Optical: systems and elements – Optical amplifier – Beam combination or separation
Patent
1997-10-03
1999-08-31
Moskowitz, Nelson
Optical: systems and elements
Optical amplifier
Beam combination or separation
359161, 359341, 359346, H01S 300, H01S 330, G02B 530
Patent
active
059461306
ABSTRACT:
An optical fiber amplifier which receives a primary laser beam and generates a coherent amplified laser beam, includes an optical isolator which transmits the primary laser, a 3-dB coupler which receives the primary laser beam, which generates first and second laser beams, which receives first and second amplified laser beams, and which combines the amplified laser beams to thereby produce the coherent amplified laser beam, a phase controller operatively connected in parallel with the 3-dB coupler which controls the phase of each of the amplified laser beams, and first and second fiber amplifiers operatively connected to the 3-dB coupler, the fiber amplifiers receiving first and second laser beams and generating the amplified laser beams, respectively. A high power coherent laser amplifier utilizing several optical fiber amplifier networks connected to one another in parallel is also described.
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McDonnell Douglas Corporation
Moskowitz Nelson
Powell Jr. Raymond H.J.
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