Sensors/Data Acquisition

CCD Image Sensor

The KAI-08051 charge-coupled device (CCD) image sensor from ON Semiconductor (Phoenix, AZ) shares the same advanced 5.5 micron pixel architecture, 8 megapixel resolution, 15 frame per second readout rate, and 4/3 optical format as the existing KAI-08050 Image Sensor, but improves key performance parameters through the use of an improved amplifier design, newly optimized microlens structure, and new color filter pigments in both Bayer and Sparse color configurations.

Posted in: Products, Products, Photonics, Sensors

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Imaging Sensor Targets

Headwall (Fitchburg, MA) has announced the availability of a new hyperspectral imager targeting very high resolution spectral measurements of 0.1 nm over specific spectral ranges that yield indicators of vegetative fluorescence to measure plant health. The new sensor is based on Headwall's all-reflective concentric optical design that uses very precise, very high diffraction-efficiency gratings for simultaneous high spatial and spectral resolution of < 0.1nm across the spectral range of the instrument.

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High-Accuracy Galvo Scanner

The highly repeatable and thermally stable feedback sensors used on the AGV-HPO scanner systems from Aerotech (Pittsburgh, PA) can be calibrated down to single-digit, micron-level accuracy over the field of view. With the extremely low thermal gain drift performance of the position transducers, complex, high-density laser machining applications will maintain consistent micron-level feature placement accuracy over the lifetime of the process.

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Sensor Uses Radio Waves to Detect Subtle Pressure Changes

Stanford engineers have invented a wireless pressure sensor that has already been used to measure brain pressure in lab mice with brain injuries. The underlying technology has such broad potential that it could one day be used to create skin-like materials that can sense pressure, leading to prosthetic devices with the electronic equivalent of a sense of touch. In one simple demonstration they used this wireless pressure sensor to read a team member’s pulse without touching him.

Posted in: News, Metals, Plastics, Antennas, Detectors, Sensors

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Data Acquisition System Helps NASA Improve Aircraft Crash Performance

Data acquisition system DTS (Diversified Technical Systems) Seal Beach, CA 562-493-0158 www.dtsweb.com Aircraft impact testing and hard landing tests are an important part of research for understanding crash dynamics and improving occupant safety at NASA’s Langley Research Center in Hampton, VA. DTS small, onboard data acquisition systems (DAS) are used in many tests at Langley, since they are rugged enough to survive harsh impacts and still accurately deliver critical test data.

Posted in: Application Briefs, Data Acquisition

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NASA's Hot 100 Technologies: Instrumentation

Powder Handling Device for Analytical Instruments This technology provides automated sample handling and movement of coarse-grained powder or other solid materials to enable analysis by a robotic or totally automated computer system. The powder is handled as a fluid, using mechanical vibrations in conjunction with a driving force, and requiring few or no moving parts.

Posted in: Articles, Techs for License, Sensors

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NASA's Hot 100 Technologies: Sensors

Gas Sensors Based on Coated and Doped Carbon Nanotubes Electronic, inexpensive, low-power gas sensors are based on single-walled carbon nanotubes (SWCNT) and provide a method for gas detection by coating or doping the SWCNTs with suitable materials. Applications include detection of flammable gases for the petrochemical industry, methane detection for the mine safety industry, environmental monitoring of toxic industrial gases, and monitoring gases in a patient’s breath.

Posted in: Articles, Techs for License, Sensors

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