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  • Shadow's Avatar
    Today, 19:27
    This is great. My 16x just led'd so I'll pick this up asap. Thanks Junktronix.
    29 replies | 898 view(s)
  • infredible's Avatar
    Today, 14:36
    Check Google/Youtube for Photogrammetry Simple way to generate a fairly high resolution 3 model by only using a regular consumer digital camera. Fred.
    2 replies | 22 view(s)
  • Junktronix's Avatar
    Today, 14:23
    5.6mm with 2 isolated leads so no photodiode
    29 replies | 898 view(s)
  • VDX's Avatar
    Today, 13:55
    ... you can try 3D-scanning with one of the smartphone APP's - https://3dscanexpert.com/3-free-3d-scanning-apps/ Viktor
    2 replies | 22 view(s)
  • Shadow's Avatar
    Today, 13:55
    What size is the diode itself? 9mm?
    29 replies | 898 view(s)
  • sinfocomp's Avatar
    Today, 13:38
    all copyed, and triple saved, done!!! Ed.
    30 replies | 579 view(s)
  • maxcady's Avatar
    Today, 13:38
    There's a sculpture that needs to be represented in the Sharjah design biennial show and we don't have enough budget to ship the sculpture over there. We now want to have it represented in the show as a laser animation or even a laser still image. does anyone have any experience doing 3D...
    2 replies | 22 view(s)
  • mixedgas's Avatar
    Today, 13:12
    Ed, let me know when you have all this copy-pasted and have grabbed the links. There is one post here I'd like to redact. Steve
    30 replies | 579 view(s)
  • Zachariah's Avatar
    Today, 13:03
    Just recently got a Emma laser rgb 24b and the green diode brightness adjustment knob failed cutting all power to my green, is there any way to bypass it so itís back to full power?
    0 replies | 28 view(s)
  • sinfocomp's Avatar
    Today, 12:00
    i have invested weel over 2 years on this, and not giving up on it, i have found many incorrect ways of doing it, and if i keep trying i will eventually find the correct way. and each day that passes im one day closer to sucsess. Regards Ed.
    30 replies | 579 view(s)
  • sinfocomp's Avatar
    Today, 11:53
    materials used 1x pentiun 4 heatsink $10usd 1x arduino nano $5usd 1x arduino termocouple amplifier $5 1x 2 line txt LCD $5usd many hours of investigation on calorimetry, plus many more on arduino programing language $$$$$ im developing a new vesion using a TEC instead...
    12 replies | 3705 view(s)
  • juanma666's Avatar
    Today, 10:02
    juanma666 replied to a thread Problem with projector. in Help!
    Hi, Adam. Yes, I have another kit on one of my projectors; this weekend I will replace amplifier X to see what happens... And I will substitute Chinese red driver for StanWax Lowell LP. Thank you. Best regards.
    13 replies | 295 view(s)
  • VDX's Avatar
    Today, 09:33
    ... yes, 150 Watts for a CO2 laser is no problem -- I'm using single NIR laserdiodes with CW-powers of 30 Watts or "bundled" with up to 180 Watts (6x30W on a spot of 0.3mm diameter), what's too hard to measure at full powers with my actual power meter. Have some "Ulbricht-spheres" with a sensor...
    12 replies | 3705 view(s)
  • mixedgas's Avatar
    Today, 09:32
    OK, I'm done for a while. This whole initial gas balance mess is why I will send my RF pumped tubes to a professional for re-gas, rather then do it myself. Time is money, and process development takes time and more money. ~ BTW, Sinfocomp, never give away the final mix recipe or the fill...
    30 replies | 579 view(s)
  • Neofree's Avatar
    Today, 09:30
    Hello, I am selling a LaserDock LD1000 projector. This is not just the dongle that they sell now, but the full laser projector with the dongle built in. General info on LaserDock (mostly the dongle now on this page): https://www.wickedlasers.com/laserdock Specific page for LD1000:...
    0 replies | 55 view(s)
  • mixedgas's Avatar
    Today, 08:44
    ~ Xenon tempers or lowers the " electron temperature" of the gas mix, making it easier to pump the correct upper state of the nitrogen for best power transfer to the CO2. Basically lowers the electron velocity by collisions and reradiating the electrons. Helium is what actually gets the ...
    30 replies | 579 view(s)
  • buffo's Avatar
    Today, 08:32
    Yes, he really means 150 watts Len. :rolleyes: I guess you missed his other thread where he was talking about re-gassing a bunch of CO2 lasers. 150 watts might be high for a visible light laser, but it's nothing for a CO2 laser; depending on the model, they go into the KW. (Although for the...
    12 replies | 3705 view(s)
  • buffo's Avatar
    Today, 08:24
    Hey Steve; I've always wondered what the purpose of the Xenon gas is for in a CO2 laser. You mentioned that it helps with cooling.?. I thought that Helium was the best gas for that (high thermal conductivity). How does a huge atom like Xenon (especially when only present in trace amounts)...
    30 replies | 579 view(s)
  • mixedgas's Avatar
    Today, 08:09
    You can watch him place the pre-processed electrode in the tube in this video. In the US that would be done in a glove box. The tubes coming out of the big metal boxes are the bake/burnoff vacuum oven step for removing "crud" from the glassblowing lab. ~...
    30 replies | 579 view(s)
  • sinfocomp's Avatar
    Today, 07:29
    just did some research but w or W are still watts Mw or MW = Mega Watts mw or mW = Milliwatts so i did write as i meant to 150w (yes one hunded and fifty watts) about the thread being old, should the thread be duplicated just for being old ?, i did read the rules, and say try not to...
    12 replies | 3705 view(s)
  • mixedgas's Avatar
    Today, 07:11
    Ten minutes up to air is an eternity if you have a cathode that uses a barium/calcium/strontium emitter layer. These are a "One Shot" cathode. They are a nickel or stainless cylinder with a layer of metallic carbonates coated on the inside of the cylinder. During processing the cathode is...
    30 replies | 579 view(s)
  • buffo's Avatar
    Today, 04:47
    buffo replied to a thread Problem with projector. in Help!
    This makes sense, for the reasons I posted above. It also means that it is not the cause of your problem, because all of your projectors have continuity between the DC ground and the case ground. That also makes sense. I was thinking more along the lines of a loose modulation wire, but a...
    13 replies | 295 view(s)
  • hakzaw1's Avatar
    Today, 02:57
    150w ?? First what is w? do you mean 150mW?? also this thread is 5years old.. so ...a necro . BUT nice that you are working on new LPMs .. just try to use these=(Mw=W w, MW & mW ) correctly..
    12 replies | 3705 view(s)
  • sinfocomp's Avatar
    Yesterday, 13:48
    i skipped the oven since tube is not going to be at atm pressuere for more than 10 minutes, the difusion pump does have a cold trap that is running on a nitrogen cooler im totally un aware of the electrode processing needs, but since a tube is being refilled and not assembled from scratch i gess...
    30 replies | 579 view(s)
  • mixedgas's Avatar
    Yesterday, 13:31
    That diffusion pump needs a Dry Ice cold trap or the oil vapor will seriously mess up the optics. Tubes need to be on station overnight. Steve
    30 replies | 579 view(s)
  • mixedgas's Avatar
    Yesterday, 13:20
    You missed the tip on H20.... It is what regenerates the gas in cheapies. You missed the tip on Xenon, it is needed for high power. You missed the tip on electrode processing, You need a tube oven. ~ Yeah , I tried the go cheap with chop and pump on many gas lasers two decades ago... I...
    30 replies | 579 view(s)
  • sinfocomp's Avatar
    Yesterday, 12:28
    this is the most valuable part of your comment: Pro tip: Pure nitrogen or air running on its own in a glow discharge generates large amounts of excess heat and "Nitrides" or corrodes most electrodes. trust me, i have done things that no one belive posible with trash equipment, i will find a...
    30 replies | 579 view(s)
  • juanma666's Avatar
    Yesterday, 12:14
    juanma666 replied to a thread Problem with projector. in Help!
    I have a driver STANWAX Lowell LP 5/12v. (200-900mW). Can you replace Chinese 638nM/500mW, diode driver ??? Thank you.
    13 replies | 295 view(s)
  • juanma666's Avatar
    Yesterday, 11:59
    juanma666 replied to a thread Problem with projector. in Help!
    Hello everyone. All projectors have continuity between base and ground DC; if USB sound card is connected. I have done some test ... the problem of the line that is seen between the circles, is due to the red diode driver (I will have to replace it). This problem is identified. But...
    13 replies | 295 view(s)
  • mixedgas's Avatar
    Yesterday, 11:48
    Gas regulators designed for UHP gas service, bellows grade sealed vacuum valves, flow restrictors on each gas line on the low side so the "regulators" do not go to wide open flow into the vacuum and explode., capacitance manometers and TC Gauges. You need cold traps on your pumps and plasma traps...
    30 replies | 579 view(s)
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