Introduction: Cool Laser Tricks!

Picture of Cool Laser Tricks!

This is a compilation of my favourite laser tricks, that I like to show to my friends when they come to my place.
I hope you will like it and get some new ideas... pls vote 5 stars :)

Step 1: Before We Start...

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Step 2: Mirrors

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I guess I don't need to describe what to do with these... just use your imagination and make the best laser trap ever! :D
I found nice 1cm mirrors (not-first surface) with some adhesive thing on their back side (useful for the laser traps :D)

no, I'm just kidding, mirrors can make some cool effects!

Step 3: Motors

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Motors are most commonly for making spirographs. The simplest one is using 2 motors, but there are also 3 and 4 motor spirographs that make WAY cooler effects.
This is my ghetto 2 (the 3rd motor broke off) spiro, built on some scrap wood piece using lot of hot glue.

Step 4: Diffraction Grating

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You probably know this one...

Step 5: Crystal Balls

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These will cause a lot of diffractions when a laser is shined through them.

Step 6: Slow-rotating Motors

Picture of Slow-rotating Motors

But who wants to spin the shiny things form previous step manually... Let's use some slow motors to do this!

Another cool effect is to slightly melt a CD or DVD and attach it to slow motor. Makes best effect with a white (combined from red, green and blue lasers) or multiline Argon laser.

Step 7: Optics From Sleds

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Always when I got some old CD or DVD drive, I completely rip all the optics from it (even if the diode is useless). Sometimes I get some pretty interesting optics
Here I'm showing the diffraction gratings from various sleds (I can recommend the PHR-803T sled, there are 2 of them)

Step 8: Lumia Wheel

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Well, in my case its more like "LUMIA DOOR"... but you get  the point LOL
This effect is made using some kind of textured glass which is cut into a circle and slowly rotated in front of the laser.

Step 9: LCD Takedown!

Picture of LCD Takedown!
If you disassemble the color LCD module from old cellphone, you'll get few interesting things: 2 (or more) fresnel lenses (which are great as line generator optics), some kind of plastic light diffuser and 2 polarization filters (these are hard to get, you must rip these off from the glass part of LCD). I'm showing these in the following video:


coolo52 (author)2011-04-24

very neat makes me wish i remembered where i put my laser pointer..............maybe in my junk drawer

furri (author)2011-04-18

Congratulations... i just remember when i built my laser spirograph years ago, i investigate as you with mirrors, motors, lens, 3D glasses, fresnell and... the glass of the door... thanks for register all this in video... you have my vote.

3zuli (author)furri2011-04-18

thanks :)

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