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Topic: Sapphire


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In the News (Fri 25 Dec 09)

  
 Sapphire Terminology @ DirtyArt.com (Dirty Art)   (Site not responding. Last check: 2007-09-20)
The first ever laser produced was based on the ruby chromium impurity in sapphire.
While this laser has few commercial applications, the Ti-sapphire laser is popular due to the relatively rare ability to tune the laser wavelength in the red-to-near infrared region of the electromagnetic spectrum.
In these lasers, a synthetically produced sapphire crystal with chromium or titanium impurities is irradiated with intense light from a special lamp, or another laser, to create stimulated emission.
dirtyart.com /encyclopedia/Sapphire   (296 words)

  
 Reference.com/Encyclopedia/Sapphire
Sapphire is the single-crystal form of aluminium oxide (Al), a mineral known as corundum.
Pink, yellow, green, white, and parti-color (multi-colored) sapphires are often valued less than the blue variety of the same quality and size.
A manufactured star sapphire called the Linde Star shows a very regularly-shaped and distinct asterism because the formation process is more tightly controlled than the natural version.
www.reference.com /browse/wiki/Sapphire   (523 words)

  
 Archive: Mid-November 2000 Issue (Cauldron and Candle)
Don't allow religious differences or religious bigotry to separate you from the holiday celebrations of your friends and family.
[02] ========= ========= THANKSGIVING ========= A Poem by Elspeth Sapphire ========= For sunshine gilding the mountain stream, For silent walks beneath moon's soft beam, For the joy of being part of a team...
For the Sun's warm kiss on a morning chill, For a spirit always willing to climb a hill, For teacher fields ready to till, For all of these, I give thanks.
www.ecauldron.com /cnc/cnc00nov2.php   (4668 words)

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