Which option correctly pairs a laser type with its wavelength?

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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

Which option correctly pairs a laser type with its wavelength?

Explanation:
Wavelength determines how strongly hair pigment absorbs the light and how deeply the energy can reach the follicle. Alexandrite lasers are designed to emit about 755 nanometers, a value that is readily absorbed by melanin in hair while remaining reasonably safe for the surrounding skin. This makes the Alexandrite at 755 nm pairing the best match for effective hair removal. Other options don’t align with the standard pairings you’d expect: 810 nm is more typical for diode systems, 1064 nm is the Nd:YAG wavelength (a different laser type), and 900 nm isn’t a common standard for hair removal.

Wavelength determines how strongly hair pigment absorbs the light and how deeply the energy can reach the follicle. Alexandrite lasers are designed to emit about 755 nanometers, a value that is readily absorbed by melanin in hair while remaining reasonably safe for the surrounding skin. This makes the Alexandrite at 755 nm pairing the best match for effective hair removal.

Other options don’t align with the standard pairings you’d expect: 810 nm is more typical for diode systems, 1064 nm is the Nd:YAG wavelength (a different laser type), and 900 nm isn’t a common standard for hair removal.

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