Photonics/Optics

Machine-Vision Camera

From high-speed automated inspection of printed circuit boards to rapid 3D mapping of disaster areas, Imperx (Boca Raton, FL) supports a wide range of high-resolution video-capture applications with two 29-Mpx B6620 cameras. Units are available with either Gigabit Ethernet or Camera Link outputs. Shutter speeds up to 1.25 × 10-5 second freeze even the most rapid motion. Frame rates up to 2.4 fps follow rapidly evolving scenes. Standard F-mount allows inexpensively fitting the cameras to almost any optical-system requirement. The cameras’ ability to image at light levels as low as 1 lux (f/1.4) allows capturing even dimly lit scenes. The cameras’ small size (60 × 60 × 45 mm), light weight (320 gm), wide operating temperature range (-30-85 °C), low power consumption (3.6 W at 12 V), and high shock rating (10 g shock at 20-200 Hz, and 70 g sustained acceleration) make it suitable for a wide range of research and testing applications under harsh conditions. Two models are available: the IGV-B6620 outputs video over gigabit Ethernet, and the ICL-B6620 over Base Camera Link.

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Digital High-Speed Cameras

Vision Research (Wayne, NJ) has introduced the Phantom® v1210 and v1610 cameras. The devices feature high-definition and widescreen 1280 × 800 CMOS sensors. Both cameras are based on proprietary sensors offering larger 28-micron pixels that allow for sensitivity when shooting in low light. The v-Series additions capture images at more than 12,000 fps (12 gigapixels/second) in full resolution when utilizing the v1210, and more than 16,000 fps (16 gigapixels/second) when the v1610 is used. If higher speeds are needed, reduced resolution images are available up to 650,000 or 1,000,000 fps when the FAST option is used. The v1210 can be configured with 12GB, 24GB, or 48GB of memory, and the v1610 has 24GB, 48GB, or 96GB memory options. That memory, which can be segmented into as many as 63 partitions, allows continuous shooting of back-to-back shots without the need for constant downloading. The cameras offer 12-bit pixel depth. Both cameras come standard with the Vision Research CineMag interface, allowing a user to save a high-speed shot from camera memory to non-volatile storage. The cameras come with built-in, on-camera controls (OCC) so that settings can be changed without connection to a PC or laptop.

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LED Driver

Austriamicrosystems (Raleigh, NC) has announced a 30V, 40mA, 16-channel LED driver with 12-bit pulse width modulation (PWM), dot correction, and diagnostics. With a 30V LED supply voltage, the AS1121 reduces external support components and can therefore be used directly with 24V (or higher) supplies. The AS1121 features a 6- bit dot correction feature for full-color LED displays.

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Silicon Carbide Schottky Diodes

ROHM Semiconductor (San Diego, CA) has announced the SCS1xxAGC series of silicon carbide (SiC) Schottky barrier diodes (SBDs). The SiC diode maintains low forward voltage over a wide operating temperature range, which results in lower power dissipation under actual operating conditions. The 10A rated part, for example, has a VF of 1.5V at 25 °C and 1.6V at 150 °C. Low VF reduces conduction loss, while the ultra-short reverse recovery time (15ns, typical) enables switching and minimizes switching loss.

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VGA Digital Camera

The TXG02 from Baumer (Southington, CT) features VGA resolution and a frame rate of up to 140 fps. Available in both monochrome and color versions, the TXG02 has integrated ExView HAD technology for the visible and near-infrared range of the spectrum.

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Photovoltaic ICs

National Semiconductor Corp. (Santa Clara, CA) has released ten SolarMagic™ integrated circuits (ICs) that meet photovoltaic renewable energy-grade qualification requirements. Each IC is engineered specifically for demanding rooftop environments that range from extreme cold to severe heat.

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3D Optical Design Software

Synopsys (Mountain View, CA) has released enhancements to its LightTools® illumination 3D optical design and analysis software. The LightTools LumViewer, an interactive charting capability, customizes illumination simulation results to meet personal, company, or industry standards. Users can rotate and zoom 3D charts, change fonts and colors, and view data on a logarithmic scale. The LightTools simulation output now includes detailed statistics to provide lighting designers with access to beam and field width information for analysis and optimization.

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