Difference between revisions of "Laser"
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Laser beams are [[phase coherent]] and self-[[parallel]] (they do not spread out), due to the way they are created. | Laser beams are [[phase coherent]] and self-[[parallel]] (they do not spread out), due to the way they are created. | ||
| − | The use of lasers is very important in [[science]] and [[medicine]]; they have also become ubiquitous in [[ | + | The use of lasers is very important in [[science]] and [[medicine]]; they have also become ubiquitous in [[CD-ROM]] and [[DVD]] players and as pointers. |
[[category:technology]] | [[category:technology]] | ||
Revision as of 16:04, August 17, 2007
Laser is a word formed from the acronym "Light Amplification by Stimulated Emission of Radiation."
Laser beams are phase coherent and self-parallel (they do not spread out), due to the way they are created.
The use of lasers is very important in science and medicine; they have also become ubiquitous in CD-ROM and DVD players and as pointers.