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Researchers Use Silicon Photonics to Create Quantum Random Number Generator
A chip-based device measuring just 1 sq mm has demonstrated the potential to generate quantum-based random numbers at gigabit (Gb)-per-second speeds, using minimal power. The tiny device, which is enabled by silicon photonics, could be used as a stand-alone or in devices such as laptops and smartphones to encrypt data in real time.
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Narrow Spectrum Blue Light Images Progressive Effects of Fire
A simple method for increasing visibility through clean-burning flames, using ordinary blue LED light, could lead to new opportunities to perform optical metrology in fire research. The method combines narrow-spectrum, blue illumination, and matched optical filters to reduce the influence of optical emissions from a glowing hot target and a large natural gas diffusion flame.
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Researchers Create New Class of High-Energy, Tunable Laser Materials
Engineers doped alumina (Al2O3) crystals with neodymium (Nd) ions to develop a new laser material capable of emitting ultrashort, high-power pulses. Their approach to materials processing resulted in a Nd-Al2O3 laser gain medium that has 24× higher thermal shock resistance than one of the leading solid-state laser gain materials.
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Broadband Wire-Grid Polarizers
Moxtek Inc.
Moxtek offers a variety of wire-grid polarizers and polarizing beamsplitters designed for demanding applications. Our polarizers are made from heat tolerant inorganic materials that enable exposure to temperatures that degrade film based polarizers. Our polarizers are designed for narrow and broadband UV-VIS-IR wavelengths.
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Dark Mirror Coatings
Deposition Sciences Inc. (DSI)
Dark mirror coatings absorb incident light, rather than reflecting or transmitting it. Thus, they simultaneously exhibit both the low transmittance of a metal blocking filter and the low reflectance of an antireflection coating. Dark mirrors are typically used to define the aperture of an optical system where control of stray light...
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Canon Surface Reflectance Analyzer
Canon U.S.A. Inc., Industrial Products Div.
Canon RA-532H, Surface Reflectance Analyzer (goniophotometer), is a compact, portable device capable of measuring 4 surface appearance conditions in a single pass: Gloss, Haze, Image Clarity (IC), and BRDF (Bidirectional Reflectance Distribution Function). Additionally, Canon has released its own new parameter,...
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Machine Vision
Photonics Media
Machine Vision is a new book for anyone designing or selecting machine visions systems, and implementing or considering the use of machine vision for a specific application. This engaging overview is a resource for designers, engineers, researchers, marketers and students looking for a broad survey of advancements in systems, components and processes.
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Optical Fibers Can Detect Type of Materials Around Them
Forward stimulated Brillouin scattering (FSBS), because of its resonating transverse acoustic waves, has the potential to facilitate detections in an optical fiber’s surroundings. Researchers have now demonstrated a technique to measure the distributed FSBS spectrum of an optical fiber and retrieve the local acoustic impedance of the surrounding materials.
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AIM Photonics Academy Teaches Fundamentals, Design of Photonic Integrated Circuits
LIGHT MATTERS BROADCAST - AIM Photonics recently held a week-long boot-camp-style academy at the Massachusetts Institute of Technology. MIT professor and executive at AIM Photonics, Lionel Kimerling, told Photonics Media that the AIM Summer Academy brings together students from big and small enterprises, providing practical access and technology on-ramps for U.S. industry, government, and academic communities.
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Crop-Counting, Gene-Finding Robot Wins Award Read Article
Physicists Show How Great Pyramid Can Focus Electromagnetic Energy Read Article
ADVA Partakes in Next-Generation Quantum Encryption Initiatives Read Article
Silicon Chip Distributes Optical Signals for Potential Use in Neural Networks Read Article
Prellis Biologics Announces 3D Human Tissue Printing Read Article
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World Congress on Computer Science, Machine Learning and Big Data Analytics
August 30-31, 2018 - JW Marriott Hotel Dubai - Dubai United Arab Emirates
This conference will provide an overview of machine learning techniques to explore, analyze, and leverage big data, and will cover the most recent techniques and tactics in machine learning, artificial intelligence, and big data analytics. The congress will offer 15 sessions/tracks, which will include computer science and technology, machine learning, deep learning, artificial intelligence, data mining, cloud computing, AR and VR, IoT, and more.
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CALL FOR ARTICLES!
Photonics Media is currently seeking technical feature articles on a variety of topics for publication in our magazines (Photonics Spectra, Industrial Photonics, BioPhotonics and EuroPhotonics). Please submit an informal 100-word abstract to Managing Editor Michael Wheeler at [email protected], or use our online submission form.
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