Tagged questions

How does removal and re-installation of probe affect shims?

2 0 5k
answers votes views
If you remove and later (not too much later) reinstall the probe and you are confident that probe position inside the ma...
Posted: Evgeny Fadeev 5771 / Updated: Hamish Grant 21 Aug 24 '10 at 17:56

How does removal and re-installation of probe affect shims?

2 0 5k
answers votes views
If you remove and later (not too much later) reinstall the probe and you are confident that probe position inside the ma...
Posted: Evgeny Fadeev 5771 / Updated: Hamish Grant 21 Aug 24 '10 at 17:56

What is radiation damping?

1 1 21516
answers votes views
What makes very strong signals broader - just due to the interaction of the sample with the detection coil - what is the...
Posted: Evgeny Fadeev 5771 / Updated: Kirk Marat 711 Feb 08 '10 at 05:47

Please suggest experiments that push the power limits of NMR probes

5 1 7k
answers votes views
I'm trying to come up with reasonable tests of probe performance for all channels by simulating conditions at which arci...
Posted: Evgeny Fadeev 5771 / Updated: SankarampadiAravamudhan 91 Oct 22 '10 at 01:56

Please suggest experiments that push the power limits of NMR probes

5 1 7k
answers votes views
I'm trying to come up with reasonable tests of probe performance for all channels by simulating conditions at which arci...
Posted: Evgeny Fadeev 5771 / Updated: SankarampadiAravamudhan 91 Oct 22 '10 at 01:56

Please suggest experiments that push the power limits of NMR probes

5 1 7k
answers votes views
I'm trying to come up with reasonable tests of probe performance for all channels by simulating conditions at which arci...
Posted: Evgeny Fadeev 5771 / Updated: SankarampadiAravamudhan 91 Oct 22 '10 at 01:56

Please suggest experiments that push the power limits of NMR probes

5 1 7k
answers votes views
I'm trying to come up with reasonable tests of probe performance for all channels by simulating conditions at which arci...
Posted: Evgeny Fadeev 5771 / Updated: SankarampadiAravamudhan 91 Oct 22 '10 at 01:56

Please suggest experiments that push the power limits of NMR probes

5 1 7k
answers votes views
I'm trying to come up with reasonable tests of probe performance for all channels by simulating conditions at which arci...
Posted: Evgeny Fadeev 5771 / Updated: SankarampadiAravamudhan 91 Oct 22 '10 at 01:56

Using probe that started losing B1 strength or has longer 90 degree pulse

1 0 4k
answers votes views
I've found that one of our probes lost ~1.5-2 dB of power on 13C, but nutation curve looks OK. There are no random spike...
Posted: Evgeny Fadeev 5771 / Updated: Joseph DiVerdi 146 Apr 19 '10 at 18:07

How to use network analyzer or oscilloscope to tune and match NMR probe?

1 0 8k
answers votes views
Hello, could someone share directions on how to tune and match NMR probe RF circuit using a network analyzer? We have a ...
Posted: Evgeny Fadeev 5771 / Updated: Kirk Marat 711 Jan 14 '10 at 11:51
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