TORRANCE, Calif., Dec. 1 -- Physical Optics Corp., a Torrance, Calif.-based manufacturer of holographic light-shaping diffuser films, optical components, holographic light pipes and high-resolution rear projection screens, has announced its 2005 trade show schedule: Sea-Air-Space Exposition 2005 (the Navy League of the United States), March 22-34, Marriot Wardman Park Hotel, Washington DC FOSE 2005 (Federal Office Systems Exposition), April 5-7, Washington Convention Center TechNet International 2005 (Armed Forces Communications and Electronics Association), May 17-19, Washington Convention Center 2005 AUSA Annual Meeting (The Association of the US Army), Oct 3-5, Washington Convention Center