Here is what I've been doing at work....
when I'm not playing solitaire
Click on a thumbnail for a larger picture

This is probably one of the most fun projects that I have worked on.  I get to play with lasers, mirrors, beam splitters and telescopes.

Here are some assemblies that I have designed.

Here are two sub-assemblies that I am working on.

This is the final assembly concept that combines all these assemblies..