Laser and Light-Based Hair Removal Physics Exam Questions and Answers

Laser and Light-Based Hair Removal Physics Exam Questions and Answers What is the acronym for LASER? - Answer ️️ -Light Amplification by Stimulated Emission of Radiation Photothermolysis is based on the principle of using: - Answer ️️ -Laser energy to selectively destroy a target beneath the surface of the skin The measure of energy density delivered to the tissue expressed in joules per cm2 is called? - Answer ️️ -Fluence The principle of selective photothermolysis relies on the presence of what substance in the follicle and surrounding structure? - Answer ️️ -Melanin Laser pulse width represents the: - Answer ️️ -Amount of time the target is exposed to the laser In laser hair removal the most important consideration associated with spot size is the: - Answer ️️ -Depth of penetration of the energy into the dermis The amount of time it takes a substance after heating to return to its normal temperature is known as: - Answer ️️ -Thermal relaxation time When excited with a flashlamp the ehe alexandrite crystal emits radiation at: - Answer ️️ - 755nm Select the response with all the correct properties of laser light as it reacts with tissue. - Answer ️️ --Reflection -Absorption -Transmission