Cosmetic

580) Which of the following statement regarding laser principles is FALSE ?

A. The wavelength is the distance between two successive peaks of the wave.
B. The amplitude is the height of the peak and is related to the intensity of the light.
C. Frequency, or the period of the light wave, is the amount of the time require for one full wave cycle.
D. All lasers contain a power source, a laser medium, an optical cavity and a delivery system.
E. Power density increases proportionally with the diameter (spot size) of the laser system.




REFERENCES & ANSWER



Russell Ries W., Wittkopf M.: Chapter 10 in Facial Plastic and Reconstructive Surgery, Third Edition, (Papel I. D., editor), 2009 , pp. 99-118



580) E          Power density increases proportionally with the diameter (spot size) of the laser system.