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Old 06-05-2010, 12:51 AM #33
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Default Re: Feeler: Protection goggles for new 445nm diodes

Already have two pairs, but at this price, count me in for one more... hey, I am not taking any chances when guests want to see my new 445nm laser.

Thanks mfo for taking the lead on this one.


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Old 06-05-2010, 06:08 AM #34
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Default Re: Feeler: Protection goggles for new 445nm diodes

Was anyone checking on the possibility of a GB for the OEM ARG glasses? If not, I will contact them and find out.

ARG - UV, Blu Ray, Argon, Blue, KTP Green Protection ARG - UV, Blu Ray, Argon, Blue, KTP Green Protection [NR-ARG-EN207] - $78.20
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Old 06-05-2010, 06:57 PM #35
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Default Goggles for 445nm

Ok, I know someone is going to kill me for asking this, but... how effective will the cheap focalprice goggles be against this new diodes?

Since they are rated for 405 to 532nm, I believe they will also block this ones. However, I know they are not gonna hold 1W for so long. Will there be anyone kind enough to make the tests?

I know they do not replace certified goggles, but if they are able to block a direct hit for 1 second and not allowing more than 5mW to pass...
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Old 06-05-2010, 08:11 PM #36
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Default Re: Goggles for 445nm

I think for burning experiences they are good enough, but I won´t use them when there is a chance of a direct hit!
I use my big lasers outside most of the time so there won´t be a problem for me wearing my o-like/focalprice goggles and shining around.

But I agree that someone should test it with focal-goggles, LPM. I put $1 into the goggle-torture box to kill one for the science!
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Old 06-05-2010, 08:43 PM #37
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Default Re: Goggles for 445nm

Depends on the rated optical density of those goggles at 445nm. The higher the optical density the more protection. An optical density of 3 will reduce the power by a factory of 1000. So a 1W laser, 1000mW, would be reduced to about 1mW.
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Old 06-06-2010, 01:33 AM #38
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Default Re: Goggles for 445nm

I would suspect that as soon as they are hit either directly or via reflection, the spot that was hit would just melt.
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Old 06-06-2010, 06:21 PM #39
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Default Re: Feeler: Protection goggles for new 445nm diodes

I contacted OEM Laser Systems about a group purchase of the ARG glasses. I'll let you know what they say.
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Old 06-06-2010, 06:41 PM #40
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Default Re: Feeler: Protection goggles for new 445nm diodes

I have these same goggles from DL and also the ones for 600nm-740nm for my red lasers. They both came in a soft bag type case with a cleaning cloth. I thought for the protection they provided they are very good.

I just wanted to run it by some other members that these should provide adequate protection from the new 445nm diodes at the higher levels? Let me also say I take extreme precautions when using my lasers, I treat them all like a loaded weapon, one can never be too careful.
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Old 06-06-2010, 08:21 PM #41
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Default Re: Feeler: Protection goggles for new 445nm diodes

Wouldn't mind a set of these:

ARG - UV, Blu Ray, Argon, Blue, KTP Green Protection : OEM Laser Systems, Inc., Precision Laser Equipment

They have a nice crazy scientist look going on, they're so 2010.
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Old 06-06-2010, 08:37 PM #42
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Default Re: Feeler: Protection goggles for new 445nm diodes

I plan on getting those OEM glasses regardless..
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Old 06-06-2010, 08:40 PM #43
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Default Re: Feeler: Protection goggles for new 445nm diodes

Guys, if those are truly OD8 you're not gonna be able to see the laser AT ALL. Not even the dot...

Edit: Like I pointed out in the other thread:

At OD8 you have 0.000001% transmittance of light through the glasses. At 1W that's 0.001mW coming through. YOU CAN'T SEE THAT. Especially if your laser is lower than 1W.
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Old 06-06-2010, 09:48 PM #44
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Default Re: Feeler: Protection goggles for new 445nm diodes

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Originally Posted by HumanSymphony View Post
Guys, if those are truly OD8 you're not gonna be able to see the laser AT ALL. Not even the dot...

Edit: Like I pointed out in the other thread:

At OD8 you have 0.000001% transmittance of light through the glasses. At 1W that's 0.001mW coming through. YOU CAN'T SEE THAT. Especially if your laser is lower than 1W.


Maybe after we figure out what are the Right goggles for our needs..
We can organize a GB for those.
But im all in for the idea.
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Old 06-06-2010, 10:40 PM #45
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Default Re: Goggles for 445nm

Well, they don't work very well as safety glasses then, do they? No one has tested them at other wavelengths yet??
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Old 06-06-2010, 11:34 PM #46
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Default Re: Feeler: Protection goggles for new 445nm diodes

Updated.
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Old 06-07-2010, 12:11 AM #47
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Default Re: Feeler: Protection goggles for new 445nm diodes

Quote:
Originally Posted by HumanSymphony View Post
Guys, if those are truly OD8 you're not gonna be able to see the laser AT ALL. Not even the dot...

Edit: Like I pointed out in the other thread:

At OD8 you have 0.000001% transmittance of light through the glasses. At 1W that's 0.001mW coming through. YOU CAN'T SEE THAT. Especially if your laser is lower than 1W.
I think it'd be important to see the actual beam.... I don't fully understand the VTL rating. The ARG glasses have a VTL reading of 48%, where most glasses I've looked at have a rating of 10-15%. Would having a higher visual light rating offset any of the visibility lost with the higher OD value?
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Old 06-07-2010, 12:16 AM #48
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Default Re: Feeler: Protection goggles for new 445nm diodes

Here is another option. ships out of Houston-& quick too. Warranty.

LASER SAFETY GOGGLES 190-532nm - eBay (item 380173907887 end time Jun-30-10 07:46:11 PDT) aixiz od+5 goggles--90$ shipped...........
AixiZ Laser Safety Goggles
CE Certified
Model A-N532-ARG
190-449nm OD5+
450-532nm OD6+

MFO good thing you are doing here-- if a need a second pair later i am in on the next GB--thanks
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page

Last edited by hakzaw1; 06-07-2010 at 12:19 AM.
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