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Galvanometer Scan Head

Nutfield Technology (Windham, NH) has introduced the XLR8-15 2-axis packaged scan head, the fastest 15-mm head in its class, according to the manufacturer. The scan head is designed to ease integration and manufacturing associated issues with laser scanning systems by reducing the need for specialized tooling and highly skilled assemblers. The XLR8-15 features NTI’s QuantumScan-10 galvanometers with ceramic rotor technology for superior performance. Marking speeds of 400 characters per second are typical. The XLR8-15 also features high-quality hybrid/ceramic ball bearings for long operating life. XLR8-15 scan heads can be configured for a variety of laser wavelengths, and are available with digital and analog electrical interface options.

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Tunable Laser

Designed for optics testing, dBm Optics’ (Boulder, CO) Model 4200 Tunable Laser Source offers 2,000 nm/s tuning across 150 nm. A low-noise version is available for measurements requiring high dynamic range, such as the characterization of fiber-Bragg gratings. A high-power version, with greater than 8 dBm (6 mw) of output power across the entire tuning range, is also available. A variety of options, which can be built directly into the instrument, include wavelength reference, VOA, and polarization controller/scrambler. The 4200 comes with an easy-to-use color touch screen, or button operation. A computer can be used to set and monitor parameters through Ethernet, USB, and GPIB (IEEE 488).

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Laser Diode Drivers

Analog Modules (Longwood, FL) Model 772 pulsed laser diode driver is a highly efficient (>70 percent), compact (4.3 × 2.7 × 1.5"), lightweight (

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Product of the Month: Multi-Use LED Platform

PerkinElmer Elcos GmbH (Pfaffenhofen, Germany) offers the ACULED (All Color Ultrabright Light Emitting Diode) multiuse, multicolor LED platform for a variety of specialty lighting applications. The ACULED platform uses multi chip-on-board (COB) technology to provide a high-power light source. The close chip placement achieves an even white color mix. Precise multicolor mixing is achievable by adjusting each chip individually using one blue, one red, and two green power chips. Mixing is made possible because each LED has its own cathode and anode. The light sources operate as a Lambertian emitter with 120° aperture. ACULED is designed for operation in applications including vision systems, architectural lighting, and medical lighting.

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IR SMT Phototransistor

Designed as a miniaturized surface-mount device for infrared detection in sensing applications, OPTEK Technology (Carrollton, TX) has developed a series of NPN silicon phototransistors in 1206 chip packages. The devices are packaged with a flat molded lens; the OP520 features an opaque lens to shield it from ambient light, while the OP521 lens is water clear, giving it a wider response range. The devices exhibit response times of 15 μs with peak response to 880-nm light. Electrical performance of the OP520/521 Series is characterized by collector-emitter voltages of 30 V, emitter-collector voltage of 5 V, collector current of 20 mA and power dissipation of 75 mW at 25 °C. They are RoHS-compliant and are compatible with high-temperature (260 °C), lead-free soldering processes. Rated for operation from -25 °C to +85 °C, the phototransistors are designed to be mechanically and spectrally matched to OPTEK’s OP250 series surface mount infrared LEDs.

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MWIR-LWIR Camera

Mikron Infrared’s (Oakland, NJ) M7500 infrared camera is configurable for midwave or longwave infrared (MWIR/LWIR) imaging as well as four different temperature bands, without requiring cryogenic cooling. The M7500 can image in the MWIR bands of 3.9 microns (furnaces and boilers through flames) and 4.8 μm to 5.2 μm (for glass), across a temperature range of 400 °C to 1600 °C. The M7500 also features two standard temperature ranges of -40 °C to °120 °C, and 0 °C to 500 °C in 8-μm to 14-μm LWIR mode, which is designed for making thermal measurements independent of sunlight or factory lighting. The camera offers temperature measurement accuracy of ±2 °C for applications in glass, ceramics, food processing, paper, textiles, electronics, and hydrocarbon/ chemical processing. The M7500 includes a 320 × 240-element VOX microbolometer detector and 100Base-T Ethernet. It comes standard with NEMA 4 (IP67) housing rated for ambient temperatures of -15 °C to 50 °C; an optional high-temperature protective housing raises exposure rating to 100 °C.

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Scanner Window Glass

The Diamonex Products Division of Morgan Advanced Ceramics (Stourport, Worcestershire, UK) has developed several coated glasses that resist scratching and digs for barcode scanning systems. Diamonex’s line of superhard diamond-like coated glass includes Everscan and Aegisglass Plus. Everscan windows exhibit diamond-like properties for the lifetime of the scanner, enabling OEMs to offer a limited lifetime warranty comparable to more expensive windows made from sapphire. The abrasion-resistant qualities of Diamond-Like Carbon (DLC) make Aegisglass Plus applicable for laser barcode scanner window applications. With better transmission than Everscan, Aegisglass Plus is guaranteed to resist scratching for up to five years. Diamonex also offers Scanshield glass, which comes with a one-year warranty in bar code scanning applications.

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