Three-dimensional imaging of carbonyl sulfide and ethyl iodide photodissociation using the pixel imaging mass spectrometry camera | Zendy

Kasra Amini | Zendy; S. Blake | Zendy; M. Brouard | Zendy; Michael Burt | Zendy; Edward Halford | Zendy; Alexandra Lauer | Zendy; Craig S. Slater | Zendy; J. W. L. Lee | Zendy; Claire Vallance | Zendy

Open Access

Three-dimensional imaging of carbonyl sulfide and ethyl iodide photodissociation using the pixel imaging mass spectrometry camera

Author(s) -

Kasra Amini,

S. Blake,

M. Brouard,

Michael Burt,

Edward Halford,

Alexandra Lauer,

Craig S. Slater,

J. W. L. Lee,

Claire Vallance

Publication year - 2015

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.4934544

Subject(s) - photodissociation , mass spectrometry , carbonyl sulfide , mass spectrometry imaging , optics , pixel , materials science , ion , iodide , wavelength , physics , chemistry , photochemistry , sulfur , organic chemistry , quantum mechanics , metallurgy

The Pixel Imaging Mass Spectrometry (PImMS) camera is used in proof-of-principle three-dimensional (3D) imaging experiments on the photodissociation of carbonyl sulfide and ethyl iodide at 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-flight axis of around 6–9% in the applications presented

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