CO2 Laser: The begining

CO2 Laser: The begining

I've decided to start to build a CO2 laser after seeing some on internet, like this one or this one. Moreover I've already made some project link with vacuum and high voltage. 

So here we are, I've start to build the main part the tube.

One end of the tube

The image above is a compensation plate, between the steel disk rubber flange which insure the tightness and with the 3 screws I can adjust the mirror.

The welding

Vacuum pump side

and the other side

transverse view of the tube

the whole tube