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Fiber Optic Rotary Joints Add a Spin to Sensing, Mobile, and Robotic Fiber Systems

To the passing optical signals, fiberoptic rotary joints (FORJs) are nothing more than fiber connectors, which provide connection between one or multiple fibers. Their unrestricted ability to rotate, however, gives them a critical role in many sensing, mobile, and robotic fiber systems such as ROVs (remotely operated vehicles), aerostat radars, submarines, satellite antennae, OCT (optical coherence tomography), mining vehicles, cranes, wind turbines, robotic vehicles, broadcasting (mobile cameras), etc. This article discusses some of the applications where optical rotary joints are indispensable. www.princetel.com Download White Paper

Posted in: White Papers, White Papers, Photonics

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3D Imaging Reveals Battery Degradation in Real Time

Using sophisticated 3D imaging, a team at University College London, The European Synchrotron (ESRF), University of Manchester, Harwell Oxford, Oregon State University, and the National Physical Laboratory visualized a battery’s performance loss and internal structural damage. The images of active commercial Li/MnO2 disposable batteries, captured using X-ray computed tomography, will help to improve cell designs.

Posted in: Articles, Features, Imaging, Photonics

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Filtering in Machine Vision

There are many different types of filters in machine vision that can be utilized to improve or change the image of the object under inspection. It is important to understand the different technologies behind the various types of filters in order to understand their advantages and limitations. Although there is a wide variety of filters, almost all can be divided into two primary categories: colored glass filters and coated filters.

Posted in: Articles, Features, Imaging, Photonics

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Customized Drone Maps Glaciers

Using a custom-designed drone, a researcher from The Ohio State University mapped glaciers and wetlands in Peru’s Cordillera Blanca mountain range. Despite a discovered drop in glacier growth, the findings from the unmanned aerial vehicle (UAV) revealed a slightly more optimistic picture of the region’s water supply, which relies in part on the ice formations.

Posted in: Application Briefs, Applications, Imaging, Photonics

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Miniature Single-Axis Mirror Positioning System

New Scale Technologies, Inc. (Victor, NY) has announced a new developer’s kit in its M3 micro-mechatronic product line. The DK-M3-RS-U-1M-20 is a complete piezoelectric mirror positioning system with a familiar galvo-scanner form factor, but a drastically smaller size – only 12 mm diameter including the embedded closedloop controller.

Posted in: Products, Imaging, Photonics

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Medical-Grade Video Cameras

The IK-HD5UM HD video camera from Toshiba Imaging Systems Division (Irvine, CA) meets IEC 60601-1 medical design standards for surgical imaging applications. The 3- CMOS high-definition camera has a 1920 × 1080 pixel format, with both DVI-D and USB 3.0 outputs. Other features include C-mount lens mount, remote control via RS232, switchable formats between 1080p and 1080i, up to 1,000 TV lines resolution, 5 user-configurable scene files, and a binning mode for a 4x increase in sensitivity. For Free Info Visit: http://info.hotims.com/61059-140

Posted in: Products, Imaging, Photonics

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Radiation Hard Lens for Color Sensors

The new Model 346 non-browning lens from Resolve Optics Ltd. (Chesham, UK) has been designed to operate with color sensors in areas subject to radiation. For any camera lens to survive even quite low levels of radiation, without degradation, they should be produced from non-browning ceriumdoped glass. Unfortunately most non-browning glasses are yellow tinted, which gives color images acquired by CMOS cameras a yellow appearance.

Posted in: Products, Imaging, Photonics

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