50W CW visible laser source at 589nm obtained via frequency doubling of three coherently combined narrow-band Raman fibre amplifiers
Keyword(s):
Keyword(s):
1997 ◽
Vol 14
(10)
◽
pp. 2469
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Keyword(s):
Keyword(s):
1992 ◽
pp. 617-624
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1997 ◽
Vol 33
(10)
◽
pp. 1673-1686
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