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Apr8-09, 01:38 PM
You could get a diffraction pattern of a small slit or wire ( human hair works). Experiment with double slits, and many more.
You could try to burn something, but you need a good lens and exact alignment.
Its usual operation wavelength is 632.8 nm. Red part of the spectrum. So no chemical reactions that i can think of will occur (except very photosensitive materials).
With a crystal of potassium titanyl phosphate and complicated assembly you could double it's frequency ( 316.4 nm ).
thx lok i'll try these (1st two)
hi ive looked at holography, would it be possible to replace the photographic paper with a digital camera??