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Recent content by ixfd64

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    Warning! Be weary of Sanwu lasers!

    Ah, good catch. "Single-mode" certainly has a different meaning when you're interested in the technical details of a laser. :) If it were up to me, I'd have used something like "Single function" instead.
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    Sonar Blu-ray Laser in 2025

    I once read that the average power of the original Sonar is closer to 2 mW. Violet lasers have definitely gone a long way.
  3. I

    removed PSA

    Yeah... repeatedly trying to pick a fight with people will get you banned in a lot of places.
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    Warning! Be weary of Sanwu lasers!

    There's definitely something fishy about Sanwu. The customization option lets buyers select between single-mode and multi-mode, even for lasers rated at several watts. Here's an example: https://sanwulasers.com/product/challengerii However, my understanding is single-mode diodes are generally...
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    🗨 LPF: Laser Chatroom

    I can think of a few reasons for the decline. 1. People are migrating from traditional forums to websites like Reddit nowadays. 2. The novelty factor has worn off as lasers are now a lot more common than they used to be. Using a laser to pop a balloon or light a match no longer has a "wow"...
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    xkcd calls out people who point lasers at aircraft

    https://xkcd.com/3030
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    Space Discussion Thread

    I didn't see it with my naked eye but did manage to capture a faint glow on my phone. You can see the unmistakable colors in the photos.
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    Ban poll for Madness Laser aka 3dlaserbuilder aka ...

    It's my understanding that this forum's rules do not allow users to have multiple accounts. So this person was already breaking the rules whether or not he was evading his ban.
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    Space Discussion Thread

    https://scientificamerican.com/article/euclid-space-telescope-snaps-spectacular-first-images
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    Company claims to have single-mode 445 nm diodes that reach 1.6 W

    There's a company called Berlin Lasers that is selling a single-mode 445 nm laser diode that they say can go up to 1.6 watts: https://berlinlasers.com/445nm-single-mode-blue-laser-diode I'm guessing it's just a mistake and that they simply put it on the wrong page, but I'm curious to see what...
  11. I

    Name our new Current events thread

    Anyone else disappointed that the U.S. didn't shoot down the balloon with a laser?
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    Official specs of BDR-209 diode?

    I know this is quite an old thread, but it looks like the question has been answered. Zraffleticket and rajhlinux have found that the diodes used in the BDR-209 drives are of Sony make. Here's the datasheet for those curious: https://datasheetspdf.com/pdf-file/905921/SonyCorporation/SLD3237VF/1...
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    Does anyone else prefer the "classic" hosts over the fancier ones?

    Glad I'm not the only one! I did once write to Wicked Lasers to suggest that they sell the Spyder I Pro host to hobbyists who want to assemble their own lasers. Although they liked the idea, I guess the demand wasn't high enough. Nice collection, by the way. :D
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    Does anyone else prefer the "classic" hosts over the fancier ones?

    One thing I noticed is that the most popular lasers today have fancy-looking designs that resemble lightsabers and Gatling guns. However, I've always preferred the simplicity of CNI-style lasers. Although I already have the now-discontinued Spyder I Pro from Wicked Lasers — which actually looks...
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    Crazy AI chat

    I can't wait for AI to help us design more efficient lasers. :D
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