The horizontal cut view of the apparatus showing the arrangement of the vacuum chambers.
Two ways to set up the pulsed valve: (a) horizontal direction for generating atomic or radical sources produced from discharge or nozzle-tip photolysis and (b) vertical direction for generating atomic or radical beams from molecular beam photodissociation. A third pulsed valve on the top of ion optics in both (a) and (b) is used for ion optics calibration and also for molecular photodissociation studies.
The simulation of the ion optics assembly and the detector setup.
Raw image of the signal imaging from multiphoton ionization/dissociation at 224.999 nm and the linear relation between the radius and the velocity (the voltage of ion optics is set at 2500 V).
Raw image of the H-atom beam from photodissociation of HI at 248 nm and the speed distribution of the beam. The origin of the image is at the pixel of .
(a) Raw image of the product at the (000) vibrational level from the reaction.
(a) Raw image of the product at the (050) vibrational state from the reaction. (b) Image of (a) after correcting for the sensitivity function.
Detection sensitivity as a function of products .
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