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laser

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "laser" originated as an acronym for "light amplification by stimulated emission of radiation". The first laser was built in 1960 by Theodore H. Maiman at Hughes Research Laboratories, based on theoretical work by Charles Hard Townes and Arthur Leonard Schawlow. A laser differs from other sources of light in that it emits light coherently. Spatial coherence allows a laser to be focused to a tight spot, enabling applications such as laser cutting and lithography. Spatial coherence also allows a laser beam to stay narrow over great distances (collimation), enabling applications such as laser pointers. Lasers can also have high temporal coherence, which allows them to emit light with a very narrow spectrum, i.e., they can emit a single color of light. Temporal coherence can be used to produce pulses of light as short as a femtosecond.
Among their many applications, lasers are used in optical disk drives, laser printers, and barcode scanners; fiber-optic and free-space optical communication; laser surgery and skin treatments; cutting and welding materials; military and law enforcement devices for marking targets and measuring range and speed; and laser lighting displays in entertainment.

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  1. T

    Recommendations for a red or green dot laser for Springfield XDS 9 3.3" barrel subcompact?

    Any ideas on those that would hold zero? Thanks!!!!!!!!!!!!
  2. S

    S&w m&p 2.0 with integrated crimson trace laser 9mm

    I’ve got a 9mm s&w m&p 2.0 with a integrated laser. It has about 250 rounds through it I’m asking $400 or looking for A trade. It comes with the two mags and a holster.
  3. LandHawk

    NIB Glock 43 / Lasermax Laser / Ameriglo Nightsights / +2 mag ext / Crossbreed IWB Holster / etc

    New in box never fired Glock 43. Ameriglo night sights. Talon grips Lasermax Guiderod Red Laser (turns on and off with finger push of takedown lever) Taran Tactical +2 magazine extender Vickers Tactical +2 magazine extender Crossbreed IWB conceal carry kydex holster. $600 If you don't...
  4. Dobbler

    WTS OR  Crimson Trace Laser Grips Kahr MK9 MK40 LG-461

    Like-new condition these grips are out of production by Crimson Trace and the only laser grip option for Kahr MK9. Original factory box with paperwork and tools. Also including custom hex stainless grip screws to complete this upgrade package. For technical specifications, see: Laser Sight...
  5. CountryGent

    Laser Engraver, Side Biz Idea, etc.

    So, I am working on another NFA Form 1 project. One of the steps, of course, is engraving the Trust information on said. I'll likely take it to a local shop as I've done in the past, or send off the part to a firm that specializes in said. That said, out of curiosity I looked into what that...
  6. BenjaminTrif79

    WTS OR  Sig lasermax guide rod

    I have a brand new lasermax guide rod it's only been tested and it works flawlessly it comes with extra batteries. 300 cash.
  7. S

    SW M&P Shield 9mm w/ factory Crimson Trace Green Laser

    I have put less than a hundred rounds through this firearm however I am the second owner so I can't be sure exactly where its at. It will come with everything it came with from the factory. Plus two soft holsters one IWB one OWB. I only need to trade this because I need a full size duty pistol.
  8. Cow3oy wayne

    Smith & wesson governor w/crimson trace laser grip

    Barrel 2.75 inch Caliber .45 colt .45 acp. 410 2-1/2'' Lg-306 model crimson trace laser grip Everything from original box still there. .45 caliber gun cleaning kit MSRP $1,149 Selling for $600 plus $30 transfer fee
  9. RaceFan

    Improved Accuracy with Laser

    I have never used a laser on a pistol until a recent purchase: P938 9mm with an integrated CT red laser. I LOVE IT. A couple of flyers as I was getting used to the 1911-style trigger. The pistol didn't seem to care whether I used 115gr or 147gr. Target at 21 feet. I didn't have a tiny torx screw...