5 Simple Statements About diode laser Explained
โปรแกรมดูแลเส้นผม ปลูกผมเทคนิคแขนกล— A photon’s energy decides its wavelength through the relationship E = hc/λ, where by h is Planck’s continual, c is definitely the pace of light, and λ is wavelength. A really perfect laser would emit all photons with the exact same energ