Laser Hair Removal Questions and Correct Answers the Latest Update and Recommended Version
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Grado
Laser Hair
Institución
Laser Hair
what does the word LASER stand for?
light amplification stimulated emission of radiation
what are the four characteristics of a wave?
wavelength, frequency, velocity, amplitude
wavelength
distance between 2 peaks of the wave measured in nanometers
frequency
number of wave cycles per seco...
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explain the correlation between the wavelength, energy, frequency, amplitude, and
penetration to the surface
✓ -shorter waves have more energy, higher frequency, higher amplitudes, less penetration
✓ -long waves have less energy, less frequency, less amplitudes, more penetration
what is the range for visible light? (nm)
✓ 400-780nm
what are actinic rays?
✓ damaging rays that come from the sun
what wavelengths are considered to be actinic?
✓ 0-400nm
what wavelengths for IR light?
✓ 780-10,000
what is spontaneous emission?
✓ process of energy absorption by electrons and emitting spontaneously
what are the components of laser?
✓ active medium, excitation mechanism, feedback mirrors, laser output
what are 3 unique characteristics of the laser light?
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