Anatomy of a Laser Tube, how a tube really works | Tips and Tricks for Laser Users Owners

Hi Guys,
Welcome to another video, I have always been curious about how is a tube in the inside and how it does what it does, well on this video, we will see in-depth the different parts of a tube, we will skip a little the very basics and we will cut the tube so we can also see their inner parts from a different perspective.
I have seen this coil inside that intrigues me what is that for? if you guys have an idea please, PLEASE let me know ;)
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[@esmirhodzic981]

My friend, I think the outter most layer is not just an enclosure, but it also contains the GAS ,and the spiral tube is just a pathway so that the gas can circulate. It should aid the recombination of C and O atoms,because the gas that just LASED needs some time to be used again so it circulates so that new gas is LASING until the old atoms recombine and are ready to LASE again.

[@kg4lod]

This is basically correct. The "first" ring of space (from the outside of the tube working in) is filled with CO2, then water, then CO2 again (where the laser beam is created). In fact, the CO2 is added to the tube (at the factory) into this first (outer) cavity. That piece of glass sticking out the front of the tube above the laser emitter port/lens/mirror/whatever-you-call-it, is (or rather was) the factory fill port. At the factory it's a tube with an open end, the CO2 is blown in, and while still in the CO2 pressure chamber, the ends of that glass tube are melted closed sealing in the CO2 gas. So that outer cavity and inner cavity are connected by that sprial wound tube. There's some physics (which I can't remember) that explains why a long tube is necessary (or, rather, works better) for (re)combining the spent gas and they just make it spiral to fit it in a smaller space (e.g. inside the laser tube)

[@nasrahmed6236]

Thank you so much lasermania you are great sir
I realy enjoy

[@mandersingh6120]

Thanks for the info 👍

[@carlosalegre3139]

Very interesting

[@LaserManiaOfficial]

Glad you think so!

[@sar_mj]

I have 100w tube, that tubes lens is crack but still working,can we replace lens in tube

[@cnczero3414]

Hi, I have a question about this co2 laser. do you know happen on my co2 laser tube is it a brandnew. title: Co2 Laser beam dancing around. thanks

[@cpsribeiro]

Search for "CO2 laser arcing inside tube". It's possibly caused by impurities in water and grounding problems.

[@paradigm_sh1ft532]

Wondering if you can help me.
I own a 75w tube. Have had it for 6 years, but have never used it for heavy duty cutting.
Mainly rastering on plastic/acrylic and vectoring 0.5mm plastic sheet.
It has recently began producing patchy raster results. Some parts of the letters are fine, others not even cutting in.
I think it's my mirrors/lens but my manufacturer insists that my tube is nearly depleted.
Before I go spend thousands of dollars on a new tube, I thought I'd ask around.
Thanks.

[@LaserManiaOfficial]

hmm, after 6 years? how many times did you replace the lens and mirrors in that time?. About the tube, if you see the light that passes through it is white, tube is OUT, if it is pink/purple it is still in good shape, let me know

[@paradigm_sh1ft532]

@@LaserManiaOfficial I had the the mirror above the carriage replaced about 2 months ago. Some materials come up fine on their power presets, other materials are not yielding results.
As for the tube itself, I've never actually seen inside of it. It's encased in about 7kgs of steel.
I appreciate your response. Happy to take on any more pointers you may have.
It's a Universal 75w PLS if that helps.

[@kanekeylewer5704]

Depending on how you use it, CO2 laser tubes will not typically last 6 years.

[@MuhammadAmin-ee6se]

Need some help. My machine is not working well

[@jraltwies]

I'm guessing the coiled tube is maybe for evacuation of the air maybe?

[@LaserManiaOfficial]

yes, probably I am thinking the same thing

[@rainraingoraingorain]

Hello
I want you to ask for your mail about for buying CO2 laser gas tubes equipments. Could I buy from you?

[@henrymach]

I thought the glass would be thinner but it is surprisingly thick

[@LaserManiaOfficial]

me too, it was stronger than I thought, I was not sure I would be able to cut it, I though it may brake in my hands before finish the cut

[@samir85789]

Hi

[@samir85789]

How r u

[@freshengineers1806]

How to fill CO2 gas in the tube. Please make one video

[@kg4lod]

[From my comment above] Looking at the cross-section of the tube, the "first" ring of space (from the outside of the tube working in) is filled with CO2, then water, then CO2 again (where the laser beam is created). The CO2 is added to the tube (at the factory) into this first (outer) cavity. That piece of glass sticking out the front of the tube above the laser emitter port/lens/mirror/whatever-you-call-it, is (or rather was) the factory fill port. At the factory it's a tube with an open end, the CO2 is blown in, and while still in the CO2 pressure chamber, the ends of that glass tube are melted closed sealing in the CO2 gas. So that outer cavity and inner cavity are connected by that sprial wound tube. There's some physics (which I can't remember) that explains why a long tube is necessary (or, rather, works better) for (re)combining the spent gas and they just make it spiral to fit it in a smaller space (e.g. inside the laser tube)