Photonics/Optics

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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Flexible Heaters

Therma Klear Flex™ thin flexible transparent heaters from Dontech (Doylestown, PA) provide the warmth necessary to extend operating temperature of liquid crystal displays (LCDs) in cold environments (0° to below -40 °C). They also provide anti-fog, anti-icing, and de-icing functions for optics, sensors, and display assemblies.

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Polarization Crosstalk Analyzer

General Photonics (Chino, CA) has announced its PolaX™ (PXA-1000) distributed polarization crosstalk (x-talk) analyzer. The technology, an enhanced version of a white light interferometer, analyzes stress-induced polarization crosscoupling along a length of polarization maintaining (PM) fiber.

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