A photoelectron velocity map imaging spectrometer for experiments combining synchrotron and laser radiations

OKeeffe, P.; Bolognesi, P.; Coreno, M.; Moise, A.; Richter, R.; Cautero, Giuseppe; Stebel, L.; Sergo, R.; Pravica, L.; Ovcharenko, Y.; Avaldi, L.

doi:10.1063/1.3563723

A velocity map imaging/ion time-of-flight spectrometer designed specifically for pump–probe experiments combining synchrotron and laser radiations is described. The in-house built delay line detector can be used in two modes: the high spatial resolution mode and the coincidence mode. In the high spatial resolution mode a kinetic energy resolution of 6% has been achieved. The coincidence mode can be used to improve signal-to-noise ratio for the pump–probe experiments either by using a gate to count electrons only when the laser is present or by recording coincidences with the ion formed in the ionization process.

Titolo:	A photoelectron velocity map imaging spectrometer for experiments combining synchrotron and laser radiations
Autori:	P. OKeeffe P. Bolognesi M. Coreno A. Moise R. Richter CAUTERO, GIUSEPPE L. Stebel R. Sergo L. Pravica Y. Ovcharenko L. Avaldi mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2011
Rivista:	REVIEW OF SCIENTIFIC INSTRUMENTS
Abstract:	A velocity map imaging/ion time-of-flight spectrometer designed specifically for pump–probe experiments combining synchrotron and laser radiations is described. The in-house built delay line detector can be used in two modes: the high spatial resolution mode and the coincidence mode. In the high spatial resolution mode a kinetic energy resolution of 6% has been achieved. The coincidence mode can be used to improve signal-to-noise ratio for the pump–probe experiments either by using a gate to count electrons only when the laser is present or by recording coincidences with the ion formed in the ionization process.
Handle:	http://hdl.handle.net/11368/2794584
Digital Object Identifier (DOI):	http://dx.doi.org/10.1063/1.3563723
Appare nelle tipologie:	1.1 Articolo in Rivista

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