Old 09-21-2008, 08:55 AM #1
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Default how can i make a thin beam with leds

is there anyway i can several LED's (20 or so) and then make them all join at one point to make a thin beam (such as a laser)
everyone seems to say its (imposible) but im prety sure it is achievable.



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Old 09-21-2008, 09:43 AM #2
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Default Re: how can i make a thin beam with leds

Ring up an optics company and ask them if they can make an optics package for that. I think people here are tired of answering these 'can i focus XXX into a beam' questions. Trust me, if it wasn't hard to do candlepowerforums would be all over that shit.
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Old 09-21-2008, 10:48 AM #3
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Default Re: how can i make a thin beam with leds

Quote:
Originally Posted by VillageIdiot
Ring up an optics company and ask them if they can make an optics package for that. I think people here are tired of answering these 'can i focus XXX into a beam' questions. Trust me, if it wasn't hard to do candlepowerforums would be all over that shit.
Yea , what he said. :


Here's a way of making a beam out of many LEDs though: Make a long straight line out of something like wood or plasting, stick LEDs in, wire them up and add power

No but seriously, combining two laser beams is hard enough.Combining twenty LED beams is impossible, and collimating a LED beam to near laser divergence and diameter is impossible. :P
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Old 09-21-2008, 11:13 AM #4
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Default Re: how can i make a thin beam with leds

Yeah, I'm pretty sure we covered this just a day or two ago.
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Old 09-22-2008, 08:23 AM #5
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Default Re: how can i make a thin beam with leds

ha ha, k, well i read some stuff on coherent and non-coherent so i guess that has some stuff to do with it.
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Old 09-22-2008, 04:14 PM #6
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Default Re: how can i make a thin beam with leds

read the post called "collimating non coherent light" (i started it)
http://www.laserpointerforums.com/fo...num=1221369956

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