Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Review of Scientific Instruments
56 (1985), S. 389-397
ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
The two major contributions to the time spread of electrons detected after energy analysis in coincidence techniques are from the angular spread in the spectrometers and energy dispersion. We describe a compensation technique for each of these contributions. To compensate for the angular spread we would couple the first hemispherical electron spectrometer with an identical one, by means of an electron lens with a magnification of −1. Compensation for the energy spread is possible because in the spectrometers faster electrons have longer transit times, while the opposite is the case for electrons in field-free space and in electron lenses. In each case there is a linear relationship between the time spread and the spread in kinetic energies.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1138310
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