DX 50mW laser

Protoless · Feb 27, 2014

I recently bought this laser:
10050110W 50mW 650nm Red Light Laser Diode - Golden (3V) - Free Shipping - DealExtreme

How can I test if its really 50mW (is there something that will only burn if its 50mw)?
Also, can someone link me to a laser goggle for this wavelength?

Is it safe to test the laser by pointing it to a wall while I don't get the goggles or is the reflecting light also bad for the eyes?

Thanks in advance, Protoless

KRNAZNBOY · Feb 27, 2014

It says "power <20ma" so I doubt it will be 50mw. No way to tell unless it is measured by an LPM. IMO this is not worth it for a $3 laser module.

If it even puts out 10mw you should be happy.

:beer:
-Matt

NightExplorer96 · Feb 27, 2014

Protoless said:
I recently bought this laser:
10050110W 50mW 650nm Red Light Laser Diode - Golden (3V) - Free Shipping - DealExtreme

How can I test if its really 50mW (is there something that will only burn if its 50mw)?
Also, can someone link me to a laser goggle for this wavelength?

Is it safe to test the laser by pointing it to a wall while I don't get the goggles or is the reflecting light also bad for the eyes?

Thanks in advance, Protoless

No, the reflecting light won't cause any damage.

Here are some great goggles which block 532nm light:
Eagle Pair® 190-540nm Standard Laser Safety Goggles

KRNAZNBOY · Feb 28, 2014

Tha Greenlander said:
No, the reflecting light won't cause any damage.

Here are some great goggles which block 532nm light:
Eagle Pair® 190-540nm Standard Laser Safety Goggles

Ummmmm, don't listen to him. Your laser is 650nm, a red color, and is not covered by the goggles he told you. Look for that same brand but get a pair that covers 650nm.

But he is right in that the reflection off of a wall will not hurt your eyes.

:beer:
-Matt

Protoless · Feb 28, 2014

KRNAZNBOY said:
Ummmmm, don't listen to him. Your laser is 650nm, a red color, and is not covered by the goggles he told you. Look for that same brand but get a pair that covers 650nm.

But he is right in that the reflection off of a wall will not hurt your eyes.

:beer:
-Matt

So these: Eagle Pair® 190-400nm & 580-760nm Laser Safety Goggles then?

And how can I test its strength without a LPM? Will it only cut through tape if its <30mw?

oahu99 · Feb 28, 2014

Yes those glasses are good I have a pair myself.
As for the power,you can't know without an lpm. A burn test alone can't determine power because there are to many variables like focus, distance,or atmospheric conditions.

Sent from my SAMSUNG-SM-N900A using Tapatalk

NightExplorer96 · Feb 28, 2014

^Apologies, I read 532nm as the listed laser. Do purchase the other goggles mentioned

crazyspaz · Feb 28, 2014

Those little 3V red modules are 5mW max. No way that one will be anything more than 5mW...

DX 50mW laser

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