from numpy import pi

__all__ = ["_QE", "_AMU", "_HBAR", "_LSK", "_KE2", "_wkhz", "_wmhz", "_mm", "_um"]

"""
Fundamental and derived constants
"""
_QE = 1.60217e-19
_AMU = 1.66053904e-27
_HBAR = 1.05457182e-34
_LSK = 8.96273592e-4
_KE2 = 2.30707751e-28

"""
Units
"""
_wkhz = 2e3 * pi
_wmhz = 2e6 * pi

_mm = 1e-3
_um = 1e-6
