My first RGB laser show.

PLEASE, NO NEED TO POST ANY ADDITIONAL COMMENTS ABOUT MY NEGLIGENCE WHEN I DID THAT SHOW. I ADMIT I COULD HAVE USED MORE JUDGMENT. I DON'T DO AUDIENCE SCANNING ANYMORE.

This is my homemade RGB laser projector. It has a total output power of about 550mW and perfect white balance.

I used:
- 50mW blue 473nm
- 100mW green 532nm. It has been optically attenuated to achieve good white balance.
- A custom made dual red, combined in a polarized cube beam splitter. Each red is 200mw at 660nm (total ~400mW). They are driven by my own laser diode driver.

I use NLS software and its buddy, the ILDA-compliant FrameStreamer Express (FSX 1.1) USB DAC.

I am selling laser projector-related kits on eBay. See seller ID eKits4All.

Category:

Entertainment

Tags:

• RGB
• laser
• projector
• ILDA
• show

[legato7798]

Hi to all, and thanks for posting comments.

Now, I admit that I was not very wise to do audience projections with this system. Even though I took care to chose only animations that had fast moving beams, I should have aimed way up above the heads. No one got injured. After that show, I did only two others, but did not aim at the crowd anymore.

I do not plan to do shows anymore since I am concentrating on consultation projects.

BTW, I'm in Canada.

[sauerland68]

DANGER DANGER For the Eys.!!!

This is willful bodily injury!

at least 2.7 m above the ground and no standing beams scan the audiens.

[GILASERS1]

Nice work! dont listen to those negative remarks you know what your doing fast scanning = blink safe = ok :-) tho try not to make a habit of it :-)

[coolLightspro]

where can i get plans and how much they cost

[wowerman]

did you make galvos yourself?

[Mackaveli7]

cool laser show man!

[gothmael]

I'm going to make an IR laser scanner than people watch through their iPhones. xD

[imasdpic]

hello, where you bought this lens to make the rgb?

[divuzzola1]

beautiful laser system, I'm also building a similar, the audio track at 0:23 is REAL MCCOY ANOTHER NIGHT-.

[JSprayaEntertainment]

hmmm .. how can i add another scanner to my rgb system ?

[SniperPIKACHU]

@DeisisAndDrosera Also, not all energy can be prefectly converted into 532nm and some of the 1064nm energy can still pass through. Especially for cheaper and non high end laser diodes, the KTP crystal may not be prefectly aligned and only a little of the 1064nm be converted into 532nm. That inefficiency causes a lot of IR to go out to the diode. Try going to ebay and get a cheap green laser module, hook it up to a power supply and watch the output under a phone camera, you may see IR light.

[SniperPIKACHU]

@DeisisAndDrosera Yes, green color alone is not near IR spectrum but you know how some green LD are made? For some green laser diode, IR light from a diode laser pumps light at a wavelength of 808 nm into a transparent crystal of Nd:YVO4, causing the crystal to lase into a deeper wavelength at 1064 nm. This energy passes through a crystal of Potassium Titanyl Phosphate (KTP), then emits light half ot the wavelength (532 nm) and become the color of the green laser.

[DJsonnyANTWERPEN]

beautiful done!!!!!