Holographic optical elements and displays : 4-5 November 1996, Beijing, China
Optical enhancements to computing technology : 22-23 July 1991, San Diego, California
Workshop on Photonic Logic and Information Processing : 11 - 13 November 1986, Huntsville, Alabama
High-power lasers in energy engineering : 1 - 4 November 1999, Osaka, Japan