Products

Optical Coatings

L-3 Applied Optics Center (Dallas, TX), part of L-3 Communications, Warrior Systems, recently coated thirteen large optical elements for a major national telescope. The largest of the elements was over 27 inches in diameter and weighed over 300 pounds. The anti-reflective and highly reflective thin film optical coatings deposited by AOC on the various elements were specifically designed by Applied Optics Center to enhance the overall performance of the telescope, and to ensure its long-term mission success.

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White Light Measurement Solution

Hexagon Metrology (North Kingston, RI) has released WLS qFLASH, a compact white light solution (WLS), a non-contact, stereo vision system used to quickly capture 3D measurements on the shop floor. The portable solution creates reports and digitizes acquired data on the spot for analysis or direct CAD comparison.

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Product of the Month: The APN Series Power Monitoring Sensor

NK Technologies, San Jose, CA, has introduced the APN Series power monitoring sensor that measures three phases of current and voltage, and computes 14 values necessary to track power usage in the RS-485 Modbus RTU format. The monitor uses current transformers to measure the amperes. The line voltage connects directly to the transducer, up to 600 VAC. The unit’s RS-485 Modbus RTU format is compatible with many programmable logic controllers, and fits into industrial communications networks, both hard-wired and wireless, depending on the application. It can be configured to accept standard 5-amp current transformer inputs or sensors producing 333 mVAC proportional to the AC current of the circuit. The primary circuit voltage is connected directly to the monitor for 600 VAC or lower, or through a potential transformer for monitoring circuits of higher potentials. The APN is powered from an external supply, and provides a pulse contact to open and close as Watt hours are accumulated.

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Multispectral Sensors

PIXELTEQ (Largo, FL) has introduced its new PixelSensor™ multispectral sensors. PixelSensor multispectral sensors use on-chip filtering to pack eight wavelength-selective photodiodes onto an array measuring less than 1cm, enabling simpler and smaller OEM optical devices. PixelCam™ and SpectraCam™ spectral cameras image spectral bands in UV, Visible, and NIR – SWIR for a variety of applications.

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Quadrant Photodiode

Opto Diode (Newbury Park, CA) has introduced the SXUVPS4C, a quadrant photodiode with a 5 mm2 active area in each quadrant. The new device is the first of two new SXUV multi-element photodiodes to be introduced. The TO-5 windowless package features a 5-pin header. With light responsivity from 1 to 1000 nm and a shunt resistance of 100 Mohms, the new quadrant photodiode is ideal for 2 axes-positional-centering applications for lasers in the 13.5 nm to 200 nm wavelength range. Operating and storage temperatures range from -10 degrees C to 40 degrees C (ambient) and from -20 degrees C to 80 degrees C (in nitrogen or vacuum conditions). The maximum junction temperature is 70 degrees C and the lead-soldering temperature is 260 degrees C at 0.080 in. from the case for 10 seconds.

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250W CO2 Laser

Coherent, Inc. (Santa Clara, CA) has added the new DIAMOND E-250 to its E Series CO2 laser family. The power range for the Coherent E-Series product line extends from 150W to 1000W. The new DIAMOND E-250 is a fully sealed, pulsed CO2 laser offering 250W of average power and > 750W of peak pulse power. The DIAMOND E 250 has its RF power module integrated within the same housing as the laser tube, eliminating the RF umbilical cable required in older Coherent K-series lasers as well as other suppliers with separate RF power supply units. In addition to the DIAMOND E-250, Coherent is also offering the new DIAMOND E-250i in the same advanced compact configuration with an output wavelength of 9.4 µm. The shorter wavelength is ideal for processing a number of materials such as films and plastics used in mobile devices.

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IR Emitters

Laser Components (Hudson, NH) has introduced a new generation of diamond-like pulsable infrared emitters. The DLSxxxX2224 series has replaced its predecessors, 17-900 and 22-1000. Significant improvements include tighter process control, a longer life expectancy, and a broader hot spot. In particular at wavelengths above 4.5 μm the signal increased by approximately 30%. The diagram shows a sample measurement of the modulation depth in relation to the pulse frequency. This was measured using an IG26X250S4i type extended InGaAs photodiode.

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