those are the exact open loop galvo's ive got! and yeah they only reflect a certain wavelengthbut i managed to unglue the mirrors by resting the coil of the galvo on an eraser, and then GENTLY pressing a brand new stanley knife blade on the glue between the mirror and galvo face. the face is flat and smooth underneath. Then i removed the orange paint from the back of a normal mirror with paint stripper to make some FS mirrors
those were the days
I had a load of optics in the assembly i bought (dont know whether it was from an optical disk player mind you, its a bit before my time :P , including a combining cube, electromagnetic focusing lens, and two diffraction gratings i think
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