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As for my entry. I don't know if I'd define it as sketchy based on the criteria others are following. Though it's one terrifying hunk of photons. I know it works though. I took the pic :)

Nice to finally see the annotated picture. Very interesting how just the pickoff alone can single-handedly screw up the entire cavity. Sending the wrong signal to the TEC, cooling or heating the diode more, throwing off the wavelength, and messing up the conversion ratio. On top of modes and...

Hmm... This happens at Christmas? I'm down. Sign me up for a 561nm.

So I decided to make a thread for fun-facts. Not saying I am going to dump daily facts here. Sort of just like a random fact from time to time that you want to share. So I will start! Fun-fact. Laser mice don't work on top of diffraction gratings. I assume this is because the light...

I don't see any images either. When I open them in a new tab, I get a 403 for forbidden.

Re: [FEELER] CNI cheap <5mW pointers!!! 561nm has been bought before in the PGL-III-C format. Though they quoted me $800 for any output from 5-20mW. Though that was upwards of a year ago.

Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please MG-532 Tunable Argon Ion (sans PSU/fan/umbilical) Melles Griot 532 AP A01 Tunable ion Laser | eBay

It just comes down to supply and demand. Honestly, the tube is cheaper for what goes into it as there are two less dielectric mirrors. Though they are made specially. They are made in much smaller batches, some are made-to-order. Rather than the mass produced 632.8nm HeNes. Also, the...

I really need to get back to that gas portion. It's still very lacking. EDIT: I really need to touch on the ion section. Someone added to that, but there is a great difference between Ar/Kr and HeCd/HeHg, and even still, CVL/CuBr/CuCl. Though, they did a solid job explaining the Ar/Kr side...

Re: Feeler | New CNC Machined Custom Designed Host for $18 I'll take 3 :) 1 as a white matte, another black matte, and a third with the copper upgrade and mirror polished :)

Libra Cock ... erm Rooster ... :whistle:

I made a nice Jazz/Swing playlist on Pandora. Currently in it's "grooming stage". This is basically where I thumb up/down a LOT of songs until it is perfect. Anyway, this came on, and I needed to share. So get some JAZZ in your life :cool::cool:

I just watched this lecture that covers mostly pulsed lasers, mode-locked lasers, things in that domain. From past to future. Wonderful lecture, I recommend it to anyone really into the science of this hobby, and wants to further their grasp on the technologies out in labs and things beyond...

Hello all! I am hoping that someone here can do better than Google, and get me really what I am looking for. I am making a fairly heavy request, but I know what I am looking for has to exist somewhere. I am looking for a software that will allow me to basically play in my own cavity/resonator...

You could try testing what some sources say with an ohmeter and tracing back the leads from umbilical to head. With umbilical connected. So if it's 115VAC hot, clip a connector to tube anode, and put a pin on where the source says the 115VAC pin should be. Same for pot, monitor, and remote...

Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please Lots of Thorlabs gear up on the bay by a certain seller. If you go tot heir store, you will see posts, post holders, etc. For bulk and cheap :) For instance, this: 8 Thorlabs TR1 5 1 2" Optical Post Length 1...

Bump! I have retuned from SELEM with goodies. Some things I know I am buzzing about. I hope y'all feel equally pleased with them once all of it comes together :) Still looking for parts. I am currently loaded up on SHG@1064 equipment. From mounts to crystals :). However, still need a...

I think it would be very possible to wire this to do 100Hz at a much lower output.

It's worth a shot.

Always neat stuff around :) pulsed at 2hz ish, but cold maybe be repped faster to around 10-20hz if you poke around. No idea. There are 2 other similar units for $1. One ending in 22hr. LUMENIS Quantum Laser - IPL Sale