Multiple resonance NMR spectroscopy using a single transmitter
An NMR imaging system comprising a transceiver module configured to couple with a magnetic resonance transmitter coil, where the transceiver module includes a first transmitter channel and a pulse programmer configured to control the transceiver module, the transceiver module generating a precession and nutation for observing rotation at multiple intervals about the carrier (“PANORAMIC”) waveform, the PANORAMIC waveform configured to produce nuclear polarization. The PANORAMIC waveform may a single-banded PANORAMIC waveform or a multiple-banded PANORAMIC waveform. A method of NMR spectroscopy or imaging, the method comprising: determining for a nuclear spin rotation at least one frequency interval and at least one corresponding phase; creating a PANORAMIC waveform for the at least one frequency interval and the at least one corresponding phase; and applying the PANORAMIC waveform from an amplifier output to a probe input. The PANORAMIC waveform may be a single-banded PANORAMIC waveform or a multiple-banded PANORAMIC waveform.
1. An NMR imaging system comprising:
a transceiver module configured to couple with a magnetic resonance transmitter coil, wherein the transceiver module includes a first transmitter channel; and
a pulse programmer configured to control the transceiver module, the transceiver module generating a PANORAMIC waveform, the PANORAMIC waveform configured to produce nuclear polarization;
wherein the magnetic resonance transmitter coil is a double-tuned proton/carbon-13 coil.
2. The NMR imaging system of claim 1 , wherein the transmitter channel is a phase and amplitude-modulated transmitter channel.
3. The NMR imaging system of claim 1 , wherein the PANORAMIC waveform is a single-banded PANORAMIC waveform.
4. The NMR imaging system of claim 1 , wherein the PANORAMIC waveform is a multiple-banded PANORAMIC waveform.
5. The NMR imaging system of claim 1 , wherein the PANORAMIC waveform is applied from a single amplifier output to a single probe input.
6. The NMR imaging system of claim 1 , wherein the magnetic resonance transmitter coil is configured to accept multiple frequency inputs and produce more than two resonant responses and wherein the PANORAMIC waveform multiplexes at least one of the resonant responses.
7. The NMR imaging system of claim 1 , wherein the transceiver module further includes a second transmitter channel.
8. A method of NMR spectroscopy or imaging, the method comprising:
determining for a nuclear spin rotation at least one frequency interval and at least one corresponding phase;
creating a PANORAMIC waveform for the at least one frequency interval and the at least one corresponding phase; and
applying the PANORAMIC waveform from an amplifier output to a probe input and
interleaving the PANORAMIC waveforms.
9. The method of claim 8 , wherein the PANORAMIC waveform is a single-banded PANORAMIC waveform.
10. The method of claim 8 , wherein the PANORAMIC waveform is a multiple-banded PANORAMIC waveform.
11. The method of claim 8 , further comprising the step of making adjustments to inter-pulse spacings to match the frequency bands to multinuclear frequencies.
12. The method of claim 8 , further comprising the step of scaling the amplitudes of the PANORAMIC waveforms.
13. The method of claim 8 , wherein the NMR spectroscopy or imaging takes place using a static magnetic field of 10 mT to 15 mT.
14. A method of NMR spectroscopy or imaging, the method comprising:
determining for a nuclear spin rotation at least one frequency interval and at least one corresponding phase;
creating a PANORAMIC waveform for the at least one frequency interval and the at least one corresponding phase; and
applying the PANORAMIC waveform from an amplifier output to a probe input;
wherein the NMR spectroscopy or imaging takes place using a static magnetic field of 10 mT to 15 mT.
15. The method of claim 14 , wherein the PANORAMIC waveform is a single-banded PANORAMIC waveform.
16. The method of claim 14 , wherein the PANORAMIC waveform is a multiple-banded PANORAMIC waveform.
17. The method of claim 14 , further comprising the step of making adjustments to inter-pulse spacings to match the frequency bands to multinuclear frequencies.
18. The method of claim 14 , further comprising the step of scaling the amplitudes of the PANORAMIC waveforms.