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Old 10-15-2011, 03:54 AM   #1
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Default 635nm with amc7135 driver

Hi.

Recent 635nm 300mW diode has interesting features.

1. Vf is under 3V.
2. Case-neutral

So I can build this one with case-positive or case-negative.
In other word, I can use positive-regulator(microflex, rkcstr, groove2...), or negative regulator(amc7135..).

Amc7135 is a negative-side, fixed-current regulator, shows very low dropout voltage, and is reliable and cheap.
It is possible that 635nm with amc7135 driver is powered by a single Li-ion.

I tried to build a 635nm laser with cheap driver(2 of 7135) within Aixiz, powered by a single Li-ion.
The power (with red glass lens) is 440mW.
Not that hot.

I'll build a next one with AK-47(3 of 7135 with selectable PWM).

SHIN
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635nm with amc7135 driver-635-2x7135.jpg   635nm with amc7135 driver-back.jpg  
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Old 10-15-2011, 04:09 AM   #2
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Default Re: 635nm with amc7135 driver

It works fantastically

One cell, 1A:
Introducing the "Mosquito Red" - 1A Single-Cell Mitsubishi 635 Driver
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SAFETY & IMPORTANT READING (threads authored and contributed to by various members of LPF):
- Federal Aviation Administration - Laser Safety Initiative (link)
- Info release from Laserglow - Default Canadian restrictions on portable lasers (link)
- The Necessity of Safety Goggles (link)

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Old 10-15-2011, 04:56 AM   #3
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Default Re: 635nm with amc7135 driver

Hi. rhd.

Legit! 3 or 4 of amc7135 within the Aixiz!

Good job. rhd.

SHIN
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Old 10-15-2011, 05:41 AM   #4
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Default Re: 635nm with amc7135 driver

It really is damn amazing how well these lasers work with minimal heating. Running those old red lasers at some paltry 160mW for much time with just an Aixiz would've burn them out, but these are sending out 400mW or more with no problem.
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Old 10-15-2011, 08:58 AM   #5
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Default Re: 635nm with amc7135 driver

Hi. Bionic-Badger.

Yeah. Right.
Time flies like an arrow, but the development of laser flies like a laser.

This 635nm is not a single mode then its beam is somewhat thick, not laser-sharp.
It is not suitable for burning than "old" 200mW single mode.

SHIN
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Old 10-18-2011, 05:30 PM   #6
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Default Re: 635nm with amc7135 driver

both contain arsenic and shouldn't be burned

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Old 10-19-2011, 01:32 AM   #7
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Default Re: 635nm with amc7135 driver

Uhh... Will I goto a doctor?

Hi. BShanahan14rulz

SHIN
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