Molecular beam Faraday cage

The molecular beam filtered out electrons and small ions since no electrostatic focusing was used. Applied deflection voltage less than about 0.1 V had no effect on the current arriving at the Faraday cage, which indicates that ions smaller than about 300 100 amu were not in the beam. 

Figure 6 shows a comparison of the total ion concentration profile determined in the present study of the <() = 3.0 flame with relevant data from other studies. These include profiles of total ions, charged particles, and neutral species. The profile indicated by HS represents molecular beam Faraday cage measurements by Homann and Stroefer ( ). The profile is actually an average of... 

Figure 6. Comparison of present 0 = 3.0 Langmuir probe total ion concentration profile with other results. AeroChem, Langmuir probe HS, molecular beam Faraday cage ( ) (see text) neutral soot and charged soot (2l) > 1000 amu, neutral species (22).

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