Features

Dual-Band Photodetector

GPD Optoelectronics Corp. (Salem, NH) has announced the availability of made-toorder Dual-Band photodetectors. Two discrete photodiodes are mounted in a stack such that the incoming light is sensed by both diodes. The design can be optimized for detection of light from the visible to mid-IR.

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Portable Spectrometer

Saelig Company, Inc. (Fairport, NY) has introduced the GL SPECTIS 5.0 Touch - a portable instrument for obtaining light measurement data ranging from NIR to UV with laboratory accuracy. Unique features of the GL SPECTIS 5.0 Touch include: laboratory accuracy, extended spectral range from 200 to 1050nm, very high resolution (0.5nm), an OSR system for stray light reduction, and compatibility with a wide range of available integrating spheres and probes for measuring almost any light source from 1 - 200,000lux (Illuminant A).

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Photothermal Excitation For Atomic Force Microscopy

Asylum Research (Santa Barbara, CA), an Oxford Instruments company, has announced blueDrive photothermal excitation, an option available exclusively for Asylum’s Cypher™ Atomic Force Microscopes (AFMs). blueDrive makes tapping mode imaging simple, stable, and accurate. blueDrive replaces the conventional piezoacoustic excitation mechanism, instead using a blue laser to directly excite the AFM cantilever photothermally. This results in an ideal cantilever drive response in both air and liquids, which provides significant performance and ease of use benefits for tapping mode imaging.

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DOP Meter

Using a patented maximum & minimum search technique, the DOP- 201 from General Photonics (Chino, CA) measures and displays the Degree of Polarization (DOP) of a light source in real time with high accuracy and wide dynamic range. While polarimeter-based systems are expensive and can be inaccurate for low-DOP sources, and polarization scrambler- based instruments are less accurate for high DOP sources, the DOP-201 accurately measures both low and high DOP. It is ideal for characterizing the performances of depolarizers and depolarized light sources, such as ASE and SLED sources and the pumps for Raman amplifiers.

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120mW Laser Diode

Oclaro’s (Denville, NJ) HL63142DG high power red laser diode offers an inbuilt monitor photodiode at a lasing wavelength of 637nm. It is a unique design which enables system designers to control optical power output by monitoring the photodiode current and adjusting power variants and temperature for precise control and constant performance.

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Product of the Month: The RVG200 Videographic Data Recorder

ABB, Warminster, PA, has introduced the RVG200 videographic data recorder with touchscreen technology. The recorder provides easy access to process data for onsite operators, while enabling secure remote access to the same data from any tablet, smartphone, PC, or other networked device. Using iconbased menus or by swiping through the screens, operators can find the process data they need and view it in formats such as individual or grouped charts, bar graphs, or digital indicator displays. The unit is integrated into a plant network through a 100-Mbit/s Ethernet connection. The recorder can notify operators via email of process alarms or critical process events, automatically sent to their PC or smartphone. It can also be configured to routinely email summary reports of process conditions. Up to 24 universal analog inputs enable direct connection of mA, mV, TC, RTD, voltage, and digital signals. Front and rear USB ports permit users to connect a variety of peripheral devices such as a USB memory drive.

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Product of the Month: the GEN3i Portable Data Recorder

HBM, Marlborough, MA, has introduced the GEN3i portable data recorder, part of the Genesis High Speed line of data recorders. They are designed for laboratory, power test stands, and destructive material testing applications, as well as for generators, turbines, and engines. The recorder transfers data directly to the storage medium at speeds as high as 200 MB/s (one hundred million measured values per second). A user can employ 18 channels at 2 MS/s, producing 4 MB/s per channel. The 18 channels will produce 72 MB/s continuously until the 480- GB solid-state disk (SSD) is loaded. Users can select from 21 different data acquisition cards. The recorder can be equipped with isolated strain gauge or accelerometer signal conditioners, as well as ultra-high-speed cards offering sampling rates of 100 MS/s, or an isolated 1 kV data acquisition card with ±1000V direct inputs. It features up to 96 fully configurable input channels and an intuitive touchscreen that lets users access all data handling functions.

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