High-power pumping of three-level optical fiber laser amplifier
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United States of America Patent
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Jun 25, 1996
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app pub date -
May 15, 1995
filing date -
May 15, 1995
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Abstract
A high-power pumping source for a three-level optical fiber amplifier includes a cladding-pumped four-level fiber laser. The four-level laser converts the high-power output of a diode array into an intense diffraction-limited beam which is utilized to pump an associated three-level laser. In turn, the output of the three-level laser is coupled to the fiber amplifier to supply a high-power pumping signal thereto.
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