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Gigahertz bandwidth ultrahigh vacuum 50 Omega coaxial high-voltage coupling capacitor for photoelectron spectroscopy

DOIResolve DOI: https://doi.org/10.1063/1.1146973
AuthorSearch for: 1
Affiliation
  1. National Research Council Canada. NRC Steacie Institute for Molecular Sciences
FormatText, Article
SubjectCAPACITORS; COAXIAL CABLES; ELECTRON SPECTROMETERS; GHZ RANGE; MICROCHANNEL ELECTRON MULTIPLIERS; MICROWAVE EQUIPMENT; PHOTOELECTRON SPECTROSCOPY; PULSE TECHNIQUES; ULTRAHIGH VACUUM
Abstract
A bakeable (200 °C) ultrahigh vacuum 50 Omega coaxial coupling capacitor is described. The capacitor is compatible with the General Radio G874 coaxial standard, has a large capacitance (6 nF) allowing for efficient transmission of both fast pulses and long analog waveforms, can hold off dc voltages of up to 5 kV, and has a bandwidth greater than 2 GHz, allowing coupling of very fast rise-time signals from cathode ground microchannel-plate detectors, often used in photoelectron spectroscopy. The capacitor design also provides a convenient bias tee for applying high voltage to the detector anode.
Publication date
In
  • Review of Scientific Instruments 67, no. 5 (30 April 1996): 1777–1780.
NPARC number12328011
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Record identifierfa1a89e1-44cb-4fde-8a8f-b15b76e73f08
Record created2009-09-10
Record modified2020-03-20

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