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Large Mode Area Optical Fibers Maintain Polarization
An optical fiber has been developed that preserves the coherent properties of light. This tapered fiber could be useful in the construction of high-power pulsed fiber lasers and amplifiers and polarization-sensitive sensors. The fiber enables control over both the distribution of light intensity and the polarization of light. It has an elliptical inner cladding and an extremely large core diameter that increases adiabatically from 8 µm to 70 µm.
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Self-Powered Smart Window Uses Near-UV Light
A self-powered smart window features a novel type of solar cell that selectively absorbs near-UV light. The near-UV light is used to generate electricity, which powers chemical reactions that lighten or darken the glass as needed. Organic semiconductors — specifically, contorted hexabenzocoronene (cHBC) derivatives — were used for constructing the solar cells.
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Optical Approach to Fracture Testing Measures Concrete Strength
A light-based approach to measuring the strength of opaque heterogeneous concrete mixes applies a light-refracting coating, designed to display stress positions, to the surface of the concrete, then takes a photograph of the concrete surface and uses photo-stress analysis tomography (PSAT) to discover where stress levels in the concrete are most extreme, before cracks or fractures occur.
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Lasers in Industry
Photonics Media
Photonics Media has gathered articles and other valuable resources into a guide to the current use of lasers in industry, a reference tool and a resource for learning. This book is for anyone working on, implementing or considering the application of lasers for and in industrial settings for materials processing, quality control and production.
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Successful Advanced Technology Commercialization for Everyone!
Photonics Media
A new, 12-lecture course from successful scientist-turned-businessman David Krohn will show you how to identify market opportunities and develop a roadmap for successful commercialization. Commercialization of Innovative Technology through Entrepreneurship – CITE – demonstrates how to move advanced technology into successful commercial products.
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CIOE 2017
September 6-9, 2017 - Shenzhen Convention & Exhibition Center - Shenzen China
China International Optoelectronic Exposition (CIOE), the world’s largest optoelectronics exhibition, is a one-stop sourcing platform for thousands of optoelectronic products, featuring over 3,200 brands from over 65 countries and regions. Exhibits cover the breadth of the optoelectronics industry including optical communications, lasers, photonics, IR applications, sensors, imaging, precision optics and LEDs. Conference topics include intelligent optical networks, biophotonics, optical lenses, camera modules, sapphire emerging applications, IR imaging and laser processing.
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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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