The hiring manager contacted me prior to the formal telephone interview, and was quite pleasant and excited about my application. The formal telephone interview followed a week later as a teleconference with a small panel asking primarily technical questions. One of the people was loaded with trick questions and many trivial questions to boot – like what you might ask a June grad. After a while, it became extremely annoying, and I decided that this was a person I would NEVER care to work with or around. I assume he was applying for the same position or had a buddy he wanted for the slot. Glad I didn't waste too much time on that place.

Asked to define several specific radiometric terms.

My resume mentioned design of optics used with LEDs. Expounded on the need for extensive experience with LEDs.