MadSci Network: Physics
Query:

Subject: Why does glass glow orange when a green laser passes through it ?

Date: Sat Apr 14 05:31:50 2001
Posted by MIke Harrison
Grade level: nonaligned School: No school entered.
City: No city entered. State/Province: Essex Country: UK
Area of science: Physics
ID: 987240710.Ph
Message:

I recently noticed that when I fire an argon laser (about 10-20mW, 488nM single-
line blue-green) through a block of glass, you can see a very faint orange glow 
in the path of the beam as it passes through the glass (viewed at right angles 
to the beam path) - what causes this ? I've tried several pieces of glass from 
different sources and they all behave the same.  


Re: Why does glass glow orange when a green laser passes through it ?

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