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Old 12-03-2011, 04:15 AM #1
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Default Driver setting help?

Hey guys, i'm hearing that the lowest you should run the A140's is 400 MA, does anyone know about how much optical output that will translate to? I want to run it as low as possible, for the sake of beam quality and the fact that I have no desire to carry a 1w 445 around. But I do want that frequency.


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Old 12-03-2011, 04:44 AM #2
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Default Re: Driver setting help?

hey man,
i have a chrome pen build at 420mA and its doing 250mW, ive also got a trustfire TR-801 with a problem driver (the driver was meant to output 1200mA which is around 900mW) but it LPM's at 200mW so i imagine less than 400mA is where they become unstable.
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405nm - 1,910mW (6)
445nm - 15,895mW (15)
450nm - 370mW (2)
473nm - 110mW (2)
532nm - 1250mW (6)
632.8nm - 2mW (1)
637nm - 5105mW (8)
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Old 12-03-2011, 05:13 AM #3
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Default Re: Driver setting help?

Oh right on, thanks! How do you like the beam on that pen build? Is it overkill?
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Old 12-03-2011, 05:14 AM #4
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Default Re: Driver setting help?

yeah its not bad, the beam on these diodes seem a lot cleaner at lower powers.
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405nm - 1,910mW (6)
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450nm - 370mW (2)
473nm - 110mW (2)
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637nm - 5105mW (8)
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In Progress:
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Old 12-03-2011, 05:45 AM #5
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Default Re: Driver setting help?

If you've uploaded some photos, I'd love to see.
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Old 12-03-2011, 10:23 AM #6
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Default Re: Driver setting help?

You can go as low as the lasing point which is about 250mA. An easy reminder : substract 200 from the mA and you got a very rough approximate value in mW.

Also see this threads :
List of 445nm diodes
Post your mA and mW
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405nm 400mW S06J C6
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473nm 100mW PGL-III-C-473
520nm 55mW Skylaser PL520
532nm 821mW Skylaser PL532, 133mW Jetlasers Ti-B
589nm 100mW PGL-III-C-589
635nm 70mW Sanyo SenTorch
638nm 175mW Ehgemus, 1W Rook
660nm 1216mW Skylaser PL660, 263mW LPC826 C6
685nm 33mW Fujitsu FLD6A2TK C6
780nm 150mW Dilda
808nm 640mW C6

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Old 12-03-2011, 02:31 PM #7
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Default Re: Driver setting help?

Oh great! Thank you! So is that just for the A140's? Are there simple formulas for estimating output from PHRs? Or red diodes?
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