ELECTRO OPTICAL COMPONENTS, Inc.

Diamond Detectors Limited devices are distributed exclusively in North America by ELECTRO OPTICAL COMPONENTS, Inc.

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Bio and Chemical Sensors Research into boron doped diamond as a sensor electrode has excited many groups in research and industry. Diamond Detectors Ltd provides these materials as super polished plates (Ra<5nm), die and encapsulated devices across a broad spectrum of sensing applications. “Diamond offers advantages over other electrodes, especially commonly used sp2 carbon electrodes, for electroanalytical measurements in terms of linear dynamic range, limit of quantitation, response time, response precision, and response stability.” Greg M. Swain, Dept of Chemistry, Michigan State University The advantages of boron-doped diamond relative to traditional electrode materials include: Wide potential window in aqueous media Stable at extreme anodic and cathodic potentials Stable in chemically aggressive media Relatively insensitive to dissolved oxygen Very low background current Highly resistant to surface fouling Biocompatible Mechanically robust enough to withstand ultrasound, microwave or laser activation Readily functionalized: e.g. hydrogen-, oxygen-, amine-, carboxyl-, or metal-nano-particle- termination possible Immobilization of bio-molecules possible on functionalized diamond surfaces Current and emerging applications include: Environmental monitoring/control, e.g. trace-metal analysis; monitoring priority pollutants Food and drug analysis Replacing mercury electrodes in much of electro-analysis As a support for electro-catalysts, such as metals and metal oxides, e.g. in fuel cells Detection of biologically important molecules, e.g. glucose, dopamine Biosensors in general HPLC and CE (capillary electrophoresis) end-column detection Real-time and in-vivo monitoring Organic and inorganic electro-synthesis Water treatment, e.g. pollutant destruction Bio and Chemical Sensor Properties Diamond Detectors Type Channels Element Size mm Rise Time ps High Responsivity Single 1   100 Yes Quad Detector 4 4.7 x 4.7 Array Detector Up to 12x12 (144) 1.0 x 1.0 each High Density Array 1000+ 25um pitch Diamond Detector Package Selector Package Type Max. Detector Size - mm Size - mm Connector Type Through Transmission Dual End SMA Female 4.7 x 4.7 35 x 14 x 10 SMA Yes Single Ended BNC/SMA/TNC Male 20D x 38  BNC, SMA or TNC No SMA Quad 28D x 11T SMA Yes Miniature 1 x 1 3D x 2 2 pins No Detector Amplifiers Model Channels Bandwidth Gain DBA-IV 1 2 GHz 50 dB 4 Channel Amp 4 200 KHz 1000V or TTL Technical Notes: Surface Finish Boron Doped Diamond Sensors Fast Neutron Detection Thermal Neutron Detection

 

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