Cosmetic surgery (to remove tattoos, scars, stretch marks, sunspots, wrinkles, birthmarks, spider veins or hair) Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. This makes the MOPA laser one of the most flexible lasers which can be used for many applications. We’ll also outline a few key products offered by DEWALT for each category. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details). In this article, we’ll dive into each type of laser and for which applications each is most commonly used. It will be listed either in Arabic numerals (1 2, 3R, 3B, 4) or in Roman numerals (I, II, IIIa, IIIb, IV). Some examples include. Lasers are used in many types of surgical procedures. Fiber lasers are generally maintenance-free and feature a long service life of at least 25,000 laser hours. LINE LASERS: Let’s begin with the most common laser found on a jobsite, the line laser. Laser classes Lasers are classified for safety purposes based on their potential for causing injury to humans’ eyes and skin. Most laser products are required by law to have a label listing the Class. A special type of fiber laser is the MOPA laser, where pulse durations are adjustable. Lasers are classified based on their potential for causing injury — especially eye damage, since the eye is most susceptible to excess laser light. There are four main classes for visible-beam lasers: Class 2, Class 3R, Class 3B and Class 4. The first two are relatively safe for eye exposure; the last two are hazardous.

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