a laser

Abstract

The invention discloses a laser device. The laser device comprises a semiconductor laser device, an optical shaping system, a coupling reflector, a reflector, a plate electrode pair, a discharge cavity, a matching network, a radio-frequency power supply, a tail mirror and an output mirror, and is characterized in that the discharge cavity is filled with working gas; the plate electrode pair is symmetrically placed inside the discharge cavity, and the surface of the electrode pair has high reflection characteristic for semiconductor pump laser and output gain laser; the semiconductor laser is pump light, the central wavelength of the semiconductor laser is matched with gas particle absorption spectral lines after radio-frequency discharge of the working gas inside the discharge cavity, and the semiconductor laser is injected into the discharge cavity through the coupling reflection mirror. The laser device has the characteristics of compact structure, small size, uniform discharge, high pumping efficiency and the like, can effectively prevent nonlinear effect of high-power continuous single-mode laser and high-power picosecond and femtosecond laser, and realizes high laser beam quality, good atmosphere and optical fiber transmission characteristic and laser output of medium and high power under high processing efficiency condition.

Description

technical field [0001] The present invention relates to a new type of laser, in particular to a semiconductor pumped semiconductor laser combined with a solid-state laser and a gas laser with small volume, compact structure, high pumping efficiency, good beam quality, good atmospheric and optical fiber transmission characteristics, and high processing efficiency. hybrid lasers. . Background technique [0002] With the development of science and technology, the demand for lasers with high beam quality, high efficiency and high power is increasing day by day in the fields of laser energy industry, laser industrial processing, aerospace and defense. Based on the above requirements, a new hybrid laser is proposed. [0003] For lasers, the gain medium is the core, which determines the wavelength of the output beam, and has a decisive influence on the power level and beam mode of the laser. The gain medium of high-power laser light source mainly experiences YAG rod-shaped gain ...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above defects and improvement needs of the prior art, the present invention provides a semiconductor-pumped hybrid laser with the help of the existing slab laser technology. The output power of the pumped gas dielectric laser is not high, the working substance pollutes the laser output window and the problem of toxic and harmful substances to the human body and the environment during its working process

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