Two Americans Invented the First Laser

Charles Hard Townes and Arthur Leonard Schawlow, physicists from New York, NY USA invented the laser in 1951. Continue reading

Ultraviolet solid-state laser

In late 1993 the Sony KK of Tokyo, Japan, announced they developed an Ultraviolet solid-state laser, capable of generated a continuous 1-watt wave beam at a 266 nano-meters wavelength. Continue reading