i have a couple of ittem for sale
3x beam expander / collimator made by omitec
ar coated and is broardband
polarized rgb combiner / seperator
ie white in rgb out or the other way around join rgb for white out
this cube came from a 3 lcd projector
no idea what they are worth but sensible offers please
may put them on fleabay
excuse crap pics taken on mobile phone
can get better ones if you want
will swap for red laser diodes