March 2010

Forty Years of Optical Manipulation

David McGloin and Jonathan P. Reid

This year, as the laser celebrates its 50th anniversary, a field that was made possible through laser technology reaches an important milestone as well. Over the past 40 years, optical manipulation research has deepened our understanding of physics and biology, and it has yielded the optical-tweezer technique that is used across all the sciences.


Lasers in Communications

Low-cost semiconductor lasers power the shortest networks in the data center and the long-haul links that speed information around the globe. Today, lasers are integrated into photonic circuitry and even optical cables.

Hermann von Helmholtz: A 19th Century Renaissance Man

Hermann von Helmholtz was many things to many people: physicist, teacher, medical doctor, aesthete and more. He drew on his extensive knowledge of many fields to invent the ophthalmoscope—a device that revolutionized ophthalmology—when he was just 29 years old.

The Promise of Diffractive Waveplates

Diffractive waveplates exhibit the high diffraction efficiency of Bragg gratings in micron-thick material layers.

 

OPN Talks with Philippe Keryer

OPN Talks with Hideo Myahara

Chilean Children Take a Voyage of Light

Optics in India

A Popular History of the Laser

Flat Lens Zooms Fast

Filming Freezing Flies

Did You Know?

Brace, Skinner and Tuckerman: Optics in the Heartland

 

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