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Figure 4 | EPJ Techniques and Instrumentation

Figure 4

From: In situ erosion measurement tools for electric propulsion thrusters: triangular laser head and telemicroscope

Figure 4

Performance characterization of the TLH. All data given in dependence on the set distance. Panel (a): Difference between measured distance and set distance. Panel (b): Difference of the measured distance with and without a glass window for various test object surfaces (distance between window and TLH: 30 mm). Panel (c): Difference of the measured distance with and without a glass window in dependence on the distance between window and TLH (test object: graphite plate). The solid and dashed lines represent calculation results according to Eq. (2). Parameters are given in the inset of panel (b)

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