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First Trial Run of the new RGB Laser Projector

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Uploaded on Apr 1, 2010

I've been designing and constructing this full colour (Red/Green/Blue, 3 x 8 bit/24 bit Colour) laser projector. Should be approximately 2 Watts of laser power. Class 4 laser - very hazardous!

A quick test of the colour combining and scanning alignment. The first clip shows the 3 lasers combining with some unwanted transmission through the combining dichroics (see the two extra beams?). The second clip has those masked and all you see is the combined beam scanning from the galvanometer-mounted mirrors.

The main components are:

1 x Laser Century 450+ mW+ 473nm Laser, Lab-style PSU & 10kHz analogue modulation
1 x CNI 450+ mW 532nm Laser, OEM PSU & 10kHz analogue modulation
1 x CNI 900+ mW 635nm Laser, OEM PSU & 10kHz analogue modulation
2 x Adjustable optical mounts with colour combining dichros in the order Red add Green... add Blue
2 x Adjustable optical mounts with first surface mirrors
2 x Cambridge Technology 6800HP scanners
2 x Cambridge Technology CB6580 Rev. D scanner amps

Wiring is as per the ILDA standard.

Show control provided by Mamba Black and the USB to ILDA peripheral.

Other components provide cooling as well as safety features including remote kill switch, safety interlock and scan fail detection.

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