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  1. WMT - Walmart Inc.

    Yahoo Finance

    65.38+0.54 (+0.83%)

    at Fri, May 24, 2024, 4:00PM EDT - U.S. markets closed

    Nasdaq Real Time Price

    • Open 65.13
    • High 65.69
    • Low 65.01
    • Prev. Close 64.84
    • 52 Wk. High 65.69
    • 52 Wk. Low 48.34
    • P/E 28.06
    • Mkt. Cap 526.95B
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  3. Solar-pumped laser - Wikipedia

    en.wikipedia.org/wiki/Solar-pumped_laser

    A solar-pumped laser (or solar-powered laser) is a laser that shares the same optical properties as conventional lasers such as emitting a beam consisting of coherent electromagnetic radiation which can reach high power, but which uses solar radiation for pumping the lasing medium.

  4. Carbon-dioxide laser - Wikipedia

    en.wikipedia.org/wiki/Carbon-dioxide_laser

    Because of the high power levels available (combined with reasonable cost for the laser), CO 2 lasers are frequently used in industrial applications for cutting and welding, while lower power level lasers are used for engraving. In selective laser sintering, CO 2 lasers are used to fuse particles of plastic powder into parts.

  5. Laser power scaling - Wikipedia

    en.wikipedia.org/wiki/Laser_power_scaling

    Laser power scaling. Power scaling of a laser is increasing its output power without changing the geometry, shape, or principle of operation. Power scalability is considered an important advantage in a laser design. This means it can increase power without changing outside features. Usually, power scaling requires a more powerful pump source ...

  6. Solid-state laser - Wikipedia

    en.wikipedia.org/wiki/Solid-state_laser

    Laser rods (from left to right): Ruby, alexandrite, Er:YAG, Nd:YAG. A solid-state laser is a laser that uses a gain medium that is a solid, rather than a liquid as in dye lasers or a gas as in gas lasers. [1] Semiconductor -based lasers are also in the solid state, but are generally considered as a separate class from solid-state lasers, called ...

  7. Walmart Gets Laser-Focused on Lowest Prices Again - AOL

    www.aol.com/2012/03/29/walmart-gets-laser...

    Walmart (WMT) has put out an APB for shoppers: "We have the lowest prices all the time. Period." This week, the nation's biggest retailer detailed its $2 billion plan to "reinvest" in low prices ...

  8. Laser cutting - Wikipedia

    en.wikipedia.org/wiki/Laser_cutting

    Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications, it is now used by schools, small businesses, architecture, and hobbyists. Laser cutting works by directing the output of a high-power laser most commonly through optics.

  9. High Energy Laser with Integrated Optical-dazzler and ...

    en.wikipedia.org/wiki/High_Energy_Laser_with...

    The High Energy Laser with Integrated Optical-dazzler and Surveillance ( HELIOS) is a 60 kW+ high energy laser designed to intercept aerial threats such as drones, missiles, and other airborne targets and even small boats.

  10. Ultrashort pulse laser - Wikipedia

    en.wikipedia.org/wiki/Ultrashort_pulse_laser

    An ultrashort pulse laser is a laser that emits ultrashort pulses of light, generally of the order of femtoseconds to one picosecond. They are also known as ultrafast lasers owing to the speed at which pulses "turn on" and "off"—not to be confused with the speed at which light propagates, which is determined by the properties of the medium ...

  11. Extreme Light Infrastructure - Wikipedia

    en.wikipedia.org/wiki/Extreme_Light_Infrastructure

    The Extreme Light Infrastructure (ELI ERIC) is a research organization with the world's largest collection of high power-lasers. ELI operates several high-power, high-repetition-rate laser systems which enable the research of physical, chemical, materials, and medical sciences.

  12. Gas laser - Wikipedia

    en.wikipedia.org/wiki/Gas_laser

    Gas laser. A gas laser is a laser in which an electric current is discharged through a gas to produce coherent light. The gas laser was the first continuous-light laser and the first laser to operate on the principle of converting electrical energy to a laser light output. The first gas laser, the Helium–neon laser (HeNe), was co-invented by ...

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