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Dear Laserfriends just saw on ebay a yellow HeNe for US$200, maybe someone is interested. Please note, this is not my offer, so I don't guarantee for anything at all. Seems there is no power supply with it, but this should be easily found or self-made. Research Electro Optics Lhyr 0250M Class...

Dear Laserfreaks out there After some time of Laser-absence, I've got a new toy, it's a HeNe with yellow beam. It came in the original packaging and I think it has been more or less unused. Manufacturing date was Oct 2006 according to a sticker. Here some pics: ...and some pics of the...

Hi Guys ;-) Today, I performed the monthly run of my little GreNe-Laser. The following pics were taken: High reflection side: Cathode: Tube voltage was about 3kV, tube current about 6mA. Best regards argon

Dear Laserfreaks out there ;) Recently I acquired a complete low power argon laser system for very little money :D It is a Uniphase 2201-20SL (20mW single line 488nm) with a power supply 2101. The system works, but there is a strange thing: Even after the laser has fired and works normally...

Dear Laserfreaks out there :yh: It's been a while since I posted last time here. Now I come up with a starting problem regarding a jdsu uniphase 2213 argon laser. I bought this tube for little money, without power supply or cooling unit. At first, I thought to test the tube just with a very...

Hi guys out there ;) My second hobby are experiments with high voltage stuff (tesla coils and a lot of other hv-stuff). I would like to show you some of my vacuum high voltage experiments I made in the last few weeks. With the following vacuum pump and a very simple high voltage generator...

Dear laser-friends out there ;) Recently bought this nice little blue 100mW DPSS with power supply/driver from CNI rather cheap (about 150 Euros) :yh: The beam looks similar to the main beam of an Argon-Multiline Laser. The intensity of the beam can be modulated via an analog input signal...

Hello @ All :yh: Just found this cool forum. My age is 34 and I'm interested in lasers (mostly gas-lasers) and high voltage since many years. Equipment: 2 HeNs LGK7638, 2 Argons ALC-60X, 1 Argon-Krypton Melles Griot 643 and some pointers. More information you'll find on my webpage (only...