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FrozenGate by Avery

Ballistic Laser Eye Protection System (BLPS)?

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4science

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I was reading about the Ballistic Laser Eye Protection Glasses and was wondering if the they would block out 100mW red laser (from 650-660 nm)

If you know of any other cheap (under $30) laser protection glasses please comment also

any help would be apperciated. thanks
 





Do you have a link- this is the right place to ask but only if we know what you are talking about...

SMIDSY.
 
My son is in the U.S. ARMY, & has a set of those. They aren't much good for anything but ~ the 532nm wavelength, but they DO offer great protection from sand, shrapnel, etc.--------------- rob
 
The green BLPS don't block red significantly, I haven't tested it but I guess the OD will be below 0.3.
 
I purchased a set of these a while back. the bronze colored lenses are NOT laser lenses intentionally, however they do in fact block 405 fairly well. they seem comparable to the yellow lenses I bought from scopeguy20. The green ones don't effect much at all of a regular cheap store bought red laser pointer I have. (not certain the wavelength) I do not have a working decent 650nm high powered red atm. but I should have my build with one finished in a couple weeks. till then, I can't test them myself vs 650nm.
neither lens at all seems to effect 532nm.

Things to keep in mind are that first off, more lenses are being sold as BLPS they are BLPS. that last link, however, is. Next there are 2 separate lenses that are out there with BLPS systems. a 2 wavelength (stops YAG and ruby based lasers) and a 3 wavelength (YAG, ruby, and 532) the link you sent only has the 2 wavelength green lens. While the bronze lenses do in fact help somewhat against 405nm, they were not designed to do so.

I think the OD drops off sharply below 693nm. but I can't confirm it, it's just a suspicion. I would suggest simply purchasing something that costs more, but does proper protection much better

I own a pair of these
NEW RED LASER PROTECTION SAFETY GLASSES CERTIFIED CE - eBay (item 280446712626 end time Jan-10-10 20:52:27 PST)

while I haven't tested with a high powered red build *yet* I can't even see my regular laser pointer dot through them unless it's within a couple feet. Contrary to the description, these do NOT stop 532 at all. but do seem to help somewhat with 405nm. but not as much as a $10 yellow pair from scopeguy20. They cost $5 more then the BLPS you linked to, however I would trust my eyes MUCH MUCH more with them around red.

I figured I would add in info about other colors then red. As, if you are like me, you won't be able to stop at one color, and will be wanting the best bang for your buck at eventual multi-wavelength protection.

StridAst

P.S. assuming I don't mess up my LCC build I am working on, I will have proper info regarding both the green lenses and the blue colored red blockers in a couple weeks or so.
 
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My guess was wrong, I tested the green BLPS glasses with a red pointer. Unfortunately I don't know the wavelength of the pointer, so it could be around 650-670. The OD was about 1.5, I measured 30x attenuation. It were very cheap pointers, so they may be 670nm, and the OD at 650 may be lower. Anyone measured the wavelength of the cheap bulletstyle pointers?

I also measured the BLPS with a 980nm LED, I measured OD 4 there. I don't know about 1064nm of 694nm, can't measure these yet.
 
Wow the ones stridast posted look good, exspecially if I go into different colored laser (which I secretly know I will). I most likely get those.
 
I just emailed a friend of mine (who also deals with lasers) a he found It was a bit odd that they did not have the percent of the laser that it blocked out. He Also noticed that the range of the goggles extened past the visible spectrum. I'm probably going to end up getting lent a spare pair of his glasses
 
I would be very interested to see how the blps perform. Looking for protection against my new red :san:
 
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Can't get much cheaper than those, I think a few people here own them and they're decent goggles.

Personally I own some dragon laser goggles which are nice quality and block all the way from violet upto green:

Laser Glasses - UV to Green Lasers Protection 190-548nm :: Laser Safety :: Dragon Lasers

Slightly more expensive, but your eyes are worth more than a few $.

Edit: sorry didn't check the date, but the guy above I guess this could be helpfull, just browse through Dragonlases safety goggles to find the ones that protect against red.

I wouldn't risk your eye sight with anything less than goggles intended for laser safety, not something that is "experimental" like BLPS is, you only get one chance with each eye.
 
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Yeah, that's the qualm I had about the blps.
1: they may or may not be genuine
2: if they aren't genuine, I'd have no idea how they'd protect against common laser wavelengths
3: if they are genuine, then they were designed to specs provided by the government
4: nobody did a power meter test
5: so many conflicting opinions about them, some say they are great, block a ton of light from the laser, while others say they don't do squat.

If these were tested and tested A-OK, then I'd totally be down for some protective goggles that can also be used for exploding stuff too.

I was thinking actually, about just getting some CNI goggles from one of glenn's group buys. More expensive, and more specialized, but should be quality. Just got some LPC diodes, and those things have some punch to them!

edit: Thanks for replying, there are already about 3 threads about the same thing, I figured instead of making a 4th, I'd just reply to the most recent and hope that someone replies back.
 
Bluefan said:
My guess was wrong, I tested the green BLPS glasses with a red pointer. Unfortunately I don't know the wavelength of the pointer, so it could be around 650-670. The OD was about 1.5, I measured 30x attenuation. It were very cheap pointers, so they may be 670nm, and the OD at 650 may be lower. Anyone measured the wavelength of the cheap bulletstyle pointers?

I also measured the BLPS with a 980nm LED, I measured OD 4 there. I don't know about 1064nm of 694nm, can't measure these yet.
Click to expand...

BShanahan14rulz said:
... 4: nobody did a power meter test...
Click to expand...
I did, I can measure more if you want...
 
Hey Bluefan,

That would be wonderful! I'm mainly worried about green and red. I have a few LOC builds, and a 170mW green module, those are my most dangerous ones.

Basically, if it can't cut 'em down to what looks like <5mW, then I'm looking elsewhere. I stared at the sun too much when I was a kid, I don't need more eye damage >.<


:thanks:

-P
 
Youd' have to remind me of that later, I just got my wisdom tooth removed which didn't went that well, so I'm doing pretty much nothing for a while.
 
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