Semiconductor laser device medical module capable of emitting uniform light spots and application of semiconductor laser device medical module

Abstract

The invention relates to a semiconductor laser device medical module capable of emitting uniform light spots and application of the semiconductor laser device medical module. The semiconductor laser device medical module comprises a semiconductor laser device, a laser device cooling fin, an aperture diaphragm, a collimating lens, a lens cone, a light spot homogenization device and a glass window, wherein the semiconductor laser device is arranged on the laser device cooling fin; the aperture diaphragm, the collimating lens, the light spot homogenization device and the glass window are sequentially arranged in a direction of emitting laser beams by the semiconductor laser device in parallel; the semiconductor laser device, the laser device cooling fin, the aperture diaphragm, the collimating lens, the light spot homogenization device and the glass window are fixedly arranged in the lens cone. According to the semiconductor laser device medical module capable of emitting the uniform light spots, the light spot homogenization effect is relatively good after the laser beams are emitted by a plurality of combined manner and the effect is relatively obvious; particularly, the use effect in the medical field is improved.

Description

technical field [0001] The invention relates to a semiconductor laser medical module emitting uniform light spots and an application thereof, belonging to the technical field of semiconductor laser applications. Background technique [0002] Laser medicine is an important field of laser application. The use of light for medical monitoring and treatment has been developed for many years, and a variety of laser-based medical devices have been developed. [0003] Semiconductor lasers can be used to remove wrinkles, treat varicose veins, acne and chronic skin diseases. Hair removal mainly uses 810nm semiconductor laser tube and bar, and 1064nm Q-switched neodymium-doped yttrium aluminum garnet laser can also be used. The general output power is about 40W, and the energy density is 22J / cm2. [0004] Semiconductor lasers can be used in low-light therapy, which uses photochemical changes instead of heat, stimulates and regulates specific cell molecules, and achieves therapeutic e...

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Problems solved by technology

[0007] Semiconductor lasers have the characteristics of light weight, small size, high photoelectric conversion efficiency, long life, and wide wavelength coverage. They are very suitable as light sources for medical equipment. With the continuous maturity of semiconductor laser technology, they can make up for other lasers. Disadvantages such as inconvenience, low efficiency, and difficulty in heat dissipation will become an important part of laser medical equipment

[0008] The patent document "semiconductor laser shaping device" of Chinese patent CN200956493Y proposes a method for shaping the beam of a semiconductor laser. The technical solution is to arrange a semiconductor laser on a support, and set a distance from the semiconductor laser to the direction in which the semiconductor laser emits a laser beam on the support. 0.05-2.5mm one-dimensional gradient refractive index lens to achieve laser beam shaping, but the disadvantage of this solution is that it cannot achieve uniform output of the laser spot

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