what would this HeNe laser be used for?
A friend gave me a Melles Griot 05-LLR-811-249 he had lying around his house.
It's a 1mW 632.8nm red Helium Neon laser.
Full specs can be seen at: http://users.df.uba.ar/padulo/archives/0.5%20-%201mW%20self%20contained%20He-Ne%20(red).pdf
What would it be used for?
What cool things could do with it?
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