Diode laser is the most popular hair removal technology. The diode laser is a machine built with small diodes and semiconductors and which is fundamentally characterized by having a longer wavelength than the rest. It uses a light beam to target specific areas of the skin with unwanted hair.
The hair follicle and the melanin pigments contained in them are chromophores, i.e. absorb light energy. The laser emits a beam of light that passes through the epidermis and is swallowed by melanin. When this happens, follicles get very hot. This heat damages them from the first session. After sufficiently repeated exposure (from 4 to 7 procedures), most of the hair follicles contained in the skin are completely destroyed.
Brandnew can offer high power up to 4000W diode laser stack for hair removal application. Typically, all diode bars within one stack are electrically connected in series. High Power 4000W 808nm Diode Laser Stack containing 40 bars, each one emitting 100 W, the laser diode driver will typically have to provide a drive current around 100 A and a drive voltage of the order of 80 V. As a single diode bar would require the same high current, the electrical cables do not have to be stronger for a stack; only the voltage will be higher, but still quite moderate. The higher voltage allows the laser diode driver to reach a higher power conversion efficiency.
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