Through joint research and development with optical solution experts on new optical components to improve light utilization, we have invented a patented chip to realize FPT (Focus Photothermal Therapy) Focused Ultra-Narrow Light.By controlling and reducing the angle of dispersion, changing the characteristics of light energy radiation area, increasing the aggregation effect of light waves, increasing the unit energy, and reducing energy loss, thus improving the energy utilization rate and lightening the effect of lines.