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Famous for its use in clothing since early times, silk is now finding a new application as a useful biocompatible material in photonic devices. Thin films, diffraction gratings and organic photonic crystals are just a few of the exciting possibilities.
As the demand for sophisticated imaging systems grows, adaptive lenses with fast-focusing capability become indispensable. Nature Photonics spoke to Amir H. Hirsa from Rensselaer Polytechnic Institute about the oscillating liquid lens that he and his co-author have demonstrated.
Gaining the readers' interests should not come at the expense of veracity. Getting the facts correct when communicating science to the general public is essential.
The ability to align optical components to tighter tolerances and in less time is the continual goal of designers of manipulation equipment, reports Neil Savage.
The human eye is a simple, but extremely robust, optical instrument. Analysis by sophisticated wavefront-sensing technology and customized ray-tracing has now revealed that the eye is actually an aplanatic design, with the cornea and lens compensating each other's aberrations.
The Laser Interferometer Gravitational Wave Observatory in the USA is searching for gravitational-wave emissions from cataclysmic astrophysical events. The task has required the construction of the world's largest and most sensitive optical strain sensor.
Attosecond spectroscopy promises real-time observation of the motion of electrons inside atoms. Nadya Anscombe talks to Ferenc Krausz from the Max-Planck Institute of Quantum Optics and the Ludwig-Maximilians-University of Munich in Germany about the technology.
Particle accelerators are one of the most remarkable pieces of apparatus to come out of twentieth century science. Nature Photonics spoke to Nasr Hafz who, with the help of colleagues, is working towards more compact and thus more affordable accelerators based on lasers.
The pollutant emissions and high-energy consumption of combustion engines using conventional spark plugs have long been serious environmental problems. Now, it has been demonstrated that lasers can provide a feasible green alternative. Duncan Graham-Rowe reports.