Lasers

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by jen1895150
Last updated 7 years ago

Discipline:
Science
Subject:
Physics
Grade:
10

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Lasers

Lasers in Cancer Treatment?Laser therapy uses high-intensity light to treat cancer. Lasers can be used to shrink or destroy tumors or precancerous growths.

Where on our body do we use lasers?

Works Cited (APA) Laser Eye Surgery. (n.d.). Laser Eye Surgery. Retrieved November 23, 2013, from http://www.unc.edu/~lfarrag/Laser surgery. (2013, November 19). Wikipedia. Retrieved November 23, 2013, from http://en.wikipedia.org/wiki/Laser_surgeryLaser surgery - skin: MedlinePlus Medical Encyclopedia. (n.d.). U.S National Library of Medicine. Retrieved November 23, 2013, from http://www.nlm.nih.gov/medlineplus/ency/article/002958.htmLasers. (n.d.). Boundless. Retrieved November 23, 2013, from https://www.boundless.com/physics/introduction-to-quantum-physics/applications-of-quantum-mechanics/lasers--2/National Cancer Institute. (n.d.). Lasers in Cancer Treatment -. Retrieved November 24, 2013, from http://www.cancer.gov/cancertopics/factsheet/Therapy/lasersQuantum optics. (2013, November 23). Wikipedia. Retrieved November 25, 2013, from http://en.wikipedia.org/wiki/Quantum_opticsSurgery. (n.d.). Laser. Retrieved November 22, 2013, from http://www.surgeryencyclopedia.com/La-Pa/Laser-Surgery.html

Jenna HumNovember 25, 2013SNC 2D

Physics in laser eye surgery?The deficiency of the eye is examined using the physics of refraction The laser reshapes the cornea of the eye.

Risks of Laser Surgery•Hemorrhage•Infection•Piercing of an organ or tissue•Scar or change skin color•Etc...

What are lasers used to treat sugically?chest painectopic pregnancy fibroid tumorsgallstonesglaucoma ovarian cystsulcersvaricose veinswarts...

What is it?Laser surgery, is surgery using a laser (instead of a scalpel) to cut tissue.

Light vs. Laser

Lasers in surgery

Lasers rely on quantum optics- Quantum optics is a field of research in physics dealing with the application of quantum mechanics to the phenomena involving light and its interactions with matter.

Argon laser: this laser provides the limited penetration needed for eye surgery and superficial skin

Nd:YAG laser: Capable of penetrating tissue deeper than other lasers, it enables blood to clot quickly

Carbon Dioxide Laser: Primarily a surgical tool, this device cuts through or vaporizes tissue

Lasers used in surgery


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