Hụkwa laser diode. Igwe ọkụ na-enwupụta ọkụ (LED) bụ ngwaọrụ semiconductor nke na-ewepụta ọkụ a na-ahụ anya mgbe ọkụ eletrik na-agafe na ya. Ọkụ ahụ anaghị enwu gbaa karịa, mana n’ọtụtụ LEDs ọ bụ monochromatic, na-eme na otu ogologo ọkụ. Mmepụta si ikanam nwere ike ịbụ uhie (na a wavelength nke ihe dị ka 700 nanometers) na-acha anụnụ anụnụ-violet (ihe […]
