The Kogaku Symposium is held annually to provide a forum for the discussion of new ideas and achievements in the field of design, manufacturing, and evaluation of optical systems and/or elements. Papers on practical aspects in this field are especially welcome. You are cordially invited to participate in the 31st Kogaku Symposium.

Organizer	OSJ (Optical Society of Japan) (An affiliate of the Japan Society of Applied Physics)
Date	June 22 (Thu.) & 23 (Fri.), 2006
Venue	University of Tokyo (Meguro, Tokyo, Japan) (Institute of Industrial Science, University of Tokyo Komaba Research Campus)
Deadline (abstract)	March 8 (Wed.), 2006
Deadline (paper)	April 27 (Thu.), 2006

-- Presentation (Discussion) Languages -- Japanese or English -- Lecture method -- Oral presentation with PC projector. -- Qualification for submission -- Member of OSJ, JSAP, OSK, SPIE or cooperation group -- Abstract submission -- Please send the following contents by E-mail (mail / fax is acceptable). Title, full name (featured speaker ), department name, abstract (less than 200 characters), address (zip code, address, full name, E-mail, telephone, fax) -- Contact address for abstract submission and for obtaining further information -- Tokuyuki Honda (Conference Chair) Canon Inc. 23-10, Kiyohara-kogyodanchi, Ustunomiya-shi, Tochigi, 321-3298 Japan E-mail : fax : +81-28-667-9602 -- In Mutual Cooperation with -- SPIE (The International Society for Optical Engineering) OSK (Optical Society of Korea)