Polar-to-energy responses of Sectors A-D for the 3DCAM instrument under a 4 keV electron beam

Calibration results for channels 1 to 4 and sectors A to D. Done under a 4keV electron beam, variations of polar angles and electrostatic optics' voltages. Magnetic compensation using a 3-axis Helmholtz coil. For reference, see calibration chapter of Gwendal Hénaff's PhD thesis "Modeling, development and test of a 3D-printed plasma camera for in-situ measurements in space": https://theses.fr/s350960

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Line 3: voltage bins, from 528V to 688V
Line 6: polar angle bins; from -11.25° to -70.75°

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Line 6 to 39 : performance results in a 33x33 table. Cells contains the number of counts.