Search results
Results from the WOW.Com Content Network
A test target bursts into flame upon irradiation by a continuous-wave kilowatt-level carbon-dioxide laser. The carbon-dioxide laser (CO 2 laser) was one of the earliest gas lasers to be developed. It was invented by Kumar Patel of Bell Labs in 1964 [1] and is still one of the most useful types of laser.
A physician performing laser resurfacing using an erbium laser Laser resurfacing is a laser surgery technique that disassociates molecular bonds . It is used for the treatment of wrinkles, solar lentigenes , sun damage , scarring ( acne scars and surgical scars), stretch marks , actinic keratosis , and telangiectasias .
Measuring the effect of elevated CO 2 using FACE is a more natural way of estimating how plant growth will change in the future as the CO 2 concentration rises in the atmosphere. FACE also allows the effect of elevated CO 2 on plants that cannot be grown in small spaces (trees for example) to be measured. However, FACE experiments carry ...
Laser ablation or photoablation (also called laser blasting [1] [2] [3]) is the process of removing material from a solid (or occasionally liquid) surface by irradiating it with a laser beam. At low laser flux, the material is heated by the absorbed laser energy and evaporates or sublimates .
A carbon-dioxide laser. Carbon dioxide is the lasing medium in a carbon-dioxide laser, which is one of the earliest type of lasers. Carbon dioxide can be used as a means of controlling the pH of swimming pools, [139] by continuously adding gas to the water, thus keeping the pH from rising. Among the advantages of this is the avoidance of ...
A TEA laser is a gas laser energized by a high-voltage electrical discharge in a gas mixture generally at or above atmospheric pressure. The most common types are carbon dioxide lasers and excimer lasers, both used extensively in industry and research; less common are nitrogen lasers. The acronym "TEA" stands for "transversely excited atmospheric".
Chrissy Teigen is indulging in some skincare self-care.. On Thursday, Jan. 30, the model and cookbook author, 39, shared an Instagram Stories clip of herself looking unrecognizable as she sported ...
Chemical lasers are powered by a chemical reaction and can achieve high powers in continuous operation. For example, in the hydrogen fluoride laser (2.7–2.9 μm) and the deuterium fluoride laser (3.8 μm) the reaction is the combination of hydrogen or deuterium gas with combustion products of ethylene in nitrogen trifluoride.