i have a ps3 laser assembly WITHOUT the laser diode that i am wanting to trade for an un-modded leadlight.
this website shows lost of pictures and explains all of the optics aswell
http://www.fineartradiography.com/hobbies/lasers/blu-ray/index.html
it has 2 beam splitter cubes, 2 difraction gratings, a doublet lens, and some more random optics.