Not known Details About diode laser คือ
ทายาชา, เจลเย็น เพื่อลดความรู้สึกเจ็บ— A photon’s Electricity establishes its wavelength via the relationship E = hc/λ, exactly where h is Planck’s frequent, c is the speed of sunshine, and λ is wavelength. A really perfect laser would emit all photons with the exact same e