SPIE to add earliest articles to SPIE Digital Library

SPIE, the international society for optics and photonics, this year will add conference proceedings and journal articles under its imprint that are currently available only in print to its SPIE Digital Library. The addition will extend the digital collection to the beginning of the society's publishing program. Approximately 40,000 technical papers dating from 1962 through 1989 will be added to the existing content at no additional charge to subscribers