Device for outputting dual wavelength laser and terahertz wave based on single periodical and polarized crystal
A technology of periodically polarized crystals and dual-wavelength lasers, which is applied in laser cooling devices, masers, laser components, etc., can solve the problems of complex optical systems and difficult adjustment of optical paths, and achieve simplified experimental devices and easy adjustment of optical paths , the effect of increasing the function
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[0040] The parameters of each optical device will be described in detail below with reference to the accompanying drawings. The total reflection mirror 1 is a flat mirror, and the surface is coated with a high reflection film of 1064nm. The side-pump laser head 2 is a 100W laser diode side-pump module produced by Beijing Xinrunxin Company. The crystal rod material is Nd:YAG, and the size is , Both ends are coated with 1064nm anti-reflection coating, the whole module is cooled by a circulating water cooler, and the working temperature is 18°C. The side pump laser head 2 is placed near the right end of the total reflection mirror 1. The repetition frequency of the acousto-optic Q switch 3 is adjustable from 1 to 50 kHz, and the surface is coated with a 1064nm anti-reflection coating. The acousto-optic Q switch 3 is placed near the right end of the side-pumped laser head 2 .
[0041] The plane S1 of the plano-concave mirror 4 is coated with a 1064nm antireflection film, the co...
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