Plastic optical fibers : 6 September 1991, Boston, Massachusetts
Optical data storage : 5-7 March 1990, Vancouver, Canada
Optical data storage : 9-14 February 1992, San Jose, California
Optical data storage '91 : 25-27 February 1991, Colorado Springs, Colorado
Active and adaptive optical systems : 22-24 July 1991, San Diego, California
Optical enhancements to computing technology : 22-23 July 1991, San Diego, California
Holographic optical elements and displays : 4-5 November 1996, Beijing, China
High-power lasers in energy engineering : 1 - 4 November 1999, Osaka, Japan
Optical technology for microwave applications II : April 9-10, 1985, Arlington, Virginia
High-power lasers in civil engineering and architecture : 1 - 3 November 1999, Osaka, Japan