[Laser] Free for the Postage 15 milliwat tube laser

[J. Forster]

Helium soaks do work, but they require a lot more care and controlled
conditions than suggested.

-John

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> Sam's has a boat-load of repair tips on dead or dying He-Ne lasers. About
> the wierdest one i read was the "helium soak" - to replace leaked helium.
> You can place the dead tube in a plastic bag, squirt some helium inside
> (from a toy balloon) and seal it up for a few days... each day "soaking"
> can replace a years worth of leaked helium.
> http://members.misty.com/don/laserhtr.htm