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A microprocessor-controlled photon counter for pulsed optically detected magnetic resonance

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dc.contributor Wichita State University. Department of Chemistry en_US
dc.contributor.author Power, R. K. en_US
dc.contributor.author Nishimura, A. M. en_US
dc.date.accessioned 2012-02-06T17:16:47Z
dc.date.available 2012-02-06T17:16:47Z
dc.date.issued 1979-08-01 en_US
dc.identifier 18699646 en_US
dc.identifier 0405571 en_US
dc.identifier GM-21770 en_US
dc.identifier.citation The Review of scientific instruments. 1979 Aug; 50(8): 969-71. en_US
dc.identifier.issn 0034-6748 en_US
dc.identifier.uri http://dx.doi.org/10.1063/1.1135980 en_US
dc.identifier.uri http://hdl.handle.net/10057/4349
dc.description Click on the DOI link below to access the article (may not be free). en_US
dc.description.abstract In pulsed optically detected magnetic resonance (ODMR) spectroscopy, a lock-in amplifier is used to monitor the signal which is phase-matched to the duty cycle of an applied sequence of pulses. However, since the desired signals reside atop a much larger amplitude-modulated signal, lock-in amplification methods are difficult to use. Commerically available photon counters are of limited use, because the pulsed ODMR method requires sequential counting over several time intervals, often with minimum time delay between the intervals. The multiaccumulator photon counter described here is capable of such sequential counting over as many as four intervals. The microprocessor which controls the counter algebraically manipulates the photon counts during each of the duty cycles. The result is an inexpensive yet versatile photon counter which is suited for pulsed ODMR and other applications in which sequential counting is necessary. en_US
dc.description.sponsorship NIGMS NIH HHS en_US
dc.format.extent 969-71 en_US
dc.language.iso eng en_US
dc.publisher American Institute of Physics en_US
dc.relation.ispartofseries The Review of scientific instruments en_US
dc.relation.ispartofseries Rev Sci Instrum en_US
dc.source NLM en_US
dc.subject Research Support, N.I.H., Extramural en_US
dc.subject.mesh Electronics, Medical/instrumentation en_US
dc.subject.mesh Equipment Design en_US
dc.subject.mesh Magnetic Resonance Imaging/instrumentation en_US
dc.subject.mesh Microcomputers en_US
dc.subject.mesh Models, Theoretical en_US
dc.subject.mesh Optics and Photonics en_US
dc.subject.mesh Photons en_US
dc.subject.mesh Signal Processing, Computer-Assisted en_US
dc.subject.mesh Temperature en_US
dc.subject.mesh Time Factors en_US
dc.subject.mesh Magnetic Resonance Imaging/methods en_US
dc.title A microprocessor-controlled photon counter for pulsed optically detected magnetic resonance en_US
dc.type Article en_US
dc.coverage.spacial United States en_US
dc.description.version peer reviewed en_US
dc.rights.holder Copyright © 1979 American Institute of Physics en_US

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