Laser

Discussion in 'Apple' started by sona, Dec 26, 2008.

  1. sona

    sona Guest

    A laser is a device that emits light (electromagnetic radiation)
    through a process called stimulated emission. The term "laser" is an
    acronym for Light Amplification by Stimulated Emission of
    Radiation.Laser light is usually spatially coherent, which means that
    the light either is emitted in a narrow, low-divergence beam, or can
    be converted into one with the help of optical components such as
    lenses. Typically, lasers are thought of as emitting light with a
    narrow wavelength spectrum ("monochromatic" light).

    http://electronicstopics.blogspot.com/2008/10/laser.html
     
    sona, Dec 26, 2008
    #1
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  2. sona

    Salmon Egg Guest

    In article
    <>,
    sona <> wrote:

    > A laser is a device that emits light (electromagnetic radiation)
    >
    >


    What is the point of this post on this forum?

    Bill

    --
    Private Profit; Public Poop! Avoid collateral windfall!
     
    Salmon Egg, Dec 26, 2008
    #2
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