A ruby laser is a solid-state laser that uses the synthetic ruby crystal rod or bar as its laser medium. Ruby laser is one of the few solid-state lasers that produce visible light. It emits deep red light of wavelength 694.3 nm.
A ruby laser is a solid-state laser that uses the synthetic ruby crystal rod or bar as its laser medium. Ruby laser is one of the few solid-state lasers that produce visible light. It emits deep red light of wavelength 694.3 nm.