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Single-Chip Optical Encoders

iC-Haus (Bodenheim, Germany) has developed sensor chips for optical position encoders using photodiodes designed especially for blue light. The new iC-PT H-Series chips combine optimized scanning and signal interpolation in a flat 5 x 5 mm² optoQFN package with a plane window. Due to the optimized Phased- Array structure of the opto-chips, a minimal scanning area of only 1.9 mm x 3.1 mm is sufficient to generate 10,000 pulses per revolution using a code disc of only 26 mm diameter, for example. The blue light LEDs increase contrast with lower noise. The shorter wavelength and penetration of blue- light photons improve the resolution, signal amplitude, harmonic distortion, and jitter performance of incremental and absolute encoders. www.ichaus.com/encoder-blue

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High Output LED Downlights

Hubbell Lighting (Greenville, SC) now offers Prescolite’s MegaLum high output LED downlight in lumen packages ranging up to more than 16,000 lumens. Available in either a downlight (MD8LED) or cylinder (MC10LED) option, the MegaLum is capable of delivering over 16,000 lumens and up to 100 LPW and offers a variety of dimming options including DMX. With a rated minimum of 50,000 hours life, the MegaLum ensures lasting maintenance-free operation. Available in five color temperatures (2700K, 3000K, 3500K, 4000K, and 5000K), the MegaLum uses up to 480 individual LEDs specifically mixed to provide a minimum of 80+ CRI with 3 SCDM color consistency. www.prescolite.com

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Five-Watt LED G9 Lamp

MaxLite (West Caldwell, NJ) has introduced an energy-efficient replacement for 40-watt halogen T4 G9-based lamps. The five-watt LED retrofits easily into existing G9 sockets in decorative glass pendants, chandeliers and bath bars. Available in dimmable and non-dimmable versions, the lamp delivers up to 450 lumens with a 300-degree beam angle for uniform light distribution. With a 2.4-inch maximum overall length and 1.6-inch heat sink diameter, MaxLite’s five-watt lamp is TUV safety listed and may be used in non-enclosed luminares in dry locations. www.maxlite.com/products/led-g9-retrofit-lamps

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LED Lights with Symbol Marking

Wilbrecht LEDCO (St. Paul, MN) has added symbol/legend marking options to its 100/600 series of panel LEDs for custom applications. Custom and universal symbols, such as battery light or oil level, can be used for easy identification. A simple stamp printing process allows a pictogram or short word to be printed in white or black ink on blue, green, amber, red and clear lenses. The LEDs can be selected in 3 intensities- High Efficiency, Daylight readable super bright, and super ultra-bright. Available in prototype to production quantities, the led indicators are built with standard DC LEDs or bipolar LEDs for AC applications. By adding a simple resistor, they can be operated at 5-60VDC or up to 240VAC. www.wilbrechtledco.com/

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Scientists Unlock Secret of Ultrafast Imaging of Complex Systems in 3-D at Near Atomic Resolution

It is becoming possible to image complex systems in 3-D with near-atomic resolution on ultrafast timescales using extremely intense X-ray free-electron laser (XFEL) pulses. One important step toward ultrafast imaging of samples with a single X-ray shot is understanding the interaction of extremely brilliant and intense X-ray pulses with the sample, including ionization rates.

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Laser-Generated Surface Structures Create Extremely Water-Repellent Metals

Scientists at the University of Rochester have used lasers to transform metals into extremely water repellent, or super-hydrophobic, materials without the need for temporary coatings. Super-hydrophobic materials are desirable for a number of applications such as rust prevention, anti-icing, or even in sanitation uses. However, as Rochester’s Chunlei Guo explains, most current hydrophobic materials rely on chemical coatings.

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Thermal Imaging Camera

The FLIR Systems (Meer, Belgium) A6700sc features a highly sensitive 640x512 pixel resolution Indium Antimonide (InSb) detector that produces temperature- calibrated IR imagery for research and science applications. A6700sc cameras have been designed to stream temperature-calibrated data over Gigabit Ethernet to a PC for live image viewing and recording. Using FLIR’s ResearchIR software, researchers and scientists can monitor, acquire, analyze, and share data. In addition, extender rings for zoomed-in fields of view make the camera perfect for imaging small thermal targets, and close-up lenses can detect spot sizes down to 15um per pixel. www.FLIR.com  

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