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Search results for electro-optic

Quantum Âé¶¹ÒùÔºics Apr 11, 2019

Fluc­tu­a­tions in the void

In quantum physics, a vacuum is not empty, but rather steeped in tiny fluctuations of the electromagnetic field. Until recently it was impossible to study those vacuum fluctuations directly. Researchers at ETH Zurich have ...

Other Apr 9, 2019

Bionics: Electric view in murky waters

When dealing with disasters or searching for objects, robots or drones with cameras are usually used. However, conventional cameras are of rather limited use in murky, dark water, such as in a sewage pipe or a lake that is ...

Optics & Photonics Mar 18, 2019

On-chip, electronically tunable frequency comb

Lasers play a vital role in everything from modern communications and connectivity to bio-medicine and manufacturing. Many applications, however, require lasers that can emit multiple frequencies—colors of light—simultaneously, ...

Environment Mar 12, 2019

Criteria for the reduction of environmental impact applied in the Roman Theatre of Italica

In the majority of studies, Life-Cycle Assessment (LCA) has been used according to a methodology based on the final evaluation of an already finished design. This article proposes a new approach of using LCA as an evaluation ...

Materials Science Mar 11, 2019

Controlling thermal conductivity of polymers with light

Polymers are regularly used as thermal insulators for everything from keeping beverages hot to keeping sensitive electronics cool. In some cases, polymers can even be used as thermal conductors to enable efficient heating ...

Astronomy Feb 19, 2019

'Astrocomb' opens new horizons for planet-hunting telescope

The hunt for Earth-like planets, and perhaps extraterrestrial life, just got more precise, thanks to record-setting starlight measurements made possible by a National Institute of Standards and Technology (NIST) "astrocomb."

Materials Science Feb 14, 2019

New approach improving stability and optical properties of perovskite films

Metal halide perovskites are regarded as next generation materials for light emitting devices (LEDs). Recent research co-led by a scientist from City University of Hong Kong (CityU) has resulted in a new and efficient fabrication ...

Engineering Feb 8, 2019

Core technology for ultra-small 3-D image sensor

A KAIST research team developed a silicon optical phased array (OPA) chip, which can be a core component for three-dimensional image sensors. This research was co-led by Ph.D. candidate Seong-Hwan Kim and Dr. Jong-Bum You ...

Optics & Photonics Feb 4, 2019

New progress toward chip-based ghost imaging

For the first time, researchers have shown that the non-conventional imaging method known as ghost imaging can be performed using a low-cost, chip-based light-illuminating device. This important step toward chip-based ghost ...

General Âé¶¹ÒùÔºics Feb 4, 2019

Ceramic holds promise for greener optical devices

A lead-free ceramic that could be used in applications ranging from optical sensors and switches to creams for protecting against ultraviolet (UV) light has been developed by A*STAR researchers.

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