Handpiece with a microchip laser
A microchip laser and a handpiece including the microchip laser. The microchip laser includes a laser medium with input and output facets. The input facet is coated with a highly reflective dielectric coating at microchip laser wavelength and highly transmissive at pump wavelength. The output facet is coated with a partially reflective at microchip laser wavelength dielectric coating. A saturable absorber attached by intermolecular forces to output facet of microchip laser. A handpiece for skin treatment includes the microchip laser.
1. A microchip laser handpiece, comprising:
a handpiece body accommodating:
a microchip laser located in handpiece body, which is configured to be applied to skin;
a fiber optics connection to a pump laser; and
a fractionated scanning system configured to breakdown a solid beam emitted by the microchip laser and form array of microbeam across a segment of skin;
wherein the microchip laser generates high power picosecond short pulses of energy.
2. The microchip laser handpiece of claim 1 , wherein the handpiece body is adapted to slide over the skin.
3. The microchip laser handpiece of claim 1 , wherein the fractionated scanning system comprises of a pair of mirrors.
4. The microchip laser handpiece of claim 1 , wherein the handpiece body further comprises a lens array configured to generate the microbeam array from the solid beam emitted by the microchip laser.
5. The microchip laser handpiece of claim 4 , wherein the lens array comprises a plurality of lenslets and each lenslet receives up to 4 mJ at 1064 nm and 2 mJ at 532 nm.
6. The microchip laser handpiece of claim 1 , further comprising a holographic 1-D beamsplitter configured to generate 1-D fractionated micro-dot line.
7. The microchip laser handpiece of claim 6 , wherein a 2-D fractional beam pattern is generated when the handpiece is moved in a direction perpendicular to a 1-D fractionated micro-dot line.
8. The microchip laser handpiece of claim 1 , wherein the handpiece body contains a second harmonic generator to generate an additional laser light wavelength.
9. The microchip laser handpiece of claim 1 , wherein a handpiece body sliding speed sets a treated skin area by laser beam coverage.