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A bipolar LED drive technique for high performance, stability and power in the nanosecond time scaleRonchi, E. ...Pulsed light sources are often used to monitor the stability of lightThis approach has been studied in 2003 and implemented in 2004 for two fusion neutron spectrometers at the joint European Torus ... (JET) namely the Magnetic Proton Recoil upgrade (MPRu) and the Time Of Flight Optimized for Rate (TOFOR). A driver has been manufactured and connected to the scintillation detectors of each spectrometer through an optical fiber distribution network. Both MPRu and TOFOR have been successfully relying on this system for calibration and performance monitoring for several years, confirming the long-term stability and reliability of this technique detectors such as photomultiplier tubes. Light emitting diodes (LEDs) are suitable for this due to their high specific light yield. While pulsed operation in the region of mu s is generally accessible with most LEDs and drivers, the ns time scale often represents a technical challenge. This paper describes a technique of bipolar LED drive that can produce light pulses of a few ns at high stability, reliability and power. The driver also offers control over the properties of the light pulse produced such as shape, intensity and repetition rate.Source: Nuclear instruments and methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment. - ISSN 0168-9002 (Iss. 2-3, Vol. 599, 2009, str. 243-247)Type of material - article, component partPublish date - 2009Language - englishCOBISS.SI-ID - 24720679
source: Nuclear instruments and methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment. - ISSN 0168-9002 (Iss. 2-3, Vol. 599, 2009, str. 243-247)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Ronchi, E. | |
Lengar, Igor | 19167 |
Snoj, Luka, 1981- | 27819 |
Trkov, Andrej | 08557 |
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