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Emily A Kaplan edited The_apparatus_has_two_different__.tex
over 8 years ago
Commit id: e53fcf4747bff9fb43ade2595bd0608ffad1f409
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The apparatus has two different field coils: Helmholtz coils and gradient coils. The Helmholtz coils produce a region of uniform magnetic field using two solenoid electromagnets on the same axis. The Helmholtz coils can be used to cancel external magnetic fields. In this experiment, we will use the Helmhotz coils to provide the field for experiments on 2H nuclei. The gradient coils make the magnetic field more
homogeneous. homogeneous, since there may be local fluctuations in Earth's magnetic field. There are three sets of gradient coils: 1) x-component, 2) y-component, and 3) z-component. The z-component varies linearly in each direction. In this experiment, the gradient coils will allow for the measurement of the spin-lattice relaxation time and homogenize the local Earth's magnetic field.