What wavelength is associated with Nd:YAG lasers?

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Study for the 40Hr Laser Hair Removal Apprentice Test. Learn with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What wavelength is associated with Nd:YAG lasers?

Explanation:
Nd:YAG lasers emit light at 1064 nanometers in the near-infrared region. This wavelength penetrates deeper into the dermis and is less strongly absorbed by epidermal melanin than shorter wavelengths, which helps protect lighter skin while effectively reaching the hair follicle. That combination—deep penetration with lower epidermal melanin absorption—makes 1064 nm the wavelength most closely associated with Nd:YAG lasers in hair removal. Other common hair-removal wavelengths (like 755 nm or 810 nm) come from different laser types, and 532 nm is a frequency-doubled output sometimes produced from Nd:YAG but is not the standard Nd:YAG hair-removal setting.

Nd:YAG lasers emit light at 1064 nanometers in the near-infrared region. This wavelength penetrates deeper into the dermis and is less strongly absorbed by epidermal melanin than shorter wavelengths, which helps protect lighter skin while effectively reaching the hair follicle. That combination—deep penetration with lower epidermal melanin absorption—makes 1064 nm the wavelength most closely associated with Nd:YAG lasers in hair removal. Other common hair-removal wavelengths (like 755 nm or 810 nm) come from different laser types, and 532 nm is a frequency-doubled output sometimes produced from Nd:YAG but is not the standard Nd:YAG hair-removal setting.

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