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  1. S

    Playing with a 1.5w Blue laser and my eye hurts

    Ok. thank you. So for me from now I will where my safety glasses whenever I shine them on a surface not the sky. Is there a certain, safe distance I can shine my laser on that it won't damage my eye, assuming it is non reflective. Also, if you would quickly explain to me, my problem when...
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    Playing with a 1.5w Blue laser and my eye hurts

    Ok, so what if it is cloudy? Three of them are guys I work for, they all went to Stanford, they didn't do major calculations but some quick back of the napkin ones. The other guys are some people I met through my internship who both attended CalTech and they have both done a fair amount of...
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    Playing with a 1.5w Blue laser and my eye hurts

    Ok, I have safety glasses, I just didn't have them with me at the time and I wasn't too worried because I remember asking some guys I know and they said that at a distance the light is so diffuse it doesn't matter. I'm still confused on this matter and I asked a few guys and they all said the...
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    Playing with a 1.5w Blue laser and my eye hurts

    Edit, it no longer hurts and I think I was just being paranoid. I had been up for over 30 hours at the time my eye was hurting and its feeling better now. I have no dark spots in my vision, and as far as I can tell no blurs. In the past when i have been to an optometrist they said really don't...
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    Playing with a 1.5w Blue laser and my eye hurts

    Yesterday night I was playing with a 1.5w blue laser and my right eye hurts and I feel my peripheral vision is lesser. Am I just being paranoid? My eye may hurt because my high school put on a graduation party which was all night, but since then I've slept for a few hours. I have no dark...
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    FREE DIY open source BOOST driver!!! Tested & working!!

    Sorry, that was my first time reflow soldering. I kinda just gooped on solder paste. I'm putting another one together that I was alittle more careful with. If it doesn't turn out well I'll laser cut a solder paste stencil.
  7. S

    FREE DIY open source BOOST driver!!! Tested & working!!

    I assembled a ben boost driver, but its not seeming to work. I was wondering if someone would look over my board and tell me if I placed any components incorrectly?
  8. S

    My first homemade laser, 405nm

    Sorry for the long lag, I had some things I had to prepare for. AKA AP tests, I kept trying to study, but instead procrastinating. I'm uploading a video right now. I don't have any beam shots because the only camera I have is my cellphone but the video should be uploaded by the morning. I...
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    My first homemade laser, 405nm

    I haven't threaded on a lathe before and I remember overhearing the guys at my work talking about how it was a nightmare on their lathe. It turns out the meant for production parts, not one offs like this. Next time :p It took a few hours to lathe. I made it over two days. It was largely a...
  10. S

    My first homemade laser, 405nm

    This is my first fully homemade laser, second build ever. Its a m140 with a g2 lens driven at 1.4 amps. Turned from 1.25 inch 6061 bar.


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