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EPJ Techniques and Instrumentation
Figure 5 | EPJ Techniques and Instrumentation

Figure 5

From: Single- and two-photon absorption laser-induced fluorescence spectroscopy in rare gases for gridded ion thruster diagnostics

Figure 5

(a) Schematics of the LIF vacuum optics arrangement (not to scale). The effective viewing angles of the optical probes are restricted due to supporting elements of the ion source; the intermediate angle between laser propagation and detection axis was set to 45 degrees for optimum laser insertion and fluorescence detection. (b) Ion source discharge chamber and the LIF vacuum setup in side view

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