THE SPECTRUM OF VISIBLE LIGHT (380-780 NANOMETERS) REPRESENTS VIOLET, INDIGO,BLUE, GREEN, YELLOW, ORANGE, AND RED TO HUMANS WITH NORMAL COLOR VISION. BY DEFINITION,VISIBLE LASERS HAVE OUTPUT LIGHT ENERGY WITHIN THIS RANGE OF WAVELENGTHS. VISIBLEWAVELENGTHS OF 488, 514, 532, 632, 694 NANOMETERS ARE COMMONLY PRODUCED BY LASERSAVAILABLE ON THE MARKET TODAY.