High-gain double-stroke traveling-wave amplifier for picosecond laser pulse amplification
A traveling wave amplifier and pulse amplification technology, which is applied to lasers, laser parts, phonon exciters, etc., can solve problems such as unbearable high pump power, poor laser spot quality, small amplification gain, etc., and achieve output Excellent spot quality, high amplification gain, and good stability
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[0014] The invention designs a high-gain two-way traveling-wave amplifier suitable for picosecond laser pulses. The amplification gain can reach 1000 times, and the peak power of the laser can be amplified from kW to MW level. The output amplified laser is stable, the beam quality is excellent, and the structure is simple.
[0015] Such as figure 1 As shown, a high-gain two-way traveling wave amplifier for picosecond laser pulse amplification includes a semiconductor diode pump source 1, a laser crystal 5 and a picosecond seed source 13, and the semiconductor diode pump source 1 is connected to the first lens 2, and the first lens 2 connected to the second lens 3, the second lens 3 connected to the first plane mirror 4, the first plane mirror 4 connected to the laser crystal 5, the laser crystal 5 connected to the third lens 6, the third lens 6 connected to the second plane mirror 7, picosecond seed source 13 The film polarizer 12 is connected, the film polarizer 12 is connect...
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