Products

Temperature Controllers

VueMetrix (Martinsried, Germany) has introduced Vue-TEC-15 and Vue-TEC-24 temperature controllers that are microprocessor- controlled and feature advanced fault diagnostics, user-settable operational limits, and an extensive library of interface commands. They are switch mode DC/DC converters with smoothing filters to improve power conversion efficiency. Operating point is regulated automatically. Vue-TEC 15 is rated at 120 watts and the Vue-TEC 24 is rated at 200 watts. An auxiliary second serial port on the Vue-TEC allows it to communicate internally with another controller. They are available in packaged form or as a circuit board assembly. They are suitable for driving Peltier effect devices to deliver temperature regulation of small thermal loads such as laser diode and heat sinks, non-linear laser crystals, and infrared detectors.

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Compact LEDs

Mouser Electronics (Mansfield, TX) now stocks OSRAM Opto Semiconductors’ OSLON SX LED series, mounted on an SMD ceramic LED package. The LEDs feature a 60° focused beam and are housed in a 3mm × 3mm package, with a life of 50,000 hours. Applications include LCD backlighting, camera flash, strobe light, and automotive lighting.

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Blue Laser Diodes

The CS405 and CS445 series blue laser diodes from Laser Components (Hudson, NH) are available in 405nm and 445nm wavelengths. They feature a stable beam profile, low noise level, minimal current consumption, and long lifespan. The diodes can be used as a light source in high-resolution printing technology and optical data storage, as well as for module assembly in medical technology.

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Digital USB Microscope

Cole-Parmer (Veronon Hills, IL) offers a digital microscope that plugs into the USB port of PCs and laptops to view images with 10× up to 500× magnification. It features a polarizer to reduce glare on reflective items and six built-in lights with adjustable brightness. It also includes software for image and video capture, measurement, brightness and contrast controls, digital zoom, and date-and-time record.

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Step-Down DC/DC Converter

Linear Technology (Milpitas, CA) has announced the LT3743, a synchronous step-down DC/DC converter designed to deliver constant current to drive high current LEDs. The device’s 5.5V to 36V input voltage range makes it suitable for applications including industrial, DLP projection, and architectural lighting. It provides up to 20A of continuous LED current from a nominal 12V input, delivering in excess of 80 watts. In pulsed LED applications, it can deliver up to 40A of LED current or 160 watts from a 12V input. Efficiencies as high as 95% eliminate need for external heat sinking and simplify the thermal design. A frequency adjust pin enables the user to program the frequency between 100kHz and 1MHz. Combined with a 4mm x 5mm QFN or thermally enhanced TSSOP-28 package, the LT3743 offers a compact LED driver solution and offers both PWM and CTRL_SELECT dimming, offering 3,000:1 dimming capability at three LED current levels.

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Precision Linear Motor Stages

Dover, A Danaher Motion Company (Salem, NH), has introduced the MMG Mini-Mag line of precision linear motor stages. Four models are available that deliver 25mm, 50mm, 100mm, and 150mm travel, respectively. They provide uncompensated accuracy ranging from 2um to 8um and resolution ranging from 1.0um to 5nm. Each model delivers repeatability to ±0.4um and is rated for 8kg load capacity. One of the most significant features is an Integral anti-creep linear guideway, which can increase uptime by as much as 15% in high-duty-cycle applications by eliminating the need for homing moves typically required to reset standard crossed roller bearing retainer cages.

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Polygonal Laser Scanner

Lincoln Laser Company (Phoenix, AZ) has introduced the KW Series polygonal laser scanner for material processing applications. The scanner uses a solid copper polygonal mirror that rotates to allow the laser beam to transfer rapidly from facet to facet, minimizing dwell time. It can handle beam power densities of 1,000 watts per square millimeter and can achieve active scan angles of greater than 120 degrees or scan rates of over 10 KHz, depending on the mirror/motor combination. The copper substrate acts as a large heat sink, drawing heat away from the mirror facets.

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