I just found out that Rami Arieli has a web page
devoted to lasers (for Grades 11-12, and college
level in Israel). http://stwww.weizmann.ac.il/lasers/
Unfortunately, I was not able to see his applets
on my Mac 8500 AV. It has Netscape 4.51; Java
and JavaScript are enabled.
Ludwik Kowalski