Researchers at TU Graz in Austria have developed a 3D printing process that uses a high-power LED beam to melt metal powder, instead of a laser
News
The 3D printer developed at TU Graz melts metal powder using high-performance LED light sources. (Image: TU Graz)
New LED-based powder melting to optimise metal 3D printing
28 May 2020
Credit: The Rijksmuseum
Rembrandt’s The Night Watch in 44.8-gigapixel detail
27 May 2020
The composite picture of The Night Watch, made of 528 exposures stitched together digitally, makes it possible to zoom in on individual brushstrokes and even particles of pigment in the painting
Nature-inspired photonic crystals to advance sensors for smart infrastructure
27 May 2020
Scientists have taken inspiration from the biomimicry of butterfly wings and peacock feathers to develop an innovative opal-like material that could be the cornerstone of next generation smart sensors
An illustration of lidar waves. Credit: Johann Riemensberger
PIC method set to speed-up coherent lidar
27 May 2020
In a study published in Nature, researchers at the École polytechnique fédérale de Lausanne (EPFL) demonstrate a new way to speed up a type of lidar engine by using photonic circuits
Prototype of the UVC LED irradiation system with 118 LEDs. The inset shows a detail of the LED array (©FBH/P. Immerz)
UV sterilisation device being tested for use on human skin
27 May 2020
An LED irradiation system has been developed at the Ferdinand-Braun-Institut in Berlin that aims to kill microorganisms with ultra-short wave UV light. The researchers anticipate that the UV light emitted from their device will not be harmful to human skin
A simulation used by the researchers to help determine the impact of spatter in LPBF. (Image: LLNL)
Researchers devise method to reduce defects in metal 3D printing
27 May 2020
Researchers at the Lawrence Livermore National Laboratory have developed a method for reducing – or even eliminating – defects in metal parts built via laser powder bed fusion (LPBF)
Laser World of Photonics China to go ahead in July, organisers confirm
27 May 2020
Laser World of Photonics China, including the machine vision technology and application conference, is to go ahead from 3 to 5 July in Shanghai
Firm promotes use of lidar for social distancing
15 May 2020
Quanergy Systems, a provider of lidar sensors and software, has expanded a range of products the firm says could help support social distancing to help businesses and public services return to normal
Luminar's lidar solution will integrate seamlessly into the roof of Volvo's future cars. (Image: Luminar)
Luminar lidar technology to feature in Volvo cars from 2022
12 May 2020
The lidar will be seamlessly integrated into the roof of Volvo's SPA 2 modular vehicle architecture
Survey shows UK photonics manufacturers still largely productive
12 May 2020
Initial results of a survey conducted by the Photonics Leadership Group (PLG) show that 85 per cent of UK manufacturing organisations have been able to continue production during the coronavirus pandemic
Credit: Arianna M. Charbon, Kazuhiro Morimoto, Edoardo Charbon
Single photon counting camera could advance AR and lidar
12 May 2020
Researchers have developed a megapixel photon-counting camera based on image sensor technology that uses single-photon avalanche diodes (SPADs)
New phase noise filter could enable cheaper compact lasers
12 May 2020
New filter chips developed at the University of Pennsylvania could enable high-quality lasers at a fraction of their current size and cost
