Electrostatic Calculations
We performed electrostatic calculation with Elmer FEM code to check the uniformity of the drift field in the field cage and look for potential sparking points.
Dimensions of the chamber
Dimensions of the field cage
Characteristics of the cage
Flexible Kapton field cage with copper electrodes printed on one side
83 equipotential strips (3 mm wide 0.5 mm gap)
Drift field 200 V/cm
Gating grid placed 2 cm above the MICROMEGAS detector
Electrostatic Potential and Drift Lines
Electrostatic Field and Drift Lines
Gating grid
Garfield Simulations
PCB Electrodes field calculations
Calculation of the electrostatic field in the Anode electrodes, with and without an embedded electrode.
Results available in electrodes.pdf