Click a thumbnail to stare into the laser
September 4, 2002
Rear of a 2mW HeNe laser tube. Blue light from the helium gas quickly escapes the dichroic mirror before becoming coherent. A small amount of coherent red leaks out as well.
Full-power beam from the front of a 2mW HeNe laser tube.
E-mail me at kevinmcm@sonic.net.
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