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Old 05-23-2014, 01:04 PM #1
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Default Whats the power of my laser?

Sadly I don't have an LPS yet so I can't measure the power of my laser.
My laser is an 445nm M-140 with a 1.25A driver and a 18650 Li-on battery.
The problem is that I didn't order the right batteries and accedentally ordered the 18650 and the driver is supposed to be powered by two RCR123A batteries.

Could somebody tell me what the output is? Im sure someone out theres has the same build and a 18650 lying around

-Richard


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Old 05-23-2014, 02:26 PM #2
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Default Re: Whats the power of my laser?

There's no way to tell without an LPM. As a very rough estimate I would say 0.9W to 1.6W

Even if someone did have the same build the output of individual diodes vary greatly.
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Old 05-23-2014, 03:14 PM #3
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Default Re: Whats the power of my laser?

If you are using a buck or linear regulator and you are SUPPOSED to be using 2 cells, but you are only using one, the output is probably around 200mw. HOWEVER, when you use the correct cells and correct voltage, it should be around 1.5w

Hope this helps
-Matt
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Old 05-23-2014, 05:22 PM #4
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Default Re: Whats the power of my laser?

enough to kill superman.
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Old 05-23-2014, 09:59 PM #5
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Default Re: Whats the power of my laser?

Alight thanks KRNAZNBOY +1 rep
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