Multi-wavelength spectrum synthesis apparatus for high-power all-solid-state laser
A synthesis device and high-power technology, applied in laser devices, active medium materials, etc., can solve the problems of multiple side lobes of synthetic light spots, limited number of beam synthesis, and degradation of beam quality, and achieve correction of beam dispersion and beam quality deterioration and reduction. Spectral requirements, the effect of efficient and stable spectral synthesis
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Embodiment 1
[0044] This embodiment provides a kind of 100kW level high-power all-solid-state laser multi-wavelength spectrum synthesis device, adopts a Nd:YAG crystal 1064nm high-power sub-laser 1-1 and a Yb:YAG crystal 1030nm high-power sub-laser 1-2 pair Wavelength spectrum synthesis to obtain 100kW high-power all-solid-state laser output.
[0045] This example figure 2 and image 3 As shown, the two laser oscillators 1-01 are side-pumped dual-rod cascaded four-mirror ring cavity lasers:
[0046] Nd:YAG crystal 1064nm high-power sub-laser laser oscillator 1-01 has 1064nm etalon as wavelength control device 1-08, its thickness is 5mm, and both ends face 1064nm light reflectivity 60%; Yb:YAG crystal The laser oscillator 1-01 of the 1030nm high-power sub-laser has a 1030nm etalon as a wavelength control device 1-08, the thickness of which is 8mm, and the reflectivity of both ends facing 1030nm light is 40%;
[0047] The specific structure of 1064nm laser oscillator 1-01 using side-pump...
Embodiment 2
[0055] This embodiment provides a 100kW class high-power all-solid-state laser multi-wavelength spectrum synthesis device, using a Nd:YAG crystal 1064nm high-power sub-laser 1-1 and a Nd:YAG ceramic high-power sub-laser 1-2 dual-wavelength Spectral synthesis to obtain 100kW high-power all-solid-state laser output.
[0056] The structure of the laser is basically the same as in Embodiment 1, the difference is that:
[0057] 1. The laser gain medium is Nd:YAG crystal and Nd:YAG ceramic material. The Nd:YAG crystal material is the same as in Example 1. The Nd:YAG ceramic material selects ceramic laser material as the laser gain medium, wherein the Nd ion doping concentration is 1at.%, the crystal rod diameter is 3mm, and the length is 80mm. Coated with 1064nm laser anti-reflection coating;
[0058] 2. The multi-wavelength spectrum synthesis system 2 is composed of an optical lens 2-1 and a synthesis device 2-2; the optical lens 2-1 is a quartz crystal, and the optical end surfa...
Embodiment 3
[0062] This embodiment provides a 100kW class high-power all-solid-state laser multi-wavelength spectrum synthesis device, using a Nd:YAG crystal 1064nm high-power sub-laser 1-1 and two highly doped Nd:YAG ceramic high-power sub-lasers 1-2, 1-3 multi-wavelength spectrum synthesis to obtain 100kW high-power all-solid-state laser output.
[0063] The structure of the laser is basically the same as in Embodiment 1, the difference is that:
[0064] 1. The laser gain medium is Nd:YAG crystal and highly doped Nd:YAG ceramic material. The Nd:YAG crystal material is the same as in Example 1. The Nd:YAG ceramic material selects ceramic laser material as the laser gain medium, wherein the Nd ion doping concentration is 5at.%, the crystal rod diameter is 3mm, and the length is 80mm. Coated with 1064nm laser anti-reflection coating.
[0065] 2. The multi-wavelength spectrum synthesis system 2 is composed of an optical lens 2-0, an optical lens 2-1, and a synthesis device 2-2; the optica...
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