I will be using 100mw 532nm, 100mw 473nm and 350mw 650nm.

This is the housing i had custom made by E.J.Owen Engineering, 2 The Mazes, East Street, Braintree. The box is made of mild steel and has two 5mm thick aluminium boards for mount the parts to. I also had a arm made to fit the scanner onto the stand. Thanks to the guys at the metal shop for making this, its perfect!

Both aluminium boards unscrew and slid out

The box on the stand

Spraying

First i cleaned the box with white spirit, then washed it with soap and water..

Next i primed the box

Then i sprayed it black, it looks patchy but that because its still wet

Im using a slightly different set up to most people, this is not a prefered method as there is more loss involved. As soon as the beam exits the module it hits a 45 degree mirror, this is so i can adjust the height of each beam. This means when the three beams hit the dichros i can get each beam the exact same height making them easier to align and far field alignment much easier. Im currently using 94% reflective mirrors, i will be upgrading to 99% reflective mirrors.

Each time a beam hits a mirror it looses a small % of power.

This is the green beam, being the furthest away hitting roughly the centre of each dichro

The alignment

The PSU's will be mounted on the bottom level.

Finally putting it all together

im running -

500mw 650nm (red)

500mw 532nm (green)

100mw 473nm (blue)

Each module is analogue, so i can get a perfect colour mtch including white.

White -

The finished scanner in action -

Video

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