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Old 03-28-2013, 03:03 AM #17
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Default Re: Just how strong is class IV laser actually is?

I was just commenting on someone else's post and trying to make sense of the numbers. Thanks for your clarifications and also for the scolding . As someone in this thread already mentioned, it's good to have a reference that's easy to relate to.

Just because I'm a newb to the forum, doesn't mean I'm a newb to lasers. I'm no expert, but I do understand the gravity of instant permanent blindness. That said, safety reminders can't be overdone.


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Old 03-28-2013, 03:08 AM #18
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Default Re: Just how strong is class IV laser actually is?

Quote:
Originally Posted by bungy View Post
I was just commenting on someone else's post and trying to make sense of the numbers. Thanks for your clarifications and also for the scolding . As someone in this thread already mentioned, it's good to have a reference that's easy to relate to.

Just because I'm a newb to the forum, doesn't mean I'm a newb to lasers. I'm no expert, but I do understand the gravity of instant permanent blindness. That said, safety reminders can't be overdone.
Heh. Sorry if I came off overly aggressive - I just wanted to be clear in no uncertain terms that 1W lasers aren't to be trifled with. Especially since we've got a couple cases here on the forum of people taking a watt to the eye.

Cheers, and welcome!

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Old 03-28-2013, 04:12 AM #19
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Default Re: Just how strong is class IV laser actually is?

Quote:
Originally Posted by bungy View Post
I was just commenting on someone else's post and trying to make sense of the numbers. Thanks for your clarifications and also for the scolding . As someone in this thread already mentioned, it's good to have a reference that's easy to relate to.

Just because I'm a newb to the forum, doesn't mean I'm a newb to lasers. I'm no expert, but I do understand the gravity of instant permanent blindness. That said, safety reminders can't be overdone.
Hit in eye with 1000mw 445nm blue laser
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Old 03-28-2013, 04:41 AM #20
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Default Re: Just how strong is class IV laser actually is?

No worries! And thanks for the welcome. Lasers have come a long way since I made my first one about 7 years ago. I have been mostly in the safety forum after deciding to get my feet wet again.

Quote:
Originally Posted by Trevor View Post
Heh. Sorry if I came off overly aggressive - I just wanted to be clear in no uncertain terms that 1W lasers aren't to be trifled with. Especially since we've got a couple cases here on the forum of people taking a watt to the eye.

Cheers, and welcome!

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Old 03-28-2013, 05:01 PM #21
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Default Re: Just how strong is class IV laser actually is?

I remember reading from somewhere that a 1mW laser light entering your eye is roughly the same as staring at the sun in broad daylight, more or less. Could be wrong, but just a reference
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Old 03-28-2013, 07:24 PM #22
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Default Re: Just how strong is class IV laser actually is?

I'm sure if you used a magnifying glass and focused the sun into your eye it would be instant blindness...

Edit: When I was little and we went on road trips, I used to focus the sun coming through the backseat windows onto my brothers jeans. They would smoke quickly >:P
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Old 03-28-2013, 08:03 PM #23
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Default Re: Just how strong is class IV laser actually is?

There's a lot of invisible radiation coming from the sun, idk how strong that is but yes, it is probably capable of permanently damaging your eyes, especially if you focus it
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