Optics and Photonics News

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Novel Microscopic System Converts Light into Mechanical Oscillation

A new microscopic system has been established by researchers at the Max Planck Institute of Quantum Optics (MPQ) and the Ecole Polytechnique Fédérale de Lausanne (EPFL).

14 Feb 2012

Gold Nanoparticle Channels Transmit Energy Through Dark Plasmons

A research team led by Stephan Link from Rice University has demonstrated that tiny channels of gold nanoparticles are capable of transmitting electromagnetic energy that begins as light and transmits through ‘dark plasmans.’

13 Feb 2012

Researchers Harness Plasmonics to Weld Nanowires

A Stanford University research team has developed a novel technique based on the physics of plasmonics to weld nanowires using a simple light blast, paving the way to develop easy and large-area processing methods for electronic devices such as LEDs, thin-film solar cells and touch-screen displays.

8 Feb 2012

Photonex Organizers to Hold Regional Roadshows for Photonics Researchers

Following on from numerous requests from industry, organiser of Photonex, Xmark Media, is organising a series of one day regional roadshows that facilitate face-to-face discussions with scientists and researchers who work with the latest tools and techniques in the world of photonics. The first meeting will be held at Imperial College, London on Thursday 26th April.

7 Feb 2012

MIT Researchers Develop High-Temperature Photonic Crystals

A group of researchers at MIT has developed a method of creating a high-temperature version of photonic crystals by using metals like tantalum or tungsten. Proficient to operate at temperatures up to 120000C, the new materials can employ portable electronic device-based applications, spacecraft to probe deep space, and new infrared light emitters functioning as sensors and chemical detectors.

6 Feb 2012

Optical Stimulation Makes Graphene to Release Terahertz Radiation

A research team comprising Leonhard Prechtel and Leonhard Prechtel from the Technische Universitaet Muenchen’s Walter Schottky Institut has devised a method to improve the time resolution down to the picosecond range for measuring photocurrent in graphene, which in turn helpedin detecting pulses in a few picoseconds.

3 Feb 2012

Carbon Nanotube’s Fluorescence Varies with its Length and Defects

A Rice University study on fluorescence of single-walled carbon nanotubes has discovered that the brightest nanotubes of identical length demonstrate uniform fluorescence intensity and their brightness varies proportionally with their length.

2 Feb 2012

Study Results Help Develop Atomic-Scale Plasmonic Devices

A research team from the Oak Ridge National Laboratory (ORNL) of the Department of Energy has demonstrated that point defects in graphene are helpful in transferring atomic-scale data by integrating electrons with light, paving the way to develop quicker and compact electronic devices.

2 Feb 2012

Berkeley Lab Finds Way to Improve Luminescence of Nanocrystals

A research team led by Paul Alivisatos from the Lawrence Berkeley National Laboratory (Berkeley Lab) of the U.S. Department of Energy has developed a novel solution-based synthesis method to produce nanocrystals with superior optoelectronic properties.

1 Feb 2012

Rice University Develops Near Perfect Terahertz Polarizer

A research team led by Junichiro Kono from Rice University has developed a powerful terahertz polarizer utilizing carbon nanotubes as the crucial component, paving the way to develop advanced non-invasive medical imaging solutions, communication and security devices, and sensors.

31 Jan 2012

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