Laser Hair Removal Exam Questions Correct Answers New Update

LASER HAIR REMOVAL EXAM QUESTIONS CORRECT ANSWERS NEW UPDATE LASER - Light amplification by the stimulated emission of radiation Light consist of many wave lengths - Laser consist of just one The FDA approved lasers for permanent hair reduction - In. 1997 When was the Ruby crystal laser invented - In 1960 The Ruby crystal uses what wavelength - 694 nm In 1960 the ruby crystal was invented and used for - Dermatology and ophthalmology ELECTROMAGNETIC SPECTRUM of RADIATION - Visible and invisible light The light we see belongs to what spectrum - ELECTROMAGNETIC SPECTRUM of RADIATION The spectrum of light is arranged by its frequency of its waves - Longest, lowest waves to shortest highest waves. Radio waves are longest and gamma waves are shortest Wavelength - Is the measurement between the distance of two consecutive peaks in a wave ( peak or troughs ) Short wave length - High frequency High intensity 2 | P a g e Katelyn Whitman© 2025, All Rights Reserved. High melanin absorption Long wave length - Low frequency Low intensity Low melanin absorption Ruby laser - 694nm Alexandrite - 755nm Diode - 800nm , 810nm Nd Yag - 1064nm Ruby and alexandrite - Short wave length High frequency High intensity Nd Yag - Long wavelength Low frequency Low intensity Nanometers Nm - How a Wavelength is measured Infrared - Lasers are in this wavelength Radio wave have the longest wavelength in the spectrum - Radio waves Infrared light ( IR ) - Is invisible and thermal 3 | P a g e Katelyn Whitman© 2025, All Rights Reserved. Infrared energy - Felt as heat on the skin and can be captured in thermal imaging Longest wavelength visible light - Red Shortest wavelength viable light - Violet Some laser hair removal devices are in the red light and some are in the near infrared part of the electromagnetic spectrum - Ultraviolet light - Highly energetic with shorter wavelengths than visible light UVA rays - 95% of UV radiation that reaches the earth UVA rays - Penetrate the skin more deeply and are domina