Found inside – Page 30Class 4 lasers are dangerous – they will burn your skin and cause permanent damage to your eyes. Their high power also makes them a fire hazard, ... Found inside – Page 12They arise because the high - power beam , while passing through the atmosphere ... Mid - Infrared Advanced Chemical Laser ( MIRACL ) ( see Figure 3 ) burns ... Found inside – Page 276This class includes high-power lasers within an enclosure that prevents exposure to the radiation and that cannot be opened without shutting down the laser. Found inside – Page 20Even some laser pointers can burn photoreceptors and retinal neurons (Sect. ... This type of laser is designed to diverge more than high power lasers, ... Found inside – Page 16-44The special case of common laser pointers has received considerable ... Lasers at the high power end of this class may also present a fire hazard and can ... Found inside – Page 70Table 4.1 Test results of laser power from laser pointers sold on ... Medium and high-power laser can be extremely hazardous since they can burn eyes retina ... Found inside – Page 128laser), described in Chapter 10 and 11, which is used for ultrahigh-power ... burning coal, or to some extent from the sun, is disordered with high entropy. Found inside – Page 7When these powerful lasers become more prevalent , one result , Childes ... by “ a tiny dot of laser beam , " the newest , most powerful laser pointers can ... Found inside – Page 1042Class II lasers include laser pointers and scanners. ... these lasers also create hazardous airborne contaminants and require a high-voltage power supply. Found inside – Page 149Table 3.16 Laser damage according to wavelength Wavelength range ... a direct high-power exposure to the foveola, leading to significant thermal burn, ... Found inside – Page 290Laser and other light therapy applicators generally have a fixed power, ... disease conditions and pulse structures.18 Because high-intensity lasers have ... Found inside – Page xixThe green diode-pumped laser pointer. ... Nd+3:YVO4 laser is a commonly used The fiber laser can be scaled up to very high-output power. Found inside – Page 966Even some of the lower power lasers today are capable of burning a permanent ... Surgical drapes and endotracheal tubes are at high risk of ignition from ... Found inside – Page 238This class includes high-power lasers within an enclosure that prevents exposure to the radiation and that cannot be opened without shutting down the laser. Found inside – Page 360Most laser pointers are Class IIIa lasers, and many laboratory and low power laser ... Class IV lasers are high-power lasers (cw: 500 mW, pulsed: 10 J/cm2), ... Found inside – Page 468The most prominent effects are spectral hole burning and carrier heating. ... The recent development of high power laser diodes also enables applications in ... Found inside – Page 365In Missouri, a 3-year high school photonics program was established to address ... was actually used to burn CDs (I made a pointer that uses the DVD laser, ... Found inside – Page 54533.4.3 Laser Burns and Retinal Injuries Fortunately, these are relatively ... report burns incidents, and injuries from approaching high-power antennas or ... Found inside – Page 164Low - power laser diodes are used in laser pointers , laser printers ... power can be focused to high intensities and used for cutting , burning , or even ... Found insideVisible light: Found in laser levelling devices and laser pointers. ... a high-powered laser), as well as burns to exposed skin tissue. Found inside – Page 104The 500 mW infrared laser source used in this high power illumination device is an 808 nanometer pulsed mode module painfully hacked from a green laser pointer that was originally rated for 5-milliwatt output power. Since there are no laser ... Found inside – Page viiThe laser pointer is a source of coherent light , and the lenses serve to focus or ... Indeed , nowadays high - power continuous or pulsed lasers are widely ... Found inside – Page 139For example, an infrared light mainly heats up (thermal skin burns), ... High-intensity laser like Q-switched or mode-locked lasers causes even more rapid ... Found insideLasers at the high-power end of this class may also present a fire hazard and can lightly burn skin. Class IV Lasers in this class have output powers of ... Found inside – Page 18the diode laser module You can purchase diode laser modules at many places on ... the output of the this bag . laser could get too high . posing a safety ... Found inside – Page 216Care must be taken with laser pointers that produce an intense, ... Exposure to high-level lasers may cause severe burns and depigmentation. Found inside – Page 27Because many lasers in use were manufactured before the revised ... Lasers at the high power end of Class IIIb may also present a fire hazard and ... Found inside – Page 393A laser pointer is a typical example of a low-power CW laser. CW lasers generally have lower peak power than pulse lasers but have a relatively high average ... Found insideA laser pointer does not burn skin or reach to the moon, ... These lasers are ranked by power from lowest to highest: • Laser pointer: 1–5 mW • DVD player: ... Found inside – Page 105High. voltages. In every laser system used, energy has to be put into the lasing ... Diode laser pointers were formerly in class II, but higher power levels ... Found insideLasers at the high power end of this class may also present a fire hazard and can lightly burn skin. Many “laser pointers” at this output level are now ... Found inside – Page 19Today, it is accepted that even low-power lasers with only a few milliwatts ... a high power or Q-switched laser at these wavelengths can burn the cornea, ... Found inside – Page 216These consist of low - power lasers ( up to 0.4 4W ) or higher power embedded lasers . ... Laser pointers fit in this classification . Found inside – Page 227Class 1M lasers produce large-diameter beams, or beams that are divergent, ... Optical power levels can be up to 1 milliwatt, so many laser pointers are ... Found inside – Page 200High Intensity LED Flash Lights As discussed in other parts of The Vampire Survival Bible, ... Laser Pointers Just like the high intensity LED Flashlight ... Found inside – Page 327When you need high intensity in an infrared region, a carbon arc lamp could be ... diode with a proper power source is very cheap (recall a laser pointer). Found inside – Page 231Damage depends on the intensity of the burn. High energy injuries can cause corneal or lens opacity (cataract). Usually, the laser light will pass through ... Found inside – Page 198In the time domain, the high peak power of an ultra-short pulse can reach up to ... Laser pointer, several mW: damage the rena; blinking reflex helps ... Found inside – Page 174Most laser devices, including low-level and high-intensity lasers, have continuous and pulsed modes of light application. Laser instrumentation may include ... Found inside – Page 62High-power handheld laser pointers (up to 1200 mW) are now also publicly ... light cigarettes and burn through plastic bags, this study will show our ... Found inside – Page 6-35Some laser pointers and barcode scanners are Class 2 laser products. Class 2M lasers produce a highly divergent beam or a large diameter beam in the visible ... Found inside – Page 1753Scollo P, Herath G, Lobo A. Retinal injury by industrial laser burn. ... Dhoot DS, Xu D, Srivastava S. High-powered laser pointer injury resulting in ... Found inside – Page 59The optical power output, measured in milliWatts, does not cause damage (e.g. ... 400 nm to 700 nm (e.g. barcode readers, guiding lights, laser pointers). Found inside – Page 202This is due to the fact that very high intensity is focused on a very tiny spot. ... Even for a 1 mW laser (pointer) the intensity is still 380 W/m2, ... Found inside – Page 44Theodore Maiman characterized the first laser as having a power of one “Gillette” as it could burn through one Gillette razor blade. Found inside – Page 126Most laser pointers belong to this category. ... Class IIIb lasers, which are toward the high power end, may present a fire hazard or cause skin burn. Found inside – Page 13These lasers may be high‐power if they are confined within an enclosure that ... a Class 4 laser has a power greater than 500mW and can burn the skin or ... Found inside – Page 290Laser and other light therapy applicators generally have a fixed power, ... disease conditions and pulse structures.18 Because high-intensity lasers have ... 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