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Old 07-08-2010, 10:59 PM #1
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Default rgb?

people have been making rgb's with these diodes... but how? since these diodes start lasing at 200mw, according to chroma the red you need is 800mw's?!?! how can you even find one of these?


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Old 07-08-2010, 11:03 PM #2
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Default Re: rgb?

I think they start lasing at ~200ma.

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Old 07-08-2010, 11:04 PM #3
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Default Re: rgb?

They don't start at 200mW, they turn on at 200mA, which is still a low power.
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Old 07-08-2010, 11:35 PM #4
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Default Re: rgb?

Mine turns on below 200mA, i can even see a faint dot on the wall at 90mA, but it kicks into high gear at 230mA, anything above just brightens the beam/dot...But its main kick-in is 230mA for my laser.
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Old 07-08-2010, 11:43 PM #5
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Default Re: rgb?

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Originally Posted by Giface View Post
I think they start lasing at ~200ma.

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Yes. At 200mA (current), they typically put out around ~50mW (power).
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Old 07-09-2010, 12:18 AM #6
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Default Re: rgb?

oh, i heard that mA and mW roughly the same... that changes things. thanks for the info.
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Old 07-09-2010, 12:42 AM #7
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Default Re: rgb?

The mA only about equals the mW once the power is increased a considerable amount. I think they start to be the same at about 500mA.
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Old 07-09-2010, 03:21 AM #8
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Default Re: rgb?

Quote:
Originally Posted by TheTeslaWarrior View Post
oh, i heard that mA and mW roughly the same
With 405nm laser diodes and the right lens it was basically just that a lot of the time
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Old 07-10-2010, 02:10 PM #9
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Default Re: rgb?

I tried combining my 445 and RGY scanner the other day, I have 200mW 640nm and 150mW green, and the 445 clocked in at about 750mW. The white was actually pretty good.
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