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Old 11-01-2016, 04:04 AM #1
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Thumbs up Homebuilt rgy laser using legos

So having been not buying any new lasers yet, i continue to find things fun to do with the lasers i currently have.
A while ago i took apart a camera and found this little glass thingy that reacted with light in ways i knew normal glass wouldnt. So i tried pointing my lasers through it and got a pleasant suprise when i saw that the red reflected and the green went straight through!
Ofcouse the first logical move was to try to combine the beams.
That proved to be a difficult task.
Very difficult.
But i eventually got it!
So i went out of my way to try to find some way to mount such optics, and made many attempts at a setup. None of which were very stable.
Then i had an idea...
"Ya know, legos look very similar to the way ive seen some crazy dpss setups, maybe i can arrange such legos in a manner that i could just plug my handhelds in and ba bam, yellow!"
And i did.
And i was successfull.
And i took a video of it!

https://youtu.be/MlhmevWjmWw

Now on my youtube channel i have some other videos of my older prototypes.
I should really clean my dichro.


Also a friend of mine in bulgaria says he lives not far from a semiconductor factory, and he claims that he could get some 488nm diodes at 200mw for the outrageous price of $20 a pop. Doubt its real, probably some more 425nm


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Last edited by Merpie101; 11-01-2016 at 04:10 AM. Reason: Typo :p
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Old 11-01-2016, 04:26 AM #2
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Thumbs up Re: Homebuilt rgy laser using legos

Impressive:-) Great idea to take advantage of the Lego layout. I used to spent days and days building imagined structures and spaceships. +rep young man.
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Old 11-01-2016, 09:50 PM #3
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Default Re: Homebuilt rgy laser using legos

Great idea, I think I may buy some Legos.
+rep
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Old 11-02-2016, 03:24 AM #4
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Default Re: Homebuilt rgy laser using legos

Quote:
Originally Posted by Antharak View Post
Great idea, I think I may buy some Legos.
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Great job Merpie!
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Old 11-02-2016, 01:39 PM #5
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Default Re: Homebuilt rgy laser using legos

Great Idea. Thumbs up on the video. I'm going to pretend I didn't see the last part about the 488nm diodes.
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Old 11-02-2016, 02:02 PM #6
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Default Re: Homebuilt rgy laser using legos

Quote:
Originally Posted by Trendkilla254 View Post
Great Idea. Thumbs up on the video. I'm going to pretend I didn't see the last part about the 488nm diodes.
he said hes gonna stop by the factory today to get an engineering sample
trying to convince him to make an account here
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Last edited by Merpie101; 11-02-2016 at 02:05 PM.
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Old 11-06-2016, 11:05 PM #7
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Default Re: Homebuilt rgy laser using legos

I have found that Lego is actually a very good platform, even for semi-precision work. I've used Legos to build everything from motorized translation stages to single-slit diffractors:



It's obviously not suitable for sub-micrometer work, but its flexibility still makes it a very useful tool. It's great for general experimenting without investing in an optical breadboard/optical mounts/what have you. I think there's just a bit of stigma attached to it, which means most people won't even think about it.

+REP
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