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Old 10-28-2010, 06:06 PM #1
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Default >1w portable 445 laser with homemade driver (images and video)

My portable build:





working at my hands:


The beam in the evening at sunset:


The beam and the fog:


The dot at 100m distance:


my homemade boost driver (big inductor is at other side of board)


the driver's electrical scheme:


And some videos

Construction and beam:


Parer lighting:


Macro of 445 nm laser beam:


Some info about laser:
  • Diode from A130 projector
  • 1.5Amp current at laser diode (>1w of power)
  • 405nm Aixiz glass lenses
  • 18650 2800mA*h battery
  • boost driver with TPS61030 chip (~85% efficiency)
  • It works continuously about one hour until battery discharged
Attached Thumbnails
>1w portable 445 laser with homemade driver (images and video)-p9081217-small.jpg   >1w portable 445 laser with homemade driver (images and video)-p9081222-small.jpg   >1w portable 445 laser with homemade driver (images and video)-p9171251-small.jpg   >1w portable 445 laser with homemade driver (images and video)-pa091732-small.jpg   >1w portable 445 laser with homemade driver (images and video)-pa091738-small.jpg  

>1w portable 445 laser with homemade driver (images and video)-pa101742-small.jpg   >1w portable 445 laser with homemade driver (images and video)-tps61030.png   >1w portable 445 laser with homemade driver (images and video)-pa091724-small.jpg  


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Last edited by ArtDen; 10-30-2010 at 04:17 AM.
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Old 10-28-2010, 06:15 PM #2
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Default Re: >1w portable 445 laser with homemade driver (images and video)

Отлично! Excellent work! Happy to see Mother Russia represented on the laser DIY map.

BTW, just something about the look of that heatsink makes me think it will come to life and run away. I love it though!
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Old 10-28-2010, 06:34 PM #3
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Default Re: >1w portable 445 laser with homemade driver (images and video)

Wow that's impressive.
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Old 10-28-2010, 10:05 PM #4
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Default Re: >1w portable 445 laser with homemade driver (images and video)

Great build, and your English is fine.

Really impressive home-made driver.

I love the look of it too, very industrial.
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Old 10-29-2010, 09:02 PM #5
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Default Re: >1w portable 445 laser with homemade driver (images and video)

It looks like one of the smaller transformers from revenge of the fallen Great beam shots.
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Old 10-29-2010, 09:10 PM #6
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Default Re: >1w portable 445 laser with homemade driver (images and video)

I like that beastly heatsink on the end. Looks like you will have NO worries about duty cycle
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Old 10-30-2010, 04:05 AM #7
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Default Re: >1w portable 445 laser with homemade driver (images and video)

Quote:
Originally Posted by vk2fro View Post
I like that beastly heatsink on the end. Looks like you will have NO worries about duty cycle
Yes, it works continuously about one hour without overheat!
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Old 11-04-2010, 10:32 PM #8
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Default Re: >1w portable 445 laser with homemade driver (images and video)

Very nicely made And very nice driver indeed

Was it hard to get a130 in Russia?

Vsego horoshego.
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Old 11-04-2010, 10:47 PM #9
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Default Re: >1w portable 445 laser with homemade driver (images and video)

If spiderman's laser had a heatsink, it would look like that ^_^
Great job on the build bro. Very unique.
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Old 11-05-2010, 02:22 AM #10
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Default Re: >1w portable 445 laser with homemade driver (images and video)

Beautiful laser. Can't wait to build a 445.
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Old 11-05-2010, 09:54 AM #11
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Default Re: >1w portable 445 laser with homemade driver (images and video)

Quote:
Originally Posted by gillza View Post
Was it hard to get a130 in Russia?
No. There are several laser forums in Russia and they do group buys like here. I get the 2 diodes from A130 at the price of only $43 for each
Quote:
Originally Posted by gillza View Post
Vsego horoshego.
Thanks
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