Optoelectronics

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Gamma rays will reach beyond the limits of light

Gamma rays will reach beyond the limits of light
Researchers have discovered a new way to produce high energy photon beams. The new method makes it possible to produce these gamma rays in a highly efficient way, compared with today's technique. The obtained energy is a billion times higher than the energy of photons in visible light. These high intensity gamma rays significantly exceed all known limits, and pave the way towards new fundamental studies.
20th October 2017

The light at the end of electronics’ dark tunnel is photonics

The light at the end of electronics’ dark tunnel is photonics
Scientists at Heriot-Watt University have reported they are one step closer to technology that could result in electrons being replaced with photons, solving the looming ‘speed limit’ for electronic gadgets. According to Dr Marcello Ferrera, an assistant professor in Photonics and Optics at Heriot-Watt, electronics have had such long-term success mainly due to how much smaller devices have become, and how robust they are, even when made from a very limited number of fundamental materials.
6th October 2017

Tracking live brain activity with NeuBtracker

Tracking live brain activity with NeuBtracker
A team of scientists from the Helmholtz Zentrum München and the Technical University of Munich (TUM) has successfully developed a new type of microscope. The so-called NeuBtracker is an open source microscope that allows to observe neuronal activities of zebrafish without perturbing their behaviour. This is opening up completely new perspectives for science, because now it will be possible to track natural behaviour while simultaneously imaging neuronal activity in the brain.
3rd October 2017


Bioinspired and widely controllable optical components

Bioinspired and widely controllable optical components
A butterfly's wings and a peacock's feathers use nanoscale architecture to bend light and produce brilliant colours without pigments or dyes, and scientists have been trying to emulate nature's design. Now, scientists from mixed reality technology company Magic Leap Inc., working with researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), have developed new, versatile ways to control and enhance the light-bending properties of synthetic optical nanostructures.
31st August 2017

Adaptive optics facility improves sharpness of MUSE images

Adaptive optics facility improves sharpness of MUSE images
The Unit Telescope 4 (Yepun) of ESO’s Very Large Telescope (VLT) has now been transformed into a fully adaptive telescope. After more than a decade of planning, construction and testing, the new Adaptive Optics Facility (AOF) has seen first light with the instrument MUSE, capturing amazingly sharp views of planetary nebulae and galaxies. The coupling of the AOF and MUSE forms one of the most advanced and powerful technological systems ever built for ground-based astronomy.
15th August 2017

Polymer moves under the influence of light

Polymer moves under the influence of light
Scientists at Eindhoven University of Technology and Kent State University have developed a material that can undulate and therefore propel itself forward under the influence of light. To this end, they clamp a strip of this polymer material in a rectangular frame. When illuminated it goes for a walk all on its own. This small device, the size of a paperclip, is the world's first machine to convert light directly into walking, simply using one fixed light source. The researchers publish their findings in the journal Nature.
30th June 2017

Seeing the forest with the latest LiDAR system

Seeing the forest with the latest LiDAR system
Shortly after lasers were first developed in the 1960s, LiDAR—whose name originated as a combination of 'light' and 'radar'—capitalised on the newly unique precision they offered for measuring both time and distance. LiDAR quickly became the standard method for (3D) land surveys and is now used in a multitude of sensing applications, such as self-driving cars.
28th June 2017

IBS mirror coatings for moisture sensitive substrates

IBS mirror coatings for moisture sensitive substrates
  Alongside its E-beam coatings, LASER COMPONENTS now has Ion Assisted Deposition (IAD) and Ion Beam Sputtering (IBS) coating capabilities. Being a precise and highly replicable method, IBS coatings are used for the most spectrally demanding applications, such as steep edge dichroic mirrors and very broad band mirrors.
21st June 2017

Method for 3D through-wall imaging utilises drones and WiFi

Method for 3D through-wall imaging utilises drones and WiFi
Researchers at UC Santa Barbara professor Yasamin Mostofi's lab have given the first demonstration of three-dimensional imaging of objects through walls using ordinary wireless signal. The technique, which involves two drones working in tandem, could have a variety of applications, such as emergency search-and-rescue, archaeological discovery and structural monitoring.
20th June 2017

AI dramatically increases image clarity under severe conditions

AI dramatically increases image clarity under severe conditions
The research group of Professor Masatoshi Okutomi and Visiting Associate Professor Masayuki Tanaka of Tokyo Institute of Technology and NEC announced their joint development of a multi-modal image fusion technology that dramatically improves the clarity of images by using artificial intelligence (AI) to automatically combine visible images taken by standard cameras with non-visible images taken by specialised devices, such as thermal or terahertz cameras.
16th June 2017


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