Hosted by RP Photonics Consulting GmbH and compiled by Rüdiger Paschotta, this encylcopedia covers basic terminology and principles of laser physics and technology as well as topics in general optics and optoelectronics, nonlinear optics, quantum optics, fiber optics, and optical communications.
This is a free electronic encylopedia of chemistry that is searchable and browsable.
This is a free electronic encylopedia of physics that is searchable and browsable.
The Macmillan Encyclopedia of Energy contains over 250 illustrated articles, covering all topics in the field of energy. It also includes biographies.
Oxford Reference Online provides access to several resources related to nanoscale science and engineering. They may be searched together at the link above or separately at the links below:
Compiled by Laurin Publising, the Photonics Dictionary contains definitions to more than 6,000 terms, along with acronyms and abbreviations.