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DOE EMaCC Annual Report: The 440page FY1994 Annual Technical Report from the Department of Energy's Energy Materials Coordinating Committee, contains brief summaries of the materials research projects supported by DOE, including the work funded by Energy Efficiency and Renewable Energy, Energy Research, Environmental Management, Fossil Energy, Nuclear Energy, Defense Programs, and Civilian Radioactive Waste Management. The report summarizes the goals and objectives of each DOE office and provides an abstract for each project that includes principal investigator and institution, budget, and DOE contact. The projects are also referenced by keywords in the index. Circle No. 60 on Reader Service Card. Surface Brillouin Scattering System:
The BriSc from Bede Scientific is an SBS system in a cabinet-based instrument with an 850-mm square footprint. Samples are horizontally mounted, and the instrument is air cooled. All optical components are combined in one assembly and mounted vertically on a curved slideway above the sample. A frequency-doubled Nd:YAG laser provides single-mode light at 532 run. A multipass servocontrolled Fabry-Perot interferometer ensures stability and immunity to vibration. Circle No. 61 on Reader Service Card. PC-Based Imaging Systems: The NilOOO, developed by Nestor and Intel and available from Pryor Knowledge Systems, includes an integrated 16-bit ISA board powered by a recognition accelerator chip that executes up to 2.3 billion operations per second. Featured are a Windows program for training, testing, and classifying user-defined datasets in a batch environment. Aided by an intuitive GUI, users can create pattern recognition memories. Users then can optimize the memories stored on chip by developing and optimizing neural networks using P-RCE and PNN algorithms, and by defining and modifying the datasets presented to the system. A complete assembler and debugging environment is provided. Circle No. 62 on Reader Service Card. Fiberoptic Circulator: E-TEK Dynamics'
SPFC single polarization maintaining fiberoptic circulator has 60 dB isolation at either 1310 or 1550ran.The device transmits an incoming signal from port 1 to port 2, and another from port 2 to port 3. Features include high isolation of >60 dB, low insertion loss of 1.0 dB, low crosstalk of -50 dB, and high polarization extinction ratio of 25 dB. Applications include laser diode optical amplifiers, signal routing, WDM networks, and optical transceivers. Circle No. 63 on Reader Service Card.
Aerosol Refractory Paints: Alfa Aesar
Modular Control for Stepping Motors:
With the Step-Pak from Advanced Control Systems, users can mount up to eight motordriven modules in a 19-in. (48.3 cm) rack, with a ninth position available for an indexer or interconnect module. Unipolar bi-level drive modules provide smooth motor shaft rotation, relatively free from torsional pulsations induced by chopping-type drives in full- and half-step modes. Modules include microstepping, bipolar, and five-phase motor drivers. Circle No. 64 on Reader Service Ca
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