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A new crossed molecular beam apparatus using time-sliced ion velocity imaging technique
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10.1063/1.2978004
/content/aip/journal/rsi/79/9/10.1063/1.2978004
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/9/10.1063/1.2978004
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The horizontal cut view of the apparatus showing the arrangement of the vacuum chambers.

Image of FIG. 2.
FIG. 2.

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.

Image of FIG. 3.
FIG. 3.

The simulation of the ion optics assembly and the detector setup.

Image of FIG. 4.
FIG. 4.

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).

Image of FIG. 5.
FIG. 5.

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 .

Image of FIG. 6.
FIG. 6.

(a) Raw image of the product at the (000) vibrational level from the reaction.

Image of FIG. 7.
FIG. 7.

(a) Raw image of the product at the (050) vibrational state from the reaction. (b) Image of (a) after correcting for the sensitivity function.

Image of FIG. 8.
FIG. 8.

Detection sensitivity as a function of products .

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/content/aip/journal/rsi/79/9/10.1063/1.2978004
2008-09-23
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A new crossed molecular beam apparatus using time-sliced ion velocity imaging technique
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/9/10.1063/1.2978004
10.1063/1.2978004
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