7th Meeting in Israel on Optical Engineering : proceedings : 12-14 November 1990, Tel-Aviv, Israel / Moshe Oron, Itzhak Shladov, chairs/editors ; organized by AEAI--Association of Engineers and Architects in Israel, ILEOS--Israel Laser and Electro-Optics Society, Ministry of Science and Technology ; sponsored and published by SPIE--the International Society for OPtical Engineering.