School of Physics, Georgia Institute of Technology, Atlanta, GA 30332-0430
 

Swamp Optics offers GRENOUILLEs and custom FROGs for sale at very low prices. These devices also measure the beam spatial profile and spatial chirp.

Kenneth Delong, one of the original developers of FROG, has founded Femtosoft Technologies. The site contains a record table of the world's best FROG errors and other additional FROG related information, as well as information about commercial FROG software and consulting services.

Bob Stockwell's Datanaut Page is a good place to look for information on time-frequency analysis.

J. R. Fienup, one of the chief developers of phase-retrieval, works at ERIM.

The Bucksbaum Group studies the interaction of atoms and molecules with ultra-intense ultra-short laser pulses at the Center for Ultrafast Optical Science at the University of Michigan.

Daniel J. Kane, one of the inventors of FROG, works now at Mesa Photonics, LLC, Inc.