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Melles Griot 05-LGR-193-381 4mw HeNe 543nm I've wanted a green HeNe for a long time... I like it!!! And I had to run all three for fun... Beams didnt come out as well as usual though...

JDS Uniphase 2214-40MLA 458-515nm Argon-Ion Laser Head +2114B-40MLA Power Supply | eBay 3 available at about $340 each ($80 shipping)... but they accept offers... not bad for a multiline. You just need a fan.

I though you folks might like this, so I figured I'd document the process. My Multiline was running very hot and I noticed a lot of dust and blockage on the cooling fins, so I decided to strip the head and clean it. The only part I didn't document was the front plate and circuit board. Those...

Pic will follow tonight - I just used my lunch hour to pull it out and do a quick test. Came out of a Beckman 488nm Laser Module.. Everything is there - fan, PSU, head, nice little electrical connection block... This one is single line only. Model 2212-4slbk... Specs say 4mw... yeah right...

Just wondering if anyone uses one of these for a large argon like the lexels?

New setup testing today... New-Setup-Whitelight-3 by Christopher Purdy, on Flickr New-Setup-Whitelight-4 by Christopher Purdy, on Flickr New-Setup-Whitelight-5 by Christopher Purdy, on Flickr

So - I've been digging into the cooling side of things. Specifically, because my argon is still having thermal shutdown issues when running above 20mw. I currently have a 6" and an 8" inline duct booster fan in series. The 6" pulls 250cfm in free air, and the 8" pulls 500cfm in free air...

I setup a whitelight projector this evening and here are some pics of the setup.. Argon was running around 30mw and HeNe around 18mw. White-light-setup--1 by Christopher Purdy, on Flickr White-light-setup--2 by Christopher Purdy, on Flickr White-light-setup--3 by Christopher Purdy, on...

Just curious - as you up the power and more lines appear, what order do they appear in? For example, mine is showing 5 lines, but I have no idea which they are... And what would be next if I could tweak it enough to get the sixth?

Sorry for a new thread but I'm in desperate need atm.. So, my argon is all set, and I can get barely any output.. so after reading and reading and more reading I determined that the tube is a bit out of alignment. I put a long rod on the rear output side of the tube, and with extremely gentle...

Found this on the 'bay: Beckman Coulter 488nm Laser Module Lif 488 Lif 488nm 2214 25ml Cat 727620 | eBay Its a Beckman Coulter laser module and it has a 2214-25ml multiline JDSU in it... I'm shocked..... I finally sold my guitar amp and had and extra hundred bucks in the kitty from the...

Wow - 18mw of HeNe is BRIGHT! Theis tube is pretty much brand new. Not a mark on it or the PSU. ...and now, what I know you really want are - BEAMSHOTS! Running an interferometer setup: hene-2 by Christopher Purdy, on Flickr And just some multiple bounces between mirrors.. hene-1 by...

I found this over at hackaday.. The author goes pretty deeply into the methodology of getting a ruby rod to lase and what is required. He also goes into the construction of a power supply for the flash-lamp and types of flash-lamps. Its not up and running yet, but is a great explanation on...

As I mentioned over in Gas Lasers... I have wanted to do Holography for about 15 years or more... I had build a concrete platform for my setup and then lost interest back in the day... Well, its time to get back to work! Here is the table as it sits: Untitled by Christopher Purdy, on Flickr...

Not sure why I dont find this listed anywhere... but if you need a super cheap beam splitter, do the following.. 1) Go to goodwil or salvation army. 2) Buy a $1.00 plate glass picture frame 3) Buy a glass cutter at home depot (around $8.00) 4) Make as many beam splitters as you need. Not sure...

As I'm getting back into the hobby, I'm pretty optic-less... at the moment. Anyone have some random optics they want to get rid of (read give away or very cheap)? Or, if someone has an old LCD projector that is not working, I'd love to scavenge that.. Mainly I need a beam spliter and a beam...

I'm back in business! There are a few of these on ebay - tested with actual measured output. They are all listed at $180, but I made a $125 offer and it was accepted! Here is the auction link: Coherent 18.5mw HeNe I'm looking forward to getting into some holography with this... something I...

Hi guys, I just found one of these local to me and its a good price... Now - before I go and sell a kidney - what do I need to know? I would be setting this up in a basement with access to water and I could probably add a seperate circuit for it, although I only have 20A... Seller says its...

Thats it - I've been out of it way too long, and I'm jonesen for some coherency in my life! I have hung up my Les Paul and am not playing much anymore - so my 100W Mesa Nomad amp head is just collecting dust. I'd value it around $5-$600. I would sincerely LOVE to get another multiline argon...

This one on the 'bay... G105660 Spectra Physics 2020 Argon Krypton Laser Head w 2560 Control | eBay