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Old 01-29-2010, 01:54 AM #1
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Default 20mw Greenie Starts a match by removing just one thing.

So i recently decided to open up one of my older 20mw greenies from DX, I'm getting a better 50mw
focusable so i didn't need this one.(plus I've got a few others like it) so i did a little experimenting and
made it so that it is able to start a match w/o an external focuser.









I got a driver with diode housing and optics, it comes apart into four pieces. I took out the pieces with
an X, i didn't need the lens cap thingy cause it wouldn't let the contact reach the batteries if i didn't get
rid of it and then i put it back together.





After I did this the divergence went to shit but you cant really see it well from the pic but its really bad
it's also really focused at the aperture, good for burning.



Here is a video of it starting a match, bear in mind that before i did anything to it this laser couldn't pop
a black balloon or anything at all.

Attached Thumbnails
20mw Greenie Starts a match by removing just one thing.-_cimg0044.jpg   20mw Greenie Starts a match by removing just one thing.-_cimg0045.jpg   20mw Greenie Starts a match by removing just one thing.-_cimg0048.jpg   20mw Greenie Starts a match by removing just one thing.-_cimg0049.jpg   20mw Greenie Starts a match by removing just one thing.-_cimg0052.jpg  

20mw Greenie Starts a match by removing just one thing.-_cimg0054.jpg   20mw Greenie Starts a match by removing just one thing.-_cimg0056.jpg  


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Old 01-29-2010, 03:09 AM #2
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Default Re: 20mw Greenie Starts a match by removing just one thing.

it looks like you took out some expander lens.... and also pot modded it, judging by the holes over the pot. Correct me if I'm wrong.

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Old 01-29-2010, 03:20 AM #3
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Default Re: 20mw Greenie Starts a match by removing just one thing.

Ya maybe I did because I didn't know what it was. About the pot, well that didn't do squat no matter how I turned it it didn't change a thing, I don't know why though.
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Old 01-29-2010, 03:44 AM #4
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Default Re: 20mw Greenie Starts a match by removing just one thing.

Quote:
Originally Posted by brando132 View Post
Ya maybe I did because I didn't know what it was. About the pot, well that didn't do squat no matter how i turned it it didn't change a thing, i don't know why though.
there could be a component limiting the max current to the diode, I'm not well versed on green modules. But it looks like you just refocused it. Plus, it's probably overspec and putting out quite a bit of green/IR. That happens sometimes.

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Old 01-29-2010, 04:06 AM #5
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Default Re: 20mw Greenie Starts a match by removing just one thing.

I knew about the refocusing I was just merely pointing out that I could do so without anything else just the laser itself.
And it was my first foray into the workings of a green laser usually i just point them, but i might make one someday.
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Old 01-29-2010, 04:32 AM #6
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Default Re: 20mw Greenie Starts a match by removing just one thing.

Quote:
Originally Posted by brando132 View Post
I knew about the refocusing I was just merely pointing out that I could do so without anything else just the laser itself.
And it was my first foray into the workings of a green laser usually i just point them, but i might make one someday.
cool, well good work experimenting.

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Old 02-02-2010, 05:07 PM #7
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Default Re: 20mw Greenie Starts a match by removing just one thing.

It looks like you stripped the laser to it's bare minimum. A lot of the space in the module is taken up by a beam expander, which you removed. But please be carefull and check where you IR filter went, it sure isn't here now, so you're getting quite a bit IR out of it. Probably why it now burns much better.
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Old 02-02-2010, 05:54 PM #8
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Default Re: 20mw Greenie Starts a match by removing just one thing.

It's a cheap chinese one it didnt come with an IR iflter but dont worry I rarely use it in fact when I did ths was the first time in proably 2 months I didnt need it anymore so I decided to take it apart.
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Old 02-11-2010, 01:07 PM #9
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Default Re: 20mw Greenie Starts a match by removing just one thing.

That's cool, although it kinda went from pointer to ugly melty flashlight..
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Old 02-11-2010, 05:45 PM #10
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Default Re: 20mw Greenie Starts a match by removing just one thing.

It is ugly isn't it? but like I said its a peice of crap I dont use anymore so I thought I'd have some fun with it.
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Old 02-11-2010, 08:51 PM #11
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Default Re: 20mw Greenie Starts a match by removing just one thing.

Now, you should microwave it.
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Old 02-11-2010, 09:21 PM #12
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Default Re: 20mw Greenie Starts a match by removing just one thing.

"is it a good idea to microwave this?" -LMAO
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Old 02-11-2010, 09:47 PM #13
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Default Re: 20mw Greenie Starts a match by removing just one thing.

I would but I only got one microwave and I don't want it blowing up. cause then I got to buy a new one and that's less money for lasers :P
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Old 02-11-2010, 09:52 PM #14
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Default Re: 20mw Greenie Starts a match by removing just one thing.

I like the way u think.
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Old 02-12-2010, 05:32 PM #15
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Default Re: 20mw Greenie Starts a match by removing just one thing.

Me too.
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Old 02-17-2010, 08:33 PM #16
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Default Re: 20mw Greenie Starts a match by removing just one thing.

So is it somewhat safe to say that most green modules either come with a beam expander or the crystals are right up against the diode, one or the other but not both? And what's the point of expanding a beam; just to get more perfect collimation that doesn't diverge?
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