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Man, how'd I miss this thread? nice man. good color representation in your picture too. it captures the difference pretty nicely. As for the process, yeah i'm pretty sure its a linear Yb laser with custom coatings.

Hey everyone, I've got an old Chromelase from bluesky sitting around I forgot about. Gonna sell it. :) asking $500 It's reaching the end of it's lifespan I think, but still outputs plenty of light. it's rated 20 and depending on whether you want power or beam profile you can get anywhere from...

usually in the case of the lamps it wouldn't have a coating, if it was made to be a filter, it'd be doped into the glass, but as alot of lampmakers now do that directly to the lamp glass if necessary it's not as widely common. and if it's loose in there, it's not a big deal if the water flow is...

Edit: nevermind. There usually is a plate of material in between the lamps and the rod in larger lasers to help protect the rod in the event of a lamp bursting, as they're incredibly expensive to replace. They also control water flow in many cases, but not sure in your case. one of my old lasers...

yes. up to about 3ms if you're doing the whole ruby florescence lifetime. Yag is a few hundred us if I remember correctly. though you can shorten it if you have precise enough electronics in order to preserve life of the lamps/energy requirements. I'm not positive of the electronics in mine, i...

yeah you really dont need much reflectivity at all as long as the back side is totally reflecting or as dang close as possible. maybe only 20% or so. most of the ruby lasers i've worked with had either a prism HR and a 20 or 40% range OC, or the other we handmade had a dielectric HR, and a 43%...

The difference is night and day. You actually get more power sometimes without the switch but over a much longer period of time, and it will be less consistant power wise. (you get the whole flourecense life vs a tiny part of it, but light is flowing freely) where as with the switch it will be a...

Yes it will, as the glass will potentially damage the rod unless it is contained in a flow tube or something. Also, no you shouldn't see any magnification through the reflectors. Generally these types of lasers are usually Planar-Planar, and if needed use thermal lensing to their advantage if it...

With the size of your rod, a small optical flat will do. you won't need a full output coupler unless you want one. a fine glass window would even have enough power to get a beam with a sufficient lamp input, provided alignment is good enough. Mine has a pair of air-spaced windows and a prism for...

^ yes. I think mine has 2x 3" lamps in series, and it has a giant 2x 47uF 2800V bank in it if I remember correctly.

nice. I almost bought that. I really need the mirrors more than anything. I need a new output coupler for mine.

I know! Those things are no joke!

yeah those fans are a beast. mine has two on top, and they sound like a jet taking off

I'll take it if you can wait till payday :D (tomorrow)

Its been a while since I’ve seen anything other than air cooled one. I believe you. But they’re not a ballast though. They’re gas reserves. They are the reason ions have to be run continuously otherwise they will go high pressure. The one on the omni is a ballast if I remember correctly-not...

Those lasers (at least the one I saw, were pretty small and didn't have a ballast. they do have metal fixings on them, but they're for the water cooling. Only a few very large Ions had gas reservoirs on them. and the omni's are the only ones that have a gas ballast. the tubing is not spare gas...

Fun stuff! The three mirrors thing can be a lot of fun if done well. Sometimes I can give you extra lines that you wouldn’t normally get and things. If you have a good stable Mirror mount and surface it’s worth a try. I have a big collection of mirrors. Can be fun seeing what they all do.

Yeah I’m not 100% sure how the ILT would handle that. Most ions have it running all the time regardless, for noise canceling, in order to prevent the arc plasma from oscillating or wandering.

Probably not worth it. Although you could do it three mirror resonator with care if you ran it constant current. Don’t do it with the light feedback/power control on. you’d confuse the snot out of the power supply and make it behave erratically.

Yeah. It’s a real shame that gas is finally dying out. There’s something very elegant and imposing about the glowing gas. Smallest Argon ion I have ever seen was about the size of a Coke can. It was about the power of a laser pointer, and used for a microscopy and scanning. It was a cute lil...