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Indeed, it's the 6th Edition (Indian release, they had tip-exed that part out though, haha) Look through the index for 'Telescopic Resonator' If it's actually covered at all. Hmm, well, I look forward to trying it out, but first I need a strong ol' laser.

Voice coils are for a separate thing. A voice coil is basically a really simple linear motor. If you apply current in one direction, it applies a linear force in one direction, and if you apply current in the other, a linear force in the other. So, if you pre-load it with some springs, you can...

Aha! You got a point there. Looking over yours, it makes perfect sense. Why would it reflect through the YAG if the mirror is transparent to 532nm... Derp. ... I was wondering about that, imagining losses of the green in the crystal. Well, there we go. I would logically be able to keep the...

Hello, No, my scope doesn't have that, you can see my scope here: https://i.imgur.com/KScAYu6.jpg So the likelihood is that there is nothing in my laser-scope, short of maybe 1 mirror and the Q-Switch possibly, that would be useful in me building a linear cavity? Amazing how far prices have...

Indeed, well you can see my resonator design further up the thread where I've taken a picture of it an drawn out the beams to my knowledge. I have the so called 'bible of solid state lasers' (Solid State Laser Engineering by W Koechner) but a good bit of it goes over my head, though I can...

I am not stupid enough to argue with that. I am stupid enough to ask if I could set up a resonator using the existing parts from the system in a simple YAG assembly (with or without Q-switch) Or would it be a very bad idea to take apart the Z-fold as it holds more value assembled in the way it...

That was just one idea I had been considering, however if it's not quite that easy without major re-cal, I'm not loosing any sleep over it. I had figured that would be the case. I haven't had a chance for assembling a low power system yet, no. But it seems many of the components are easier to...

Ah yes, I came across that thread before too while researching. The main idea is yes, to build something from scratch. I don't know much-if-anything about the Z-Fold set up. I would be wondering if I can save myself some good money using the mirrors from it, I am not certain, but believe to a...

Ya can see on the links I gave, and I mentioned it in the first post, but yes, it's Diode pumped. :san: I don't know how much money more I'd need to be saving for a fiber laser, but realistically, I figure it would be fun to make this into an assembly, a good learning project, and I'm curious...

You are certainly correct. On all accounts. :)

Hello LPF, So, I posted a while ago about a laserscope I purchased (I still have it, sitting at work under a Poly sheet, gathering dust) I realised, redoing a flash-pump controlled YAG system would be extremely expensive and I would need a lot of time to do so, plus a lot of experience. So, I...

I've got a ruby rod here too, it seems in pretty good nic, only a few tiny chips in the edges of the ends. I came across this site, they have quite a lot of parts for Ruby Lasers, including a bucketload of mirrors: Laser Sources Ltd - Ruby laser line optics. 694nm. Output couplers, rear...

Yes, It is nearly / is white when I look at it without my phone's LED light shining at it (just the florescent bulbs above me) I gathered the cavity would need to be completely redesigned. I was already thinking of side pumping. Good motivation for me to get on with my vacuum chamber so I can...

Indeed :p I wonder how many diodes I can pump into that rod... and for that matter, how can I tell what type of doping the YAG rod has.. and how much does it matter to me? (a lot I'm betting from what I have read...)

Ah cool, interesting! I'm beginning to feel my laser is old tech, I'm looking on youtube and seeing these 80W lasers the size of my wallet with a power supply the size of a keyboard... compared to my filing cabinet!

Indeed! I can easily fit an entire houses power supply though my 70kV transformer if I was man enough to raise the input voltage. It's rated for 25kW! (momentry) It looks crazy enough on 80V input, let alone the 450V input!

In my mind from the HV hobbiest forums, It's not real fun until you need a forklift!

Yes, this one is 230V @ 40A, has a beautiful 1:1 isolation transformer in it.. Buying the unit for that alone was worth it to add to my 40A Variac stack. Where am I? Other end I'm afraid! I'm in Dorset (South) area! We do have HNCs down here, it's a work based path towards degree...

Well fuck... it's a good thing it failed to power up properly earlier on.:wtf: I'm going to be shaking every time I run a test with it now... probibly for the better! If I wanted an easy project I would have become a woodknocker! Cool, I can knock this up with a small graphite crucible I have...

Thank you for your reply! I understand where you are coming from, currently I have it in the company workshop holed up to a side. I've read a good few horror stories on the forum. I understand about how dangerous even dropping something vaguely reflective in the beam (as bad as anodized...