An all-fiber high-energy pulse regeneration and amplification device and method based on 2×3 optical switch
A regenerative amplification and pulse regeneration technology, which is applied in the direction of lasers, laser components, and the structure/shape of active media, can solve problems such as difficult frequency reduction and large insertion loss, and achieve reduced nonlinear effects, compact structure design, The effect of improving the signal-to-noise ratio
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[0043] Such as figure 1 As shown in (a), a 2×3 optical switch provided by the present invention and an all-fiber high-energy pulse regeneration amplifying device realized by applying it include an ultrashort pulse laser seed source 101, a pulse stretching device 102 and The all-fiber regenerative amplification resonant cavity 103 , the output laser of the all-fiber regenerative amplifying resonant cavity 103 is spatially collimated output, and the output laser enters the pulse compression device 105 . It is also possible not to include the pulse stretching device 102, and directly use the optical fiber to input the seed source pulse to the all-fiber regenerative amplification resonator 103, such as figure 1 (b) shown.
[0044] The ultrashort pulse laser seed source 101 can use a typical mode-locked fiber laser, and a cavity length adjuster based on a PZT crystal is placed on the fiber in the resonant cavity. The 5% energy of the output signal of the ultrashort pulse laser se...
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