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StollLab / EasySpin

MATLAB toolbox for Electron Paramagnetic Resonance (EPR) spectroscopy
http://easyspin.org
MIT License
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Pulse shaping: implement HSn frequency modulation function #320

Closed stestoll closed 9 months ago

stestoll commented 9 months ago

For higher-order HSn pulses (n>1), pulse implements the amplitude modulation function (order is provided via Par.n), but it does not provide the associated frequency modulation function. This should be implemented.

For the math, see for example Table 1 in https://doi.org/10.1006/jmra.1996.0110

cetait commented 9 months ago

Higher order HSn pulses (with offset-independent adiabaticity) are currently implemented through Par.Type = 'sech/uniformQ, which returns both amplitude and frequency modulation functions (if n=1 this is equivalent to 'sech/tanh'). Is this what you mean? In the documentation, in the description of uniformQ, it says that this can be used for nth order sech pulses. Would it be useful to add the HSn notation or to also mention it as a comment in the description of the amplitude modulation functions under 'sech'?

stestoll commented 9 months ago

I see. I think this really just a documentation issue then - mentioning it under the sech amplitude would be good.