Old 01-22-2010, 10:54 PM #1
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Default HeNe lamp too powerful?

Hey forum

I'm building a HeNe laser lamp similar to Jayrob's but with some tweaks.
I noticed that he used a ~3mW, my question is whether it is safe to use the 14mW I just got. The tube was originally 14mW however it was sold used, so I suspect it is lower.

Will the light coming from the exposed portion be "safe" to use as a lamp? (not the beam of course). If not, will using a weaker power supply or enclosing it with frosted acrylic help?

HeNe's are new territory for me so if anyone has suggestions that would be grand. Thanks

05lhr182 Melles Griot


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Old 01-22-2010, 11:06 PM #2
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Default Re: HeNe lamp too powerful?

The incoherent light from the plasma discharge isn't going to hurt anything, my 35mW HeNes here are awesome to look at without the cover
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