Laser Hair Removal Test (in class exam)
What is the definition of the acronym LASER? - Answer-Light Amplification by Stimulated Emission of
Radiation
Name the specific wavelengths for laser hair removal. - Answer-Ruby- 694 nm
Alex- 755 nm
Diode-800-810 nm
NDYAG- 1064 nm
What determines the depth of penetration? - Answer-Dependent on wavelength & spot size (width of
laser beam)
What are the four basic parameters of laser? - Answer-wavelength, pulse width, spot size, fluence
How is wavelength measured? - Answer-by the distance between two peaks and measured in
nanometers (nm)
(from peak to peak or trough to trough)
What is the definition of the acronym LASER? - Answer-Light Amplification by Stimulated Emission of
Radiation
Name the specific wavelengths for laser hair removal. - Answer-Ruby- 694 nm
Alex- 755 nm
Diode-800-810 nm
NDYAG- 1064 nm
What determines the depth of penetration? - Answer-Dependent on wavelength & spot size (width of
laser beam)
What are the four basic parameters of laser? - Answer-wavelength, pulse width, spot size, fluence
How is wavelength measured? - Answer-by the distance between two peaks and measured in
nanometers (nm)
(from peak to peak or trough to trough)
