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Old 05-24-2008, 11:14 AM #1
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Default Laser polycephaly

"Polycephaly is a condition of having more than one head" 8-) - Wikipedia

Well, I took my broken minimag and some cheap a$$ Japanese LED flashlight with 3xAA (bought for $3 at some street stand in Akihabara) and this is the result:





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Old 05-24-2008, 05:33 PM #2
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Default Re: Laser polycephaly

ya mean like this?




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Old 05-24-2008, 06:58 PM #3
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Default Re: Laser polycephaly

that's more like it
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808nm ~450mW floodlight, 7-laser, no optics
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Old 05-26-2008, 11:05 AM #4
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Default Re: Laser polycephaly

I changed my lasers in both heads. The laser in the blue head moved to the silver head and I've put my burner in the blue.

The burner could not be driven using LM317 with 4.5V. I carefully measured the U-I response curve of the burner diode and realized it might be able to work without a driver at all, but with a series resistor. I took the risk and used a 5.6 Ohm series resistor to limit the current at 200mA (underpowered). According to the response graph, it now emits 100mW.





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405nm 166mW adjustable lab
405nm 130mW Xtreem
445nm 0.005W@1.7A semi-ghetto peltier-cooled labby-style handheld on batteries (BLL)
532nm 40mW New Wish pointer
630nm 5.00mW stable pointer
630nm <5mW mini (batteris+switch inside Aixiz)
660nm 265mW@0.5A Leadlight
660nm 208mW adjustable lab
808nm ~450mW floodlight, 7-laser, no optics
808nm 140mW IR module
...
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Old 05-26-2008, 10:46 PM #5
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Default Re: Laser polycephaly

Nice, you should solder a capacitor too for a little bit more protection.
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Old 05-27-2008, 03:33 AM #6
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Default Re: Laser polycephaly

actually the driver in this particular minimag is regulated since it's an LED in this one.
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Old 05-27-2008, 03:41 AM #7
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Default Re: Laser polycephaly

You two make me wanna do a polychephawhatchmacallit too. :P

Nice work.

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Old 05-27-2008, 03:48 AM #8
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Default Re: Laser polycephaly

I've been trying to sell my pair for a while now. *Nobody values a lower powered bluray and a lower powered red combo nowadays.
And for an additional $20 I'll throw in the flashlight head as well. *LOL so then it will be 3 heads.
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Old 05-27-2008, 04:04 AM #9
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Default Re: Laser polycephaly

Quote:
Originally Posted by Kenom
I've been trying to sell my pair for a while now. Nobody values a lower powered bluray and a lower powered red combo nowadays.
And for an additional $20 I'll throw in the flashlight head as well. LOL so then it will be 3 heads.

IGorT and I were talking about this yesterday. Two months ago people were babying their PS3 diodes to keep them from blowing and scraping $300 together for a 6X. Now even my dog has a blu-ray

I would be making one (two?) just to say I did it.

Peace,
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Old 05-27-2008, 05:10 AM #10
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Default Re: Laser polycephaly

Quote:
Originally Posted by chido
Nice, you should solder a capacitor too for a little bit more protection.
At the time I thought of this it was already soldered shut, and I didn't feel like opening it again. It should be safe anyways for slight over voltage as it operates only on 200mA.

eehm polychephawhatchmacallit..... wut??

__________________
405nm 166mW adjustable lab
405nm 130mW Xtreem
445nm 0.005W@1.7A semi-ghetto peltier-cooled labby-style handheld on batteries (BLL)
532nm 40mW New Wish pointer
630nm 5.00mW stable pointer
630nm <5mW mini (batteris+switch inside Aixiz)
660nm 265mW@0.5A Leadlight
660nm 208mW adjustable lab
808nm ~450mW floodlight, 7-laser, no optics
808nm 140mW IR module
...
Omitted are minor lasers, unworthy lasers, and bare diodes.

Forever wanted: ~505nm laser (and not just one of many lines!)
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Old 05-27-2008, 09:52 PM #11
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Default Re: Laser polycephaly

Quote:
Originally Posted by Kenom
actually the driver in this particular minimag is regulated since it's an LED in this one.
Oohh!!!! NVM then, I thought it was one of the normal crappy mini mags. ;D
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