[quote author=Fu-Kwun Hwang link=topic=2454.msg9252#msg9252 date=1338371376]
The optical bench simulation you found was created by a US professor (Wolfgang Christian) who is a friend of mine.
Let me know if you still need more help!

Thanks for your reply! How small the world is....  ;)

Im fine with that simulation, I think I can yuse it to explain what I need....
Have a great time!