fieldsweep.m

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Field sweep EPR experiment using steady state formalism. This function solves the steady-state Liouville-von Neumann equation for the amplitude of the coil vector as a function of the applied magnetic field.

Syntax

    [x_axis,spec]=fieldsweep(spin_system,parameters)

Arguments

     parameters.rho0          - initial condition

     parameters.coil          - detection state

     parameters.grid          - powder grid

     parameters.rframe_order  - rotating frame correction 
                                order

     parameters.sweep         - sweep extents around centre 
                                field, two-element vector, Tesla

     parameters.mw_pwr        - microwave power, Hz

     parameters.npoints       - number of points in the sweep

Outputs

     x_axis - spectrum X axis in Tesla

     spec   - amplitudes of the coil state at each point of the sweep

Examples

See fieldsweep_nitroxide.m file in examples/esr_solids directory.

Notes

This function should be called directly without the powder wrapper. It implements the limit of infinitely slow field scan.

See also

rapidscan.m, acquire.m, fieldscan_enlev.m, fieldscan_magn.m


Version 2.2, authors: Ilya Kuprov