Full-solid multi-cavity combined intra-cavity frequency multiplication one-way overlapped output standard continuous green light laser

Abstract

The present invention provides a laser, especially a frequency doubling single direction overlapping output quasi-cw green laser in a full-solid multi-cavity combined cavity, composed of three or moreF-P, each F-P adopts flat-concave cavity structure, F-P adopts side pumped Nd:YAG crystal of the semiconductor laser pumped component having same model, each F-P is optimized design by computer simulation, a stably rotatable 1064nm fundamental frequency laser is formed in the F-P, each F-P obtains 532nm quasi-cw green laser by the audio-optical Q switching and frequency doubling technology, overlapping in the several frequency doubling crystals, reflecting by the harmonic reflector, obtaining secondary frequency doubling and output together. The laser does not need any thermal lens and thermal double refraction compensation element, having high output power, better beam quality, high doubling efficiency, better stability, widely used for fields of laser material process, optical storage,laser full color display, laser medicine, scientific research, communication, defense and amusement.

Description

technical field [0001] The invention belongs to the field of laser technology, in particular to a design scheme of an all-solid-state high-power multi-cavity combination intracavity frequency-doubling unidirectional overlapping output quasi-continuous green laser Background technique [0002] Since the first ruby ​​laser came out in the 1960s, all kinds of lasers and laser technology have developed extremely rapidly, especially the development of high-power all-solid-state solid-state lasers is particularly eye-catching, with its large output energy, high peak power, and higher than CO 2 Gas lasers are widely used in laser material processing, optical storage, laser full-color display, laser medicine, scientific research, communication, national defense, entertainment and other fields due to their short wavelength, reliable operation, and long service life. At present, multi-rod serial connection technology is the main method to improve the output power of all-solid-state la...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the disadvantages and deficiencies such as low light-to-light conversion efficiency, unobvious thermal lens effect, unstable laser output power, and poor beam quality in the above-mentioned prior art, the technical solution of the present invention is solved in this way: an all-solid-state multi-cavity The combined intracavity frequency doubling unidirectional overlapping output quasi-continuous green laser includes a two-dimensional adjustment frame, which is special in that a horizontal linear sub-cavity and at least two independent inverted sub-cavities are fixedly connected to the two-dimensional adjustment frame L-shaped sub-cavity, the horizontal optical path of the incident flat concave total reflection end mirror of the horizontal linear sub-cavity is respectively equipped with an acoustic light Q-switched crystal, a laser crystal, a LD side pump source, a second harmonic mirror, a frequency doubling crystal with anti-gray trace characteristics, a planar output mirror, the above-mentioned incident plano-concave total reflection end mirror, an acoustic light Q-switched crystal, a laser crystal, a LD side pump source, a second harmonic mirror, a frequency-doubling crystal with anti-gray trace characteristics, and a plane output mirror are fixedly connected to the two-dimensional adjustment frame; the horizontal direction of the independent inverted L-shaped sub-cavity is respectively equipped with another fundamental-frequency full-reflection mirror , another frequency doubling crystal with anti-gray trace characteristics, another plane output mirror, another laser crystal, another LD side pump source, and another Acoustic optical Q-switching crystal, another plano-concave total reflection end mirror, the above-mentioned another fundamental frequency optical total reflection mirror, another frequency doubling crystal with anti-gray trace characteristics, another planar output mirror, and another fundamental frequency optical full reflection mirror. Another laser crystal, another LD side pump source, another acousto-optic Q-switching crystal, and another plano-concave total reflection end mirror are respectively fixedly connected to the two-dimensional adjustment frame on the lower side of the mirror in the vertical direction.

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