SequenceSpinEcho[din,ham,te]

performs a spin echo experiment with echo time te of the spin system din given the hamiltonian ham with a 90 and 180 Degree pulse.

SequenceSpinEcho[din,ham,te,b₁]

performs a spin echo experiment with echo time te of the spin system din given the hamiltonian ham with a 90 and 180 Degree pulse and b1. The te is defined in ms and the b1 of 100% is defined as 1. The output is a new spinsystem dout.