and far infrared regions.
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