Three-dimensional imaging of carbonyl sulfide and ethyl iodide photodissociation using the pixel imaging mass spectrometry camera
2015
The Pixel Imaging Mass Spectrometry (PImMS) camera is used in proof-of-principle three-dimensional imaging experiments on the
photodissociationof
carbonyl sulfideand
ethyl iodideat wavelengths around 230 nm and 245 nm, respectively. Coupling the PImMS camera with DC-sliced velocity-map imaging allows the complete three-dimensional Newton sphere of photofragment ions to be recorded on each
laser pump-probe cycle with a timing precision of 12.5 ns, yielding velocity resolutions along the
time-of-
flightaxis of around 6%–9% in the applications presented.
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