The argon fluoride laser (ArF laser) is a particular type of excimer laser, which is sometimes (more correctly) called an exciplex laser. Nova Gas is a leading producer of gas mixtures for use in excimer lasers used in semiconductor production. Each treatment session is completed in as little as 5 minutes, depending on the size of the area to be treated. Photoablation is the use of light to break down, vaporize and remove matter. The laser uses a … The use of the excimer laser and its way of applications has revolutionized refractive surgery. Manufacturer: Bausch & Lomb - Laser Excimer 217P Technolas Perfect Vision - Manufactured in March 2010 but first used in January 2011 - Software Version : V 5.0 6007 - Excimer Laser Class 4 - Wavelength 193 nm - Pulse Frequency 100Hz - … An excimer laser typically uses a combination of an inert gas (argon, krypton, or … Construction and working The excimer laser delivers high-energy monochromatic UVB at 308 nm. For example an 0.8cm X 0.3cm (unfocussed) beam cross section with the previously calculated 333kW has a peak power density of 1.4MW/cm2 The same beam focussed to a 200 micron by 400 micron spot has a peak power density of 41GW/cm2. SPECTRAL PROPERTIES OF EXCIMERS Excimer lasers (the name is derived from the terms excited and dimers) use reactive gases such as chlorine and fluorine mixed with inert gases such as argon, krypton, or xenon. Typical energy output from excimer lasers ranges from a few mJ’s to 1000mJ. BAUSCH & LOMB Technolas 217P Zyoptix Laser - Excimer. Excimer lasers are also useful for cutting biological tissue where a clean cut is required without thermal damage to the surrounding tissue. The excimer laser system can also be used to treat psoriasis and some forms of eczema. The average output power in Watts from an excimer laser is simply the product of the energy per pulse and the repetition rate divided by 1000. The 308 nm excimer laser can be used to treat plaque psoriasis, 4 vitiligo 4,5 and early-stage mycosis fungoides. All rights reserved. Excimer lasers provide the benefits of NB-UVB but can be used on smaller treatment areas, such as the elbow or knee, for particularly stubborn plaques of psoriasis. The only PMA approved excimer laser system and disposable catheters for the treatment of peripheral and coronary arterial disease. The Excimer laser, of which XTRAC is one brand, works at a wavelength of 308 nanometers and uses the same principles as phototherapy but with faster results. Learn about special offers, current clinical research studies, and more. Excimer lasers used in biological applications are often described as "cold lasers" for this reason. Effectiveness Usually, two to three treatments with the excimer laser a week for about 10 to 15 weeks will achieve substantial improvement in a plaque of psoriasis. The provider will then set the appropriate dosage of UVB light for the patient depending on their skin type, skin thickness, and severity of symptoms. (Typically only 2 messages sent per month.). The spectral output of excimer lasers depends upon the specific gas fill and the selective properties of the laser resonator. The XTRAC excimer laser system offers many advantages over other treatments you may have tried. It is able to address the lighter areas of the skin and encourage repigmentation. Dermatology -- to treat psoriasis and vitiligo. For example a 20mJ excimer laser operating at 500Hz produces 10W of average power. Av. Based on a typical processing beam area of 30 x 2 mm2 and a pulse overlap of 50 %, processing rates of 5 to 50 m2/h are achieved depending on the excimer laser model used. 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