Laser Safety (Graded A+)

Which part of the electromagnetic spectrum do lasers not operate? visible light ultraviolet light x-ray infrared light correct answers x-ray Laser that commonly uses solid material in the active medium: helium-neon Nd:YAG argon CO2 correct answers Nd:YAG monochromatic nature of laser light refers to: laser light that can be white laser light that consists of only one color or wavelength laser light that is very bright laser light that can emit chrome ions correct answers only consists of one color or wavelength The overall calculation for the maximum permissible exposure (MPE) is based on wavelength, duration of exposure and the spatial distribution of light temperature humidity A and B correct answers spatial distribution of light A band pass filter: correct answers allows transmission of a narrow range of wavelengths Direct viewing and specular as well as diffuse reflections can cause permanent damage from what class laser? correct answers Class IV Visible lasers fall into what wavelength range? correct answers 400nm - 760nm The individual that was given a great deal of credit for the theory and development of the laser was: correct answers Charles townes coherence is: correct answers property of laser light where waves are in phase Which statement best describes the process of stimulated emission? correct answers an atom is stimulated by a photon to emit another photon which is identical in frequency, energy, direction, and phase