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Old 11-19-2010, 07:28 PM #1
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Exclamation Home-made-laser glasses?

Hello all I got my laser! Yay! It can smoke herbs... But not threw the glass.

I know it's very bad to expose your eyes to laser radiation. I only had enough cash to buy a laser! I wanted to protect my eyes the best I could. I've taken 2 pair of polarized sunglasses and screwed on pair of lenses on top of the other lenses! So I have super dark pair.

Will this help at all? Or am I just being dumb?


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Old 11-19-2010, 07:30 PM #2
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Default Re: Home-made-laser glasses?

Won't help lol

Edit: Maybe a little, but I wouldn't trust it.
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Old 11-19-2010, 07:33 PM #3
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Default Re: Home-made-laser glasses?



Go for real protection goggles. If you donīt have money to pay for fun and safe, you should wait till you have funds for both. Itīs like having a motorbike without a helmlet.

In your case, donīt use the laser for closeup distances or burning experiences and get yourself a pair of safety goggles ASAP!
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

Above lasers measured with an Ophir nospin LPM


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Old 11-19-2010, 07:33 PM #4
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Default Re: Home-made-laser glasses?

If you are going to use goggles, make sure they block properly..

To do this you have to either get a certified pair, or test through a power meter.
If you do neither of these, you will not know if they can reduce a hit from
the laser to a safe level..
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Old 11-19-2010, 07:59 PM #5
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Default Re: Home-made-laser glasses?

If you decide to go for REAL protection glasses I can recommend you to buy one from JETLASERS or LASER2GO. They both work great!
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

Above lasers measured with an Ophir nospin LPM


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Old 11-21-2010, 11:49 AM #6
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Default Re: Home-made-laser glasses?

When sunglasses block enough laserlight to be safe, they will barely pass any light. You'll take off your glasses to see anything, which will defeat it's purpose. There's quite a list of properties that real laser safety glasses need, and sunglasses definately won't meet all of them.
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Old 11-21-2010, 03:22 PM #7
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Default Re: Home-made-laser glasses?

Well, would you jump out of a plane with a homemade parachute constructed from 2 plastic shopping bags and a pair of shoelaces?

If your answer to that is "yes", these glasses will probably suffice
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Old 11-21-2010, 03:41 PM #8
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Default Re: Home-made-laser glasses?

Sunglasses generally block all frequencies to some degree, which makes your pupils dillate and can actually make them more dangerous.

Laser goggles generally attenuate one very specific end of the spectrum strongly and pass the others, like blocking all the reds/oranges, but passing all the blues and greens, or vice-versa, blocking all the blues and greens, but passing all the reds/oranges etc.
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Old 11-21-2010, 05:55 PM #9
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Default Re: Home-made-laser glasses?

Ok this is going to sound crazy! I was looking into what color blocks red lasers! I found out that the shade "Congo blue" blocks the 650nm red laser! Here is where it gets crazy!!
Sharpie the permanent marker has a "Congo blue" color. I tryed an expirrment and colored over a pair of sun glasses... To my suprise I could see easily out of the glasses!
When I truned on my laser, I thought it was broken!!!! I could see no red beam? No red light what so ever! Then I took of my glasses. THE LASER WAS ON THE WHOLE TIME! and was still super bright. I put the glasses on quickly and no light at all!

I then shot the beam threw the gogles themselves and the beam just dissipears! It's insane!
Will someone else try this?
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Old 11-21-2010, 06:53 PM #10
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Default Re: Home-made-laser glasses?

Quote:
Originally Posted by Benm View Post
Well, would you jump out of a plane with a homemade parachute constructed from 2 plastic shopping bags and a pair of shoelaces?

If your answer to that is "yes", these glasses will probably suffice
loooool!
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Old 11-21-2010, 07:06 PM #11
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Default Re: Home-made-laser glasses?

Everyone has to DO something FIRST! Including your home-madeparachute! Lol

But I just wish someone could test what I figured out! I testes it on a clear glass. The beam just stops as soon as it hits the blue!?!? If you look through the blue you can't see any red laser... At all!!! Like it stops it dead cold!!!

It's crazy! I know it's the color cause I tested it with a darker black sharpie. It cuts right threw! And makes the black marker smoke on the glass! But the blue makes the red disappear!
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Old 11-21-2010, 09:58 PM #12
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Default Re: Home-made-laser glasses?

the thing about "homemade" goggles is that there are no lifetime studies, no professional testing. an any body that says it is safe is just wrong. the only thing that works as of now are uv sunglasses that can protect from 405nm lasers. but then you don't have od ratings on them so who knows for how long or how stong a beam it can protect. but it will block out uv from buring experiemnts and such.

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Old 11-22-2010, 12:15 AM #13
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Default Re: Home-made-laser glasses?

This is why i don't condone homebrew safety glasses. They may seem to work initially, even when you test them on a lpm and all, but you cannot trust them not to fail at any random time for no apparent reason.

Improvised safety devices always have this problem. Its fine to construct them when in an emergency and you have no choice, but with lasers this is never the case.

To make it worse, such homebrew glasses give you a false sense of security, potentially increasing the risk of harm compared to wearing non at all. This particularly holds true for sunglasses - as they block out all light, you pupils will dilate, making a hit to the eye worse.
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