Old 01-30-2012, 12:02 PM #17
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Rep Power: 31
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Default Re: Help wanted - 30 years old HeNe made in Czechoslovakia (Pic heavy)

Well, yes, but there is 36VDC inside. Still...


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Fenzir: So why is it that we want these kind of diodes? I don't understand.
anselm: Because they emit coherent light, that's why....
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632nm 8mW Tesla 30 year old HeNe made in Czechoslovakia
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