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Old 05-02-2010, 12:28 AM #1
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Default Laser Safety Goggles....

I found some on Laserglow...and I had a few questions.

http://www.laserglow.com/AGS#

1: What does 'optical density' mean, and is it worth the extra money to buy 7 instead of 2?

2: Does it ruin the spectacular-ness of the laser? Dim beam, smaller dot, less visable light, not as bright, etc?

3: How do I know if it's working?

4: How much power does it cut when shined through the glasses? Will it take it to a point where I can shine it in my eye purposely and nothing will happen?

5: Why do they have glasses for almost every wavelength except 405nm? (their other type does, sport is only 532, and 660)

6: And lastly, what do you guys recommend as far brand for laser safety goggles? Any good ones out there? That won't cost an arm or half a leg? I'm looking at around 50-90...not $200!

Thanks for all yall's help!


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Old 05-02-2010, 01:32 AM #2
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Default Re: Laser Safety Goggles....

I found some on Laserglow...and I had a few questions.

http://www.laserglow.com/AGS#

1: What does 'optical density' mean, and is it worth the extra money to buy 7 instead of 2?

optical density is the amount that the glasses protect by, OD1 is 10% of light gets through, OD 2 is 1% etc. OD7 will let through only 1/10 000 000th of the light

2: Does it ruin the spectacular-ness of the laser? Dim beam, smaller dot, less visable light, not as bright, etc?

yes of course, u will only see a tiny dot and at OD7 maybe not even see it at all...(definitely no beam, dot will also appear whiteish depending on glasses)

3: How do I know if it's working?

the laser will appear extremely dim

4: How much power does it cut when shined through the glasses? Will it take it to a point where I can shine it in my eye purposely and nothing will happen?

no never shine a laser in your eyes even with glasses on, they cannot with stand for long to a highpowered laser, and some power will still come through

5: Why do they have glasses for almost every wavelength except 405nm? (their other type does, sport is only 532, and 660)

not sure...

6: And lastly, what do you guys recommend as far brand for laser safety goggles? Any good ones out there? That won't cost an arm or half a leg? I'm looking at around 50-90...not $200!

i reccomend dragonlasers, they have a pair that does 405nm and 650nm for $50 shipped i think

Thanks for all yall's help!
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<300mw red 660nm labby
<5mw quad red

<10mw green dx
<100mw 405nm phr803t
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4 mirror RG spirograph
<5mw and <150mw 780nm
>900mw 445nm labby

Last edited by hugo999999; 05-02-2010 at 01:36 AM.
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Old 05-02-2010, 01:48 AM #3
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Default Re: Laser Safety Goggles....

Quote:
Originally Posted by hugo999999 View Post
I found some on Laserglow...and I had a few questions.

http://www.laserglow.com/AGS#

1: What does 'optical density' mean, and is it worth the extra money to buy 7 instead of 2?

optical density is the amount that the glasses protect by, OD1 is 10% of light gets through, OD 2 is 1% etc. OD7 will let through only 1/10 000 000th of the light

2: Does it ruin the spectacular-ness of the laser? Dim beam, smaller dot, less visable light, not as bright, etc?

yes of course, u will only see a tiny dot and at OD7 maybe not even see it at all...(definitely no beam, dot will also appear whiteish depending on glasses)

3: How do I know if it's working?

the laser will appear extremely dim

4: How much power does it cut when shined through the glasses? Will it take it to a point where I can shine it in my eye purposely and nothing will happen?

no never shine a laser in your eyes even with glasses on, they cannot with stand for long to a highpowered laser, and some power will still come through

5: Why do they have glasses for almost every wavelength except 405nm? (their other type does, sport is only 532, and 660)

not sure...

6: And lastly, what do you guys recommend as far brand for laser safety goggles? Any good ones out there? That won't cost an arm or half a leg? I'm looking at around 50-90...not $200!

i reccomend dragonlasers, they have a pair that does 405nm and 650nm for $50 shipped i think

Thanks for all yall's help!
HOT DAMN!!! If I knew how to give rep, I would! Thanks for that super-fast help you just dished out!
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Old 05-02-2010, 01:53 AM #4
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Default Re: Laser Safety Goggles....

lol no problem happy to help
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<300mw red 660nm labby
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Old 05-02-2010, 02:05 AM #5
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Default Re: Laser Safety Goggles....

Quote:
Originally Posted by hugo999999 View Post
lol no problem happy to help
Are there any glasses that you recommend so I can still see a beam, and dot, but it's still protective? Especially for 532nm, since it's so visible, will an OD2 be good enough to be safe, but still allow a beam...on say..a 50mw? What about a 200mw? Or is that something that requires testing?
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Old 05-02-2010, 02:16 AM #6
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Default Re: Laser Safety Goggles....

Quote:
Originally Posted by bloompyle View Post
Are there any glasses that you recommend so I can still see a beam, and dot, but it's still protective? Especially for 532nm, since it's so visible, will an OD2 be good enough to be safe, but still allow a beam...on say..a 50mw? What about a 200mw? Or is that something that requires testing?
no its not possible, the glasses are supposed to absorb light, so it is not possible for much light to get through. therefore you cannot still see the beam.
with OD2 a 50mw would become 0.5mw and u wont see the beam. 200mw will become 2mw, still no beam probably
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<300mw red 660nm labby
<5mw quad red

<10mw green dx
<100mw 405nm phr803t
<200mw GGW-H20L
4 mirror RG spirograph
<5mw and <150mw 780nm
>900mw 445nm labby
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