a) Describe the basic parts of a laser and the function of each
one. Describe why in photodynamic therapy lasers are usually
used.
b) Consider a 10 W lamp and a laser with an output power of 1
mW, with a beam of circular area of radius r = 1 mm. When
focusing on a patient's skin 1 m away from the source, which one
has the highest intensity?
c) Describe 3 types of medical applications of laser light, 3
possible damage caused by lasers and 3 protection modes that can be
used.
d) Explain what are the effects of photocoagulation,
photovaporization and photochemical ablation of lasers used in
medicine.