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Imperial College London News
Coherent Acquires Innolight, Reports Lower Profit
SANTA CLARA, Calif., Nov. 5, 2012 — Coherent Inc. has acquired Innolight Innovative Laser and Systemtechnik GmbH and Midaz Lasers Ltd., a move it said will provide core technology building blocks for an emerging class of commercial, low-cost, subnanosecond pulsed lasers for microelectronics manufacturing.
System measures limits of plasmonic enhancement
DURHAM, N.C., and LONDON – Photonic interactions have been measured for the first time on the scale of a single atom. The ability to quantify the unique properties of light gives physicists a road map to precise control of scattering in metal-based devices such as biosensors...
Limits of Plasmonic Enhancement Measured
DURHAM, N.C., & LONDON, Aug. 31, 2012 — Photonic interactions have been measured on the scale of a single atom for the first time. The ability to quantify the unique properties of light gives physicists a "road map" for precisely controlling its scattering in metal-based devices such as...
Laser’s Cousin Comes In from the Cold
TEDDINGTON, England, Aug. 21, 2012 — A new solid-state maser capable of operating at room temperature could enable more sensitive medical instruments, improved chemical sensors, and better radio telescopes, among other applications.
Reader Poll: School & Major
Aug 1, 2012 — University programs with “photonics” in their names are a rather new development – a reflection of the growing importance of photonics not only to science but to the world – so we decided to poll our readers and find out what...
True Invisibility Remains Elusive
Aug 1, 2012 — But research moves toward practical applications of cloaking technology. Invisibility cloaks have long captured our imaginations, whether actual cloaks imbued with magical powers – see the Lord of the Rings and the Harry Potter series –...
Seeking to Unify Physics with Mirrors
VIENNA, March 29, 2012 — An experiment designed to observe quantum interactions at the Planck scale could, if successful, help bridge the gap between quantum mechanics and general relativity. It would also remove the need to rely on high-energy experiments or distant cosmic...
Masking moments in time by splitting light
ITHACA, N.Y. – A technique that employs a split-time lens to break light into its slower (red) and faster (blue) components creates a temporal gap, albeit at the picosecond timescale, engineers at Cornell University have reported. The optical fiber-based...
T-rays to Enable Tricorder?
LONDON, Jan. 25, 2012 — A new technique to create electromagnetic Terahertz waves (T-rays) — the technology used for full-body security scanners — could one day lead to the development of a Star Trek ‘tricorder’-inspired handheld scanner suitable for better medical...
Time Bandits: Temporal Cloaking Hides Events
ITHACA, N.Y., Jan. 11, 2012 — A new "time cloak" technique is a step toward the development of spatio-temporal cloaking, say engineers at Cornell University. The optical-fiber based system uses a split-time lens to break light into its slower and faster components, creating a...
“Event cloaks” could be the perfect crime tool
LONDON – If you could pull off the ultimate bank heist without getting caught, would you try it? The perfect crime is possible – in principle – according to scientists at Imperial College London, who have described a new type of invisibility...
Metamaterials: Photonic Sleight of Hand
Sep 1, 2011 — Invisibility cloaks, perfect imaging, enhanced photovoltaic light collection, all-optical memories and biosensing are just some of the intriguing applications of metamaterials currently grabbing headlines in scientific journals. The field of...
NSF, DoE Co-Fund Solar Tech Research Center
ARLINGTON, Va., Aug. 22, 2011 — The National Science Foundation (NSF) and the Department of Energy (DoE) have announced that they will fund an engineering research center (ERC) that will develop interdisciplinary research and education programs to address energy challenges, such...
Efficient time-reversed light pulses developed
LONDON – Physicists have taken advantage of the properties of periodic systems to efficiently time-reverse ultrashort electromagnetic pulses for applications in medical ultrasound, optical communications, superlensing, ultrafast plasmonics and biological...
“Carpet cloak” hides more than its size implies
LYNGBY, Denmark – Optical cloaking is getting a boost from metamaterials in a new technology called “carpet cloaking,” which can conceal a much larger area than other cloaking techniques of comparable size. The new carpet cloak, based on an...
10-Year Study Shows Electron Is Surprisingly Spherical
LONDON, May 26, 2011 — Using a very precise laser, physicists have made the most accurate measurement of the shape of an electron, deeming it 0.000000000000000000000000001 cm from being perfectly round. This means that if the electron were magnified to the size of the...
‘Carpet Cloak’ Hides More Than its Size Implies
LYNGBY, Denmark, May 3, 2011 — Optical cloaking, the ability to conceal small objects by bending and channeling light around them, is getting a boost from metamaterials in a new technology called “carpet cloaking,” which can conceal a much larger area than other...
MMIs targeted for quantum computers
BRISTOL, UK – Quantum circuits based on optical multimode interference (MMI) are being used to advance quantum computers. Building a quantum computer requires a large number of interconnected components, or gates, whose function is similar to that of a...
MMIs Targeted for Quantum Computers
BRISTOL, England, March 4, 2011 — Quantum circuits based on optical multimode interference (MMI) are being used to advance quantum computers. Building a quantum computer will require a large number of interconnected components (gates), whose function is similar to that of a...
Plasmon Lasers Taken Out of Deep Freeze
BERKELEY, Calif., Jan. 5, 2011 — A new technique allows plasmon lasers to operate at room temperature, freeing the technology from vacuum chambers cooled to cryogenic temperatures and overcoming a major barrier to their practical use. The achievement, by researchers at the...
Synchrotron x-rays from a tabletop source
LONDON – A tabletop instrument in development may have the potential to produce bright, spatially coherent synchrotron x-rays similar in energy and quality to those generated by some of the largest x-ray facilities in the world. Such x-rays could enable...
‘Space-time’ Cloak Could Hide History
LONDON, Nov. 17, 2010 — Theoretical physicists have taken the idea of creating an invisibility cloak and broadened it to include the object’s movement. Such a "space-time cloak" could be used to hide events, they suggest. Previously a team led by professor Sir John...
Ultrashort X-rays Rival Synchrotron Beams
ANN ARBOR, Mich., Nov. 17, 2010 — Ultrashort x-ray beams produced at the University of Michigan could one day serve as more sensitive medical diagnostic tools, working like strobe lights to allow researchers to observe chemical reactions that happen in quadrillionths of a second. A...
Tabletop Source of High Power Coherent X-rays
LONDON, Oct. 26, 2010 — A tabletop instrument that produces synchrotron X-rays, whose energy and quality rivals that produced by some of the largest X-ray facilities in the world, has been created by researchers from Imperial College London, the University of Michigan and...
We = Rock (You)
Aug 30, 2010 — I’ve listened to “Radio Ga Ga” maybe a hundred times in the past couple of weeks. Sure, most music fans sniff at this 1984 Queen song, dismissing it as an excruciating low point in the band’s otherwise (mostly) distinguished...
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April 2024
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