February 2008

The New Generation of Physical Effect Colorants

Faiz Rahman and Nigel P. Johnson

Unlike traditional chemical dyes, physical pigments achieve their hues by directly manipulating light waves. They are being actively pursued by the printing and packaging industries, for decorative purposes, and in transportation and security.


Laguerre Mathematics in Optical Communications

The mathematical studies done by Edmond Nicolas Laguerre in the 19th century laid the foundation for contemporary optical communications.

A Pre-History of Computer-Generated Holography

This month’s edition of the journal Applied Optics is a special issue devoted to the contributions of the late Emmett Leith. As a tribute to his dear friend, the author discusses the significance of Emmett’s work and his own role in inventing computer-generated holography.

Chalcogenide Glass Photonic Chips

Signal processing for the next generation of the Internet


Mystic Cameras

Retinal Device Helps Study Blood Flow in Mice

Did You Know?

OSA Politics Get Local


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