Refilling helium-neon (hene) laser

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Re: Refilling helium-neon (hene) laser

by thycore » Sun Dec 22, 2019 9:12 am

Nice info here :

http://www.k3pgp.org/Notebook/Lasersam/ ... htm#htrtrr

Soaking in helium should be avoided while running the laser head to avoid any arc, I’ll document in video my attempt for my laser and we’ll see :-)

Refilling helium-neon (hene) laser

by thycore » Sun Dec 22, 2019 7:11 am

Hi, I figured it would be nice to have a fresh new topic on refilling hene lasers.

I might have an issue with my current hene tube and it was proposed that I store the tube in a helium-atmosphere.

Basically put my laser in a bag full of helium for a couple days.

I read somewhere the pressure inside the hene tube is of 1 Torr which is like 1.3mbar, so the bag does not have to be in high pressure to help with helium transfert, it just has to be over 1.3 mbar which should be okay

Any other ways to do it ?

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