A copper X-band (9.22 GHz) cross loop resonator has been constructed for use with 4 mm sample tubes. The Q for the two resonators are 380 and 350, respectively. The resonator efficiency is about 1 G per square root of watt. Operation has been demonstrated with measurement of T by saturation recovery for samples of coal and an immobilized nitroxide radical.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5739319 | PMC |
| http://dx.doi.org/10.1007/s00723-017-0945-2 | DOI Listing |
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