Laser Diode Stacks for Hair Removal

Laser Diode Stacks for Hair Removal


Laser Diode Stacks for Hair Removal

Laser diode stacks for hair removal are available in a number of wavelengths and power options. They are suitable for long pulse width, have good seal protection and can be used with various cooling fluids.

Laser diode stacks for hair removal are high-power semiconductor laser devices that are used in cosmetic and medical applications to remove unwanted hair. These devices consist of a stack of individual laser diodes that emit light in the near-infrared region, typically at a wavelength of 808 nm or 810 nm.

The output power of each individual laser diode in a laser diode stack can range from a few watts to several tens of watts, depending on the design and size of the device. The high-power output of the laser diode stack is coupled into the skin, where it is absorbed by the melanin in the hair follicles. This absorption causes the hair follicles to heat up and become damaged, leading to hair removal.

The laser diode stacks for hair removal typically use a pulsed mode of operation, where the laser emits short bursts of high-intensity light. This pulsed mode of operation allows for the delivery of high-energy light to the hair follicles while minimizing damage to the surrounding skin tissue.

The fabrication process for laser diode stacks typically involves epitaxial growth of the active and cladding layers on a substrate, followed by lithography and etching to define the device structure. The individual laser diodes are then formed by cleaving or dicing the device into smaller pieces, each containing one or more laser diodes.

Laser diode stacks for hair removal are often packaged with additional optics and electronics to enable efficient coupling of the light into the skin and to provide thermal management to dissipate the heat generated by the high power output of the device.

Macro channel stack 300W/500W 760nm-1100nm
Macro channel stack 300W-700W 760nm-1100nm
Macro channel stack 600W-1200W 760nm-1100nm

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