Types of Lasers and their uses Flashcards
Excimer Lasers
UV-Gas, Pulsed
- ArF, 194 nm
- XeCl, 308nm
- KrF, 248nm
Nd:YAG Lasers
Neodymium: Yttrium Aluminum Garnet (YAG)
Solid, pulsed
1064nm or 532nm
1064 = IR
532 = Green
CO2 Lasers
Gas, Pulsed
10,600 nm - Infrared
Argon-Ion Laser
Gas, CW
514.5nm - Green
488nm - Blue
Alexandrite Laser
Solid, Pulsed
755nm - IR
Dye Lasers
Liquid, CW or Pulsed
400-800nm
Er:YAG
Erbium: Yitrium Aluminum Garnet (YAG)
Solid, CW or Pulsed
2940nm
1540nm
IR
Diode Lasers
Solid, CW
700-1500nm (Mostly IR)
HeNe Lasers
Helium-Neon Lasers
Gas, CW
632nm (Red)
What type of laser is used for Lasik or Angioplasty?
Excimer lasers
What are some uses for Nd:YAG lasers
- Eye surgery (macular degeneration)
- Eye floater treatment
- Dermatology (SPider-veins, Hemangiomas)
- Dermatology (hair removal)
- Laser Tattoo removal
What are some uses for CO2 lasers?
- Dermatology (Hemangiomas)
- Dentistry
- Veterinary
What are some uses for Argon-ion lasers?
- Dermatology (hair removal)
Alexandrite laser uses
- Laser tattoo removal
Pulsed dye laser uses
Dermatology
- Birthmarks
- Scars
- Facial Redness
- Port wine stains
Tattoo removal
Erbium laser uses
- Dentistry
- Dermatology
Melanin absorbs light in the 4-500nm range. What type of laser would be ideal to use? What colour would it be
488 Argon-ion laser
It would be a bluish-green color
Phthalocyanine absorbs strongly in the 700nm area. What laser would be ideal to use? You do not want blood or melanin to absorb this laser (they absorb in the 4-500 region)
This laser would be used in PDT treatment.
You would wan to use a He-Ne laser. Theyre CW so low power, and they emit wavelengths at 632nm, which is ideal for phthalocyanine absorption and not melanin or blood absorption.
