University of Montpellier in France claims the first continuous-wave (cw) operation at room temperature of a 15μm indium arsenide (InAs) quantum cascade laser (QCL) [Alexei N. Baranov et al, Optics Express, vol. 24, p18799, 2016]. "To ...
Tags: University of Montpellier, InAs, MBE
University of California Santa Barbara (UCSB) in the USA has developed a monolithic white light-emitting diode (LED) with blue light produced by electrical pumping, and green/'red' by optical pumping from the blue source [S. J. Kowsz et al, ...
Researchers based in UK, France, Australia and the USA have developed a chemical epitaxial lift-off (ELO) technique for full 2-inch-diameter gallium nitride (GaN) grown on sapphire and free-standing substrates [Akhil Rajan et al, J. Phys. ...
Tags: GaN, HVPE, free-standing wafers
LED maker Lumileds of San Jose, CA, USA has introduced chip-on-board (COB) arrays that use CrispColor Technology to deliver rich, saturated colors. As part of the new LUXEON Stylist Series, this new approach to lighting caters ...
Tags: COB LED Arrays, LED maker
The University of Manchester and the University of Cambridge in the UK have been comparing efficiency droop in low-temperature photoluminescence (PL) experiments on non-polar m-plane and polar c-plane indium gallium nitride (InGaN) quantum ...
Spectra Packaging has been busy developing a range of new materials designed to offer brands something different. The Suffolk based rigid plastics manufacturer already produces high quality packaging in HDPE, PET and recycled materials; ...
Spectra Packaging has recently added a new oval snap-on flip-top closure to their growing range of injection moulded components. The new Oval Flip-Top (Ref: 3030) will be available in a stylish high gloss finish and joins our expanding ...
Tags: Spectra Packaging, Snap-on Closure
Researchers based in China, Singapore and Turkey have used an extremely thin layer of silicon dioxide (SiO2) insulator as a charge inverter in indium gallium nitride (InGaN) light-emitting diodes (LEDs), improving light output power and ...
Chien-Chung Lin, Huang-Yu Lin, Kuo-Ju Chen, Sheng-Wen Wang, Kuan-Yu Wang, Jie-Ru Li, Huang-Ming Chen and Hao-Chung Kuo The use of distributed Bragg reflectors in remote-phosphor white-LED packaging significantly improves luminous ...
Tags: White LED Packaging
Researchers in Hong Kong and USA have developed indium arsenide (InAs) quantum dot (QD) microdisk lasers directly integrated on silicon (Si) with performance comparable to the best reported for similar devices on gallium arsenide (GaAs) ...
Tags: InAs quantum dot microdisk lasers InAs GaAs substrates
Spectra Packaging will be appearing at next month’s Packaging Innovations Show in Birmingham. For the sixth year in succession, Spectra will be exhibiting at the prestigious UK packaging event to premier their very latest innovative ...
The US Department of Defense's Air Force Research Laboratory, Sensors Directorate, Devices for Sensing Branch (AFRL/RYDD) has issued a Request For Information (RFI) titled 'Development of Large Diameter Silicon Carbide Substrate and ...
Spectra Packaging have recently added a number of new packs to their large range of standards. With an already growing collection of ready-made designs, Spectra have added an extra 9 new bottles plus a brand new oval flip top closure. ...
Tags: Spectra Packaging, bottles
Today we tend to take LED video displays for granted. Indeed, they became common features in our towns and we mostly pay attention to their outward quality parameters. we believe time has come to spell out major technical principles of ...
Tags: LED Video Displays, LED video, Chipshow
U.S. space agency NASA announced on Monday it has found "strong" evidence that there is liquid water intermittently flowing on present-day Mars. Images taken from the Mars orbit showed dark, finger-like markings that, typically less than ...
Tags: NASA, Liquid Water, Mars