Well, I finally graduated to a larger laser, but I am not very happy with the beam quality. It has large concentric rings, with no appearent contamination. I haven't tried to resolve this with the manufacturer ( I truly forgot who it is). So... I focused the beam to a very small point , and guide the light where I need it with a small fiber optic(sort of like in Frank's book). The thing I noticed is that my holograms have a grainy appearance. I also believe that the polarization is completely gone. It is my theory that the larger the fiber optic diameter, the less sharp my image will be. Does any one have any experience with this? What I truly find appealing is that I can do multi beam setups by focusing the beam on multiple fiber optic strands, and conveying the light where I want it. All this on a 2'x2' table.
Colin - Mon, Jul 02, 01 06:36:31 PM
Blueeyedpop - Tue, Jul 03, 01 10:56:56 PM
Colin - Wed, Jul 04, 01 12:04:50 AM