optics software

[kristofer29]

does anyone recommend any particular optics software? i think i mostly just need it for ray-tracing, and since i have no experience with some of the heavy duty packages, i would like to avoid something that will be hard to use/learn. any suggestions?

 

[IRstuff]

There's a free version of OSLO:

http://www.lambdares.com/downloads/index.phtml

TTFN