Bare HeNe W/ 12V PSU

[daguin]

Somebody needs to jump on this

http://cgi.ebay.com/12v-hene-power-...286.c0.m14&_trkparms=66:2|65:10|39:1|240:1318

Peace,
dave

 

[jnrpop]

Looks good, i msg ed him asking if he ships to Aus though, it says just US and Canada.... :
Nice find.

With these He/Ne, what sought of output would you need to have a visible beam, slightly visible in a dark enviroment that is, nothing outrageously bright.

 

[daguin]

Looks good, i msg ed him asking if he ships to Aus though, it says just US and Canada.... :
Nice find.
With these He/Ne, what sought of output would you need to have a visible beam, slightly visible in a dark enviroment that is, nothing outrageously bright.

With these little HeNe's you cannot expect much of a beam. These are usually bought as a collectors item. They are very cool to look at and interesting to learn about. With my first one, I just stared at the plasma in awe to see a laser beam coming out of it. You can see the beam with some sort of visualizer in the air, but it won't be visually impressive.

Peace,
dave

 

[jnrpop]

No worries yer would love to get one for the collection, and these little things started the hobby for me
always wanted to build one.
Also the ruby pumped lasers untill i found out what the most important part was, The Ruby rod-most expensive... ;D
Thanks

 

[Event_Horizon]

I'd buy it but I already have a nice little HeNe. The beam isn't much to look at in terms of brightness but damn is it ever a thin beam! The beam quality of a gas laser like that just blows laser diodes away.

See this comparison shot of a red laser diode, DX green pen, home built blu-ray and the HeNe beam, which is between the red and green beams. I'm still amazed at how thin and collimated it is.