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Laser-Based Item Monitoring System Offers Alternative to Video Surveillance

Surveillance systems take on a new look with a technology developed by researchers at the Department of Energy's Oak Ridge National Laboratory.

13 Jul 2007

New Sodium Laser for Astronomers

A new sodium laser is giving 50 times more sky coverage to the atmospheric-correcting technology known as adaptive optics on the Keck II telescope at Mauna Kea, Hawaii.

13 Jul 2007

Innovations in Optics-Based Communications

Researchers will announce some of the latest breakthroughs and innovations in optics-based communications at OFC/NFOEC 2006--the largest and most comprehensive international event for optical communications.

13 Jul 2007

New, Nanoparticle-Based Multi-Probe Systems for New Generation of Medical Imaging

Since X-rays were discovered more than a century ago, triggering a revolution in medical imaging, clinicians have sought more powerful ways to "see" into the human body.

13 Jul 2007

High Resolution 4Pi Microscopy Reaches the Nucleus

Confocal light microscopy has been an important tool for biomedical scientists as they work to unravel molecular events occurring within human cells.

13 Jul 2007

Ultralight, Handheld Terahertz Spectrometer

"T-rays" have been touted as the next breakthrough in sensing and imaging, but the need for bulky equipment has been an obstacle to reaching the field's potential.

13 Jul 2007

Cylindrical Gold Nanorods Detect and Kill Cancer Cells

Researchers at the Georgia Institute of Technology and the University of California, San Francisco, have found an even more effective and safer way to detect and kill cancer cells.

13 Jul 2007

New Technology to Improve Spectrometers

Being the delicate optical instruments that they are, spectrometers are pretty picky about light.

13 Jul 2007

Fiber-Based Light Source Promises Improvements In Food Inspection

A new light source based on fiber-optic technology promises to improve the inspection of food, produce, paper, currency, recyclables and other products.

13 Jul 2007

Optical Cloaking Device

Researchers using nanotechnology have taken a step toward creating an "optical cloaking" device that could render objects invisible by guiding light around anything placed inside this "cloak."

13 Jul 2007