Patent ID: 6958609

Claim:
An apparatus comprising an NMR robe device, including: an RF excitation source; a first sample holder configured to receive a first sample; a first coil having a plurality of windings disposed around said first sample holder, said first coil detecting a first sample response to an excitation signal from said RF excitation source when said first sample is within said first sample holder; a second sample holder configured to receive second sample; a second coil having a plurality of windings disposed around second sample holder, said second coil detecting a second sample response to an excitation signal from said RF excitation source when said second sample is within said second sample holder, said second coil being electrically connected in series with said first coil during detection; wherein said first coil and said second coil are disposed relative to said RF excitation source in order to provide a phase difference between the first sample response and the second sample response in order to at least partially cancel one or more response components corresponding to a common material located within the first sample and the second sample.