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Old 12-03-2009, 02:03 AM #1
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Default Question about my eyes and my green laser

Tonight was my first night in awhile where I had some free time.
So, Since I bought some wicked laser safety glasses from a LPF members here, i decided I would try out my new laser out with a set of fresh batteries.

I got a small piece of electrical tape and began to burn it while wearing my glasses and had it leaning against a brown cardboard box.

It burns great but, after doing this for about 1 min, I notice that after I am done, my eyes feel kind of strained. Its like i have a small amount of pressure behind them and around the top of my noise. Sorry its hard to explain but, I guess its like the beginning of a very slight headache.

Anyway, I have never taken a direct hit or even a strong reflection from my laser. I am always very careful. The glasses seem to work fine. I only see a faint orange dot while looking through them. Could this feeling be coming from the IR of my laser? Is there a way to measure or see the Ir using my digital camera? I just want to make sure I am being safe. I believe the glasses have a rating of OD 2.0


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Old 12-03-2009, 02:52 AM #2
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Default Re: Question about my eyes and my green laser

I'm sure you're Ok there. Where did you get the laser (who made it)?

The 1st few times I played with mine, I also had the sensation afterward similar to that after a camera flash (say cheese! * ..whut?, I can't see!).

I think you'll get used to it. Continue being careful.

edit: Now I notice your sig.. If it's that Optotronics, I'm sure you're Ok.
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Last edited by roosl; 12-03-2009 at 02:55 AM.
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Old 12-03-2009, 06:00 PM #3
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Default Re: Question about my eyes and my green laser

Thanks for the input. I guess my eyes are just a tad overly sensitive to green light or something. I did hear someone talking about there was a way to see how much Ir light is coming through my laser. I think the way they said to check was by using a 2 litter coke bottle. shinning the laser through it so only the IR would filter through and then use a digital camera to view it. Does that ring a bell with anyone?
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Old 12-03-2009, 06:20 PM #4
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Default Re: Question about my eyes and my green laser

why do you want to filter it with coke, you have goggles right? just shine the laser through them and look at the dot that remains with a digital camera.

Anyway, the headache you're feeling is most likely caused by the fact that suddenly the world turned red, you're for sure fine

Yours,
Albert
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