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LOL... ahh this really does suck!

Hey guys, thanks a lot of ur input on all this. I understand this whole beam splitter and diffraction grafting a lot more better now through reading your comments and also doing some fair bit of research online. I guess the only way I could do this successfully without having to deal with any...

Actually I never thought of that. So basically how it could work is this... First of all the laser is fired from the side at the bottom of the frame... which then gets redirected 90 degrees by a right angle mirror... then through the driffraction grafting lens. That would work really well. I...

Thanks mate, that does help alot but im still a bit confused when hes talking about the beam splitters and glueing them onto a metal plate?

Yea basically the beams will feed into a series of photosensor diodes, which will feed an on/off analogue signal into a midi sense board that basically converts that analogue on/off signal into MIDI information. This midi information then can be read by computer music programs or synthesizers...

Hey everyone, hope all is well... I am constructing a laser harp instrument for one of my university projects and as you guys are more experienced with lasers, I thought i'd seek your help. Well first of all, i am working within a budget so I cannot afford a big laser device so probably...