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In laser science, regenerative amplification is a process used to generate short but strong pulses of laser light. It is based on a pulse trapped in a laser resonator, which stays in there until it extracts all of the energy stored in the amplification medium. Pulse trapping and dumping is done using a polarizer and a Pockels cell, which acts like a quarter wave-plate.
A mid-infrared femtosecond laser hair growth device and therapeutic instrument
This invention relates to a mid-infrared femtosecond laser hair regrowth device and treatment instrument. The mid-infrared femtosecond laser hair regrowth device includes a regenerative amplification module for generating near-infrared femtosecond laser; a parametric conversion module for receiving the near-infrared femtosecond laser, converting it into mid-infrared laser, and outputting it; an anti-resonant hollow fiber, the input end of which is coupled to receive the mid-infrared femtosecond laser output by the parametric conversion module for transmitting the mid-infrared laser; and a treatment handpiece including a first collimating lens, a scanning galvanometer, and a liquid lens. The first collimating lens is located on the output optical path of the anti-resonant hollow fiber for collimating the mid-infrared laser, the scanning galvanometer is used to control the deflection of the collimated beam, and the liquid lens is used to receive the deflected beam and adjust its focusing state. The mid-infrared femtosecond laser hair regrowth device and treatment instrument can output mid-infrared femtosecond laser with precise wavelength, achieve low-loss flexible laser transmission, and can be adjusted in real time on the working surface.
Owner:CHENGDU HAIKE MOUYU MEDICAL TECHNOLOGY CO LTD