A Barium-Gallium-Selenium Optical Parametric Oscillator Pumped by a 3-micron Band Solid-state Laser
An optical parametric oscillator, solid-state laser technology, applied in lasers, laser parts, phonon exciters, etc., can solve the problems of low output energy and low conversion efficiency, and achieve large output energy, high damage threshold, high beam quality effect
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[0016] The preferred modes of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0017] like figure 1 Shown, the present invention is by the 3 micron band solid-state laser 1 of OPO pump source, optical isolator 2, input mirror 3, BaGa 4 Se 7 The crystal 4, the output mirror 5 and the optical filter 6 are composed, and the input mirror 3 and the output mirror 5 constitute the resonant cavity of the OPO. Place the input mirror 3, BaGa 4 Se 7 Crystal 4, output mirror 5, the input and output mirror and BaGa 4 Se 7 The light passing surfaces of the crystal are parallel to each other, and each light passing surface is perpendicular to the output beam of the pump source laser 1 .
[0018] The pump light output by the pump source laser 1 passes through the optical isolator 2, enters the OPO resonator composed of the input mirror 3 and the output mirror 5, and enters the BaGa 4 Se 7 Crystal 4 generates parametric li...
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