Research

Lasers slim down radiotherapy equipment - Sep 22, 2008

Hospitals could benefit from a new technique that uses ultra-short laser pulses to simplify radiotherapy equipment.

Nanowires light up photonic crystal waveguides - Sep 17, 2008

Photonic circuits could benefit from the first hybrid nanowire photonic crystal structure that demonstrates efficient light coupling.

SiC quantum dots image live cells - Sep 16, 2008

Researchers have made the first, chemically inert, biocompatible silicon carbide quantum dots for fluorescence imaging of living cells.

Frequency combs make astronomy debut - Sep 12, 2008

Laser frequency combs calibrate an astronomical spectrograph to new levels of precision.

Intracavity design targets argon-ion - Sep 11, 2008

Developers of argon-ion lasers and their rivals take note, researchers in France have unveiled a new challenger.

Anti-cloak unmasks invisibility - Sep 10, 2008

In a follow-up to recent breakthroughs in cloaking devices, a team of Chinese scientists has devised a way to cancel the effects of invisibility cloaks for the first time.

Detecting quantum dots in the dark - Sep 9, 2008

A new technique that detects the light absorption by a single quantum emitter could enable sensing applications without the need for fluorescence labelling.

Photonic textiles are a perfect fit - Sep 5, 2008

A glove incorporating plastic optical fibre is ideal for autonomously monitoring vital health statistics such as blood oxygenation.

VECSEL premiers in microscopy system - Sep 4, 2008

A compact and reliable frequency doubled VECSEL could be an ideal replacement for the gas lasers used in confocal microscopy systems.

Laser emits tunable blue light - Sep 3, 2008

A solid-state laser that offers practical output powers and a tuning range of 425 to 489 nm is unveiled by researchers in Spain.