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Photonics Tech Briefs - May 2009
Published ten times per year, Photonics Tech Briefs includes technical briefs, application articles, tutorials, and product announcements in all areas of photonics: optics, optical design software, lasers & lasers systems, CCDs, cameras and inspection systems, sensors & detectors, test & measurement...
Application Briefs: RF & Microwave Electronics
New All-Digital RF Technology Simplifies the Radio Environment
The concept of a software or “cognitive” radio has been around for about 20 years, and has progressed to the point where open-source software code is available. A cognitive radio is “smart” in the sense that it is continuously aware of changes in radio frequency (RF) spectrum...
Articles: RF & Microwave Electronics
Maintaining situational/positional awareness in indoor and urban environments is difficult because buildings, walls, and other obstacles obstruct vision and RF propagation. Propagation channels are...
Articles: Aerospace
The Radiometric Sensor Development and Applications Team of the Sensors and Electron Devices Directorate (SEDD) at the U.S. Army Research Laboratory (ARL) has developed a 2D laser profiling...
Articles: Imaging
High-performance computing (HPC) has transformed science and engineering over the past 20 years, but some fields have yet to fully realize its benefits due to software limitations. This article...
Articles: Imaging
Machine vision can quickly and accurately determine the location of parts so they can be inspected, measured, or manipulated by a robot. An example is using machine vision to guide a robot unpacking one-gallon...
Application Briefs: Imaging
The Kettering University Crash Safety Center (Flint, MI) conducts vehicle subsystem tests using a pneumatic deceleration sled. The research and testing includes frontal, rear, or side impact...
Briefs: Electronics & Computers
Synthetic Foveal imaging Technology (SyFT) is an emerging discipline of image capture and image-data processing that offers the prospect of greatly increased capabilities for real-time processing of large,...
Articles: Energy
NASA Jet Propulsion Laboratory (JPL) researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into...
Briefs: Electronics & Computers
An improved type of starting materials for the fabrication of silicon-based imaging integrated circuits that include back-illuminated photodetectors has been conceived, and a process for...
Products: Imaging
Basler Vision Technologies, Ahrensburg, Germany, has introduced the scA640-120 series of Scout cameras based on Sony’s ICX618 sensor. The cameras feature a 29 × 44 × 73.7 mm housing, and are equipped with a C or CS-mount lens...
Products: Imaging
Vision Research, Wayne, NJ, offers the four-mega-pixel Phantom® v640 digital high-speed camera, which provides six gigapixel-per-second throughput and enhanced light sensitivity. It offers a recording speed of more than 1,400...
Products: Imaging
American ELTEC, Las Vegas, NV, has released the PC_EYE/CL PCI Express frame grabber that supports base, medium, and full configurations. The PCI Express interface with four lanes delivers data rates of up to 1 GB/s for...
Products: Imaging
LumaSense Technologies, Santa Clara, CA, offers the Mikron MikroSHOT portable thermal imaging camera, a radiometric thermal imager that offers pocket-sized portability. The Thermal-On-Visible mode allows for radiometric...
Products: Imaging
Edmund Optics, Barrington, NJ, offers the TECHSPEC® large-format telecentric lenses that can accommodate large-format industrial image sensors measuring up to 28.7 mm diagonally. They provide high-resolution images with a...
Products: Imaging
Toshiba Imaging Systems Division, Irvine, CA, has introduced the IK-HR1S HD camera, a 1/3" CMOS detector with 2.1 megapixels and optional 720p or 1080i scanning operation, both with HD-SDI output. The camera measures 1.75 × 1.65 ×...
Products: Imaging
The VT-S700 in-line automated optical inspection system from Omron Electronics, Schaumburg, IL, shortens tact time of soldered component inspection with an expanded field of view. Using a telecentric lens with a 2-megapixel...
Products: Imaging
Panasonic, Secaucus, NJ, has introduced two IP network cameras, the BL-C101A and BL-C121A that monitor from a PC or cell phone. The BL-C101A features one-wire, plug-and-play installation; the BL-C121A is wireless and features...
Products: Imaging
Banner Engineering Corp., Minneapolis, MN, offers the iVu series image sensors that combine a photoelectric sensor and a vision sensor. They feature a touchscreen with intuitive interface and configurable inspection parameters....
Briefs: Mechanical & Fluid Systems
A multiple-throat venturi system has been invented for measuring laminar flow of air or other gas at low speed (1 to 30 cm/s) in a duct while preserving the laminar nature of the flow and keeping...
Briefs: Physical Sciences
An instrumentation system for direct measurement of the thermal conductivity of a small sample of a highly insulating material has been devised. As used here, (1) “small” signifies...
Briefs: Physical Sciences
An alignment jig (see figure) places a THz horn and power detector at the proper locations with respect to the focal points of a conic reflector in order to couple total power of the...
Briefs: Mechanical & Fluid Systems
Autoignition Chamber for Remote Testing of Pyrotechnic Devices
The autoignition chamber (AIC) performs by remotely heating pyrotechnic devices that can fit the inner diameter of the tube furnace. Two methods, a cold start or a hot start, can be used with this device in autoignition testing of pyrotechnics. A cold start means extending a pyro -...
Briefs: Semiconductors & ICs
Modules containing multiple monolithic microwave integrated-circuit (MMIC) chips have been built as prototypes of transmitting/receiving (T/R) modules for millimeter-wavelength radar systems, including...
Briefs: Semiconductors & ICs
Some Improvements in Utilization of Flash Memory Devices
Two developments improve the utilization of flash memory devices in the face of the following limitations: (1) a flash write element (page) differs in size from a flash erase element (block), (2) a block must be erased before its is rewritten, (3) lifetime of a flash memory is typically...
Briefs: Semiconductors & ICs
GPS/MEMS IMU/Microprocessor Board for Navigation
A miniaturized instrumentation package comprising a (1) Global Positioning System (GPS) receiver, (2) an inertial measurement unit (IMU) consisting largely of surface-micromachined sensors of the microelectro-mechanical systems (MEMS) type, and (3) a microprocessor, all residing on a single circuit...
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Ask the Expert
Dan Sanchez on How to Improve Extruded Components
Improving extruded components requires careful attention to a number of factors, including dimensional tolerance, material selection, and processing. Trelleborg’s Dan Sanchez provides detailed insights into each of these considerations to help you advance your device innovations while reducing costs and speeding time to market.
Webcasts
Podcasts: Medical
How Wearables Are Enhancing Smart Drug Delivery
Podcasts: Medical
Developing Sustainable Drug-Delivery Devices
Podcasts: Design
Smarter Pathways for Precision Drug Delivery in Cancer Care
On-Demand Webinars: Manufacturing & Prototyping
Understanding Testing and Compliance Requirements for Wireless Medical Devices
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Personalized Medicine and Drug Delivery
Podcasts: Green Design & Manufacturing
Inside Story
Inside Story: Trends in Packaging and Sterilization
Eurofins Medical Device Testing (MDT) provides a full scope of testing services. In this interview, Eurofins’ experts, Sunny Modi, PhD, Director of Package Testing; and Elizabeth Sydnor, Director of Microbiology; answer common questions on medical device packaging and sterilization.