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Recent content by Svenvbins

  1. Svenvbins

    "laser rainbow" opinions needed

    :eek: I.... I... did not expect THAT. Oof. Shows how little I know :D I'm afraid it's difficult (much more difficult than diodes/DPSS) to do this yourself. The resonators would be possible (such as gas lasers) but I think that's really expensive too, and I've never heard of a DIY fiber laser :\...
  2. Svenvbins

    "laser rainbow" opinions needed

    Re: 110W "laser rainbow" opinions needed Ah, okay. I'll admit I haven't seen professional high-power projectors myself, but I'm pretty sure they still are way smaller. I'd think these boxes have the resonator(s), lots of cooling and some optics in them. Not sure though, as this also is outside...
  3. Svenvbins

    "laser rainbow" opinions needed

    Re: 110W "laser rainbow" opinions needed Ha, nice to see this pop up again. Did some very basic research on this some time ago, because 2015 is the Unesco year of light! :D Anyway, here's their site: laserfabrik showlaser GmbH - Global Rainbow by Yvette Mattern As for "laser projector being...
  4. Svenvbins

    Post your random pics!

    Velbon tripod! They're great :D
  5. Svenvbins

    Ideas for Hydrogen Discharge Tube

    Thanks both of you, that's some info I wasn't aware of :)
  6. Svenvbins

    Lasers on a Train

    The Dutch are on a roll! First the orchard lasers, now on trains! I wonder how long until we heat our dinner with lasers ;)
  7. Svenvbins

    Ideas for Hydrogen Discharge Tube

    I just came back from a re-giving activity at my uni and somehow ended up with a semi-working Hydrogen gas discharge tube. I don't have pics because my phone was dead and I left it at Uni to take a quick spectrum somewhere next week. It's basically a big wooden box with a power cord, a knob...
  8. Svenvbins

    Meet robocrow: Machines shooting long-range laser beams to scare birds away replace s

    Ha, that's cool! (Even cooler that it's Dutch =D ) Also love the cheap tower they made from the boxes. Next step, high-power laser to blow all the hail balls to pieces. AFAIK, they only use gas cannons for now. Will probably disturb some pilots though :)
  9. Svenvbins

    $90 Laser Engraver Kit?

    I'd be tempted to say yes due to my first link (300mW, 4x4cm). That one looks quite a bit heavier than small module. It does have more plastic instead of wood though, that might be related :)
  10. Svenvbins

    $90 Laser Engraver Kit?

    Not these two ;) 300mW Mini DIY Laser Engraving Machine Picture Logo CNC Laser Printer Sale-Banggood.com 300mW Desktop DIY Violet Laser Engraving Machine Picture CNC Printer Sale-Banggood.com Bit difficult to find though :)
  11. Svenvbins

    $90 Laser Engraver Kit?

    Looked over this again with some friends, seems they have 2 more versions: One other with 300mW and what looks like much better heatsinking. Rest is very similar. 30% more expensive. One with 300mW again, but now a 17*20cm area that can be engraved. 100% more expensive than the small 300mW one.
  12. Svenvbins

    $90 Laser Engraver Kit?

    Wow, really have to follow this. Almost considered buying it right away for that price. Will probably wait for your review though. Does anyone have any idea whether the price / availability will (drastically) change soon? Not familiar with the site :)
  13. Svenvbins

    Looking for a 50mw-100mw 405 or 450 nm laser that's reasonably priced

    Hey, It's not the high quality you're looking for, but I recently bought a 405nm from DX (this one, if I remember correctly: Cheap 200281 5mW 405nm Blue-Violet Laser Pointer Pen - Black (3 x AAA)) and when I measured it it put out about 64mW, which would fall inside your range. For a few...
  14. Svenvbins

    Giving a shout

    Stuff happens :) Welcome to LPF, good luck trying not to spend too much money ^^
  15. Svenvbins

    Giving a shout

    It's got about as much information as your post. Granted, it's an empty thread and I agree it's useless, but this is exactly why some people here dislike you. Before clicking the reply button, think about whether your reply actually adds anything to the thread, except for your post count. Just...




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