Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 79, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3036978
Keywords
carbon compounds; CCD image sensors; mass spectroscopic chemical analysis; organic compounds; photolysis; time of flight mass spectroscopy; ultraviolet radiation effects
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Funding
- EPSRC
- ISIS Innovation Ltd. [0724295.1]
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A new variation on time of flight mass spectrometry is presented, which uses a fast framing charge coupled device camera to velocity map image multiple product masses in a single acquisition. The technique is demonstrated on two photofragmentation processes, those of CS(2) and CH(3)S(2)CH(3) (dimethyldisulfide) at a photolysis wavelength of 193 nm. In both cases, several mass fragments are imaged simultaneously, and speed distributions and anisotropy parameters are extracted that are comparable to those obtained by imaging each fragment separately in conventional velocity map imaging studies.
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