????????????? ???????????????????????????????????????????????????????????????????????????????????????? ???? ???????????????????????????? ?????????????????? ???????The emission wavelength of the laser diode is essentially based on the band gap with the laser-Lively semiconductor materials: the photon Strength is near the band gap energy. In quantum … Read More


?????????????? ?????????????????????????????????????????? ?????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????????????????????????????? ?????????????????????????????????????????????? , electrons and holes can recombine, releasing the Electricity parts as photon… Read More