Unmanned-Aircraft Sensor Could Detect Cave Dwellers
A sensor suite designed for unmanned aircraft promises sensitivity and resolution high enough to...
Laser Tweezers Transport Cell-Size Liposomes
Researchers at Kyoto University in Japan have demonstrated a method to trap and transport cell-size...
Laser Enables Robust Quantum Communication
Quantum communication is the key to such advances as quantum computing and encryption. In a...
Method Proposed for Single-Cycle Pulses
Using computer simulations, researchers from the University of California and the University of...
Near-Field Optics Pattern Photosensitive Sol Gel Films
Scientists from École Polytechnique in Palaiseau, France, have created nanometer-scale patterns in...
Measurement Offers Insight into Diodes
Unamplified spontaneous emission and gain spectra offer insight into the behavior of semiconductor...
Near-Field Microscopy Maps Nanoscale Material Compositions
Far-field microscopy techniques typically cannot map different types of materials on multicomponent...
Laser Emissions Induced in Micron-Scale Silicon Aggregates
Researchers from the University of Illinois in Urbana-Champaign have induced 610-nm laser emissions...
Welding System Monitors Gas Shield
Although laser welding is widely used in manufacturing, it has not yet found a home in the...
Laser System Detects Explosives Remotely
Traditionally, the most sensitive techniques for detecting explosives have involved sampling and...
Quantum Hall Far-IR Photodetector Evaluated
The ability of modulation-doped AlGaAs/GaAs heterojunctions to detect far-IR radiation has been...
Dye Lases by Three-Photon Excitation
Researchers at State University of New York in Buffalo have developed an organic dye that absorbs...
Quantum Dots Offer Single Photons
Quantum key distribution systems promise to enable unbreakable codes for the transmission of...
Ruthenium-Doped Nanotubes Fluoresce
Using a chemical vapor-deposition technique, a research team from Pennsylvania State University in...
Raman Laser Displays 62-µW Threshold
Raman lasers promise applications in telecommunications as sources for component testing and as...
Ringdown Caught with Single Shot
A team from Los Gatos Research in Mountain View, Calif., has developed a modified version of...
Fiber Measures Behavior of Adhesives
At Corning Inc.'s Science and Technology Div. in Corning, N.Y., scientists have developed a...
Antenna Produces High-Energy Terahertz Radiation
Researchers from the University of Electrocommunications in Tokyo and NEC Corp. in Kanagawa, Japan,...