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  #1 (permalink)  
Old 10-31-2008
anand
 

Posts: n/a
Laser
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.co.../10/laser.html

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  #2 (permalink)  
Old 10-31-2008
MowGreen [MVP]
 

Posts: n/a
Re: Laser
Errr ... and to whom is this addressed ? How about an explanation of why
the sky is blue.


MowGreen [MVP 2003-2009]
===============
*-343-* FDNY
Never Forgotten
===============



anand wrote:

> 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.co.../10/laser.html
>

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  #3 (permalink)  
Old 10-31-2008
Shenan Stanley
 

Posts: n/a
Re: Laser
anand wrote:
> 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.co.../10/laser.html


MowGreen [MVP] wrote:
> Errr ... and to whom is this addressed ? How about an explanation
> of why the sky is blue.


http://www.google.com/search?q=Why+is+the+sky+blue

--
Shenan Stanley
MS-MVP
--
How To Ask Questions The Smart Way
http://www.catb.org/~esr/faqs/smart-questions.html


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