Ultrafast photoelectron and photoion spectroscopy (as well as their combination known as “coincidence spectroscopy”) utilizes detectors based on different electron multipliers such as microchannel plates or single-channel electron multipliers. These detectors have a few important limitations such as fast-signal distortion (low pass operation), mutually exclusive positive or negative mode, dead time, and requirement of trigger. A high-pass induction detector, based on a hollow-cored toroidal coil, was developed that overcomes the above-mentioned limitations. The frequency-dispersive response and linearity of different configurations were analyzed. It is shown that the response is enhanced for ultrafast electron signals, dependent on construction parameters, thus offering response flexibility by design. Kinetic energy distributions of pseudospark-induced electron pulses are characterized in order to validate the capabilities in real applications.
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February 2017
Research Article|
February 15 2017
Induction spectrometry using an ultrafast hollow-cored toroidal-coil (HTC) detector
Yunieski Arbelo;
Yunieski Arbelo
1
Swiss Federal Laboratories for Materials Science and Technology (Empa)
, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
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Davide Bleiner
Davide Bleiner
a)
1
Swiss Federal Laboratories for Materials Science and Technology (Empa)
, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
2
University of Zürich
, Rämistrasse 71, 8006 Zürich, Switzerland
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a)
Electronic mail: [email protected]
Rev. Sci. Instrum. 88, 024710 (2017)
Article history
Received:
September 25 2016
Accepted:
January 22 2017
Citation
Yunieski Arbelo, Davide Bleiner; Induction spectrometry using an ultrafast hollow-cored toroidal-coil (HTC) detector. Rev. Sci. Instrum. 1 February 2017; 88 (2): 024710. https://doi.org/10.1063/1.4975402
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