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I have both, and I might be able to be coaxed out of them if the price was right, but that's an expensive pair of lasers! they were 4-500 dollars each.

This is very nice I’ve always wanted to make a portable laser in this wavelength! Very quality work it looks like. Enjoy it! Yeah my 3 watt genesis is amazing to behold for sure, but it’ll never have the practicality of a little portable like this for general ‘fun’ purposes! :)

you almost certainly destroyed the power supply, but it shouldnt affect the tube. though if it doesnt glow under RF it probably has no gas in it. it should glow against a plasma globe generally unless something is very wrong.

yeah, cleaning optics is literally both a science and an art in and of itself, and entire series' of textbooks can be dedicated to the subject. its....quite vast.

Yeah particles are bad, but it goes even further than that, the fibers alone in the cloth are abrasive and never fully clean generally speaking either, so any contact invariably causes at least some scratching, even if you cant see it. This is an application where being a clean freak is actually...

I’d be happy to go through it for you if you’d like, though honestly it’s actually probably best to leave it as it is. As for the splash light you likely won’t be able to get rid of that. At these power levels even the tiniest of infractions to the glass is going to show. A cotton swab alone...

Oh so you bought it. Cool. Howd i miss this? Welcome to the 577 opsl club! I should run mine more often. Its loud though. The fan is a beast.

I don’t see anything obvious in the manual about six blinks. Unfortunately I don’t have a lot of context for what the error entails. Can you disconnect the rs-232 and describe to me exactly what happens after you push the start button? As much detail as you can give me.

Melles Griot doesn’t really exist anymore. They were bought out by IDEX a long time ago. They haven’t supported lasers in a long time they mostly only make optics now. As for your error code I’ll take a look into it and see what I can find out and get back to you. I actually have this exact...

Nice. I've always wanted a big one like that. they're glorious :D I would have to find out what the 6 blink code is. It sounds like no tube current, which would be a power supply regulation issue. but Idk for sure. if you have the software or remote it will tell you in english. and it's normal...

Orange has always been arguably my favorite. Nice purchase, sure you paid a decent chunk for it. phil doesnt let these go cheap. That looks like one of the LOR-161s he got a while back. 3.5mW isn't bad. They're supposed to do 4+ but I've only ever run into one that does that much. most of them...

I’m just glad it was savable. Nice job! Just a clarification for lpf, this isn’t the largest helium neon in the world but it is definitely one of the biggest commercially sold ones! Nice pics too!

Yeah I’ve always wanted to try doing it. Theoretically it should be doable but you would have to have someone who can fabricate things for you, which I don’t have. Theoretically you could just make a cavity that is tec cooled, and pump a tiny ruby with huge leds or laser diodes of the...

i’ve personally never tried doing a CW Ruby but it requires extreme cooling to do, in order to depopulate it fast enough. it would be interesting to try with a little tiny block of ruby though. i’m betting if you had a tiny sliver of it like would be found an a DPSS laser, Multi stage tec...

Looks like a good one to me. If it has no scratches or chips in the faces, and is clear and monocrystalline when you look through it with no bubbles or deformities or anything, then it should be fine to use. 240mm x 15mm is quite large. The diameter might make it a bit challenging to pump...

I've worked with some really big ones, the largest being from a Korad machine that was quad pumped and about the size of a billy club/baton. I could've beat someone over the head with it. it was huge. The large one that I do have I don't remember the size of. most of the ones I use are quite...

That’s because they’re not anymore. The original picture host changed it’s policy in those pictures no longer exist. I’m sorry I haven’t replied as I haven’t been on in quite a while I do have several rods and mirrors, but none are presently in a laser. Making a ruby laser isn’t super hard, but...

Looks like an omni 643 RYB

Yeah I would imagine its not so much an issue of fabricating it, but rather expensive due to non-standard, uncommonly used parts, so it’d be expensive simply due to low demand.

It’d depend heavily on the build and parts used. I’d judt test them with a bench supply with a very low current limit. A diode test could give clues too