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Old 05-31-2012, 01:32 PM #17
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Default Re: What is your OLDEST HeNe or other gas laser (working)?

Quote:
Originally Posted by VidalWolf View Post
1973 spectra Physics 4 mw he-ne its a model 132 I think.
That's impressive!


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Old 06-03-2012, 12:07 PM #18
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Default Re: What is your OLDEST HeNe or other gas laser (working)?

the oldest I've got is manufactured in Nov 1988 (Helium Neon from JDS). It had operated for over 20 years when I bought it and it still works perfectly without any visible degradation.

P.S. Apparently the very first gas laser (now in smithsonian museum) is still in working condition.

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Old 06-24-2012, 01:36 AM #19
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Default Re: What is your OLDEST HeNe or other gas laser (working)?

My oldest gas-laser is a shool physics teaching HE-NE-Laser of the year 1984.
Manufacturer ist Phywe and the power is 5mW.
See the pictures from today:







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