Cover Story

Researchers at the University of Arizona’s College of Optical Sciences and Nitto Denko Technical Corp. have created a rewriteable holographic display that may one day enable 3D holographic film. more>>

Features

Guiding Light with Long-Range Plasmons

Long-range surface plasmons are characterized by unique electromagnetic properties that could reshape our vision of integrated optical circuits and other chip-scale photonic applications. more>>


Photoacoustic Tomography and Microscopy

By converting light waves into sound, researchers have developed a high-resolution biological imaging technique that allows them to see living tissue at new depths. more>>


The Quantum Cascade Laser: A Versatile and Powerful Tool

Many applications in the infrared are awaiting the right laser source. Advances in quantum cascade lasers will enable powerful new technologies to become commercial realities. more>>


Phase-Shifting Digital Holography

Digital holography generally offers more flexibility than conventional holographic interferometry and speckle interferometry because of its simple setup and easy accessibility for 3D surfaces. more>>