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20 Cards in this Set
- Front
- Back
Which gas laser uses a pulse mode instead of a continuous mode?
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Excimer
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What is the difference between a CO2 pumping mechanism and the rest of the gas lasers?
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The only one that uses Radio Waves along with the typical electric discharge.
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What types of mediums are used in a CO2 laser?
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CO2, N & He
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What types of mediums are used in an excimer laser?
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Needs one from each of the 3 groups:
1) Ar*, Kr or Ne 2) F*, Cl, or Br (A halogen) 3) He |
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What are the most common mediums used in excimer lasers?
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Ar, F & He
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Name the gas lasers in order of least effecient to most efficient.
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Krypton, Argon, Helium-Neon, Excimer, Carbon Dioxide
(KAHEC) |
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Which laser can have up to a 200 mm BD?
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The most efficient gas laser, CO2.
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Which 2 lasers have a BD of 0.6-2mm
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Argon and Krypton
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Which wavelengths does the Argon gas laser use?
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Only one to use Blue:
1) 488nm (B) 2) 514nm (G) (B)A(G)- wavelenGths 2gether = around 1000 |
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Which wavelenths does Krypton use?
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Uses all but Blue:
1) 647 (R) 2) 530 (G) 3) 568 (Y) |
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What wavelength does a He-Ne Laser use?
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Red and Green
1) 633 2) 543 |
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What wavelength does CO2 use?
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3,000-1,000,000
usually @ 10,600 (IR-C) |
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What wavelength does an excimer laser use?
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193nm (UV-C)
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What is the lifetime for all the gas lasers?
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1-10,000 hrs for Ar & Kr
10-20,000 hrs for He-Ne 2,000 more or less than refill- CO2 1,000 (variable)- Excimer |
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What type of damage mechanism does a CO2 laser use?
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V&C, Photo- eVaporation & Coagulation
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What should a caution sign (class 2-3A), look like?
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Yellow background / black letters
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When should signs be displayed?
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At all times, no matter if in use or not.
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Danger sign?
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(Class 3b-4)
Red background w/ white letters |
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Notice repair?
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Blue background w/ white letters
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What has to be present when a 3b or 4 laser is in use?
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LSO- Laser Supervising Officer
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