Lasers with emission wavelengths longer than 1.4 m are often called
eye-safe”, because light in that wavelength range is strongly
absorbed in the eye’s cornea and lens and therefore cannot reach
the significantly more sensitive retina. Obviously, the quality
eye-safe” depends not only on the emission wavelength, but also on
the power level and the optical intensity which can reach the eye.
Eye-safe lasers are particularly important in
1535nm-laser-for-ranging-and-radar cases where light needs to be
transmitted over substantial distances in open air. Examples are
laser rangefinders and free-space optical communications.
1535 solid-state eye-safe laser—Ultra compact eye-safe laser for
The wavelength of 1535nm is just in the position of the human eye
and the atmospheric window, so it has been widely concerned in the
fields of laser ranging and electronic communication. Er,Yb:glass
lasers are most commonly used for laser rangefinders with a low
pulse repetition rate (less than 10 Hz). Our eye-safe laser have
already used in ranging finder and its ranging range is 3-5km with
high stability, which applied in Gun aiming and UAV pod.