et_to_beta#
- diffsims.utils.sim_utils.et_to_beta(et, acceleration_voltage)[source]#
Calculate beam deflection (beta) values from E * t.
- Parameters:
et (NumPy array) – Electric field times thickness t of the sample.
acceleration_voltage (float) – In Volts
- Returns:
beta – Beam deflection in radians
- Return type:
NumPy array
Examples
>>> import numpy as np >>> import diffsims.utils.sim_utils as sim_utils >>> data = np.random.random((100, 100)) >>> acceleration_voltage = 200000 # 200 kV (in Volt) >>> beta = sim_utils.et_to_beta(data, acceleration_voltage)