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catalog index
diode laser spectroscopy
earth's field nmr
earth's field nmr gradient/field coil system
fabry-perot cavity
faraday rotation
hall effect
magnetic force
magnetic torque
magnetic torque's magnetic force balance
modern interferometry
muon physics
optical pumping
power/audio amplifier
pulsed/cw nmr
pulsed nmr
quantum analogs
signal processor
/lock-in amplifier
sonoluminescence
torsional oscillator
two slit interference, one photon at a time
two slit's cricket
individual parts
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Earth's Field NMR
introduction | the instrument
| experiments | specifications | accessories
| prices
Newsletter 1 – Transforming Earth's Field NMR
Newsletter 2 – Putting the 'R' Into the Earth's Field NMR
A Conceptual Introduction to NMR
- Observe both Proton and Fluorine Free Precession
- Discover both the Curie Law and Spin-Lattice Relaxation
- Measure Spin-Lattice Relaxation as a Function of:
- Paramagnetic Ion Concentration
- Viscosity
- Temperature
- Observe and Measure Proton-Fluorine J-Coupling
- Measure Absolute Value of gproton/gfluorine
- Precisely Measure Earth's Magnetic Field
- Hear the Precessions on Built-In Audio System
- Study Bucking Coils for Enhancing Signal-to-Noise
- Examine Effects of Tuning on Signal-to-Noise
It is hard to imagine
a college physics or chemistry major graduating without having
performed some kind of magnetic resonance experiment. Magnetic
resonance has been, and clearly will continue to be, an important
experimental tool in the arsenal of physicists, chemists, biologists
and medical diagnosticians. Recent developments in quantum computing
seem to indicate that magnetic resonance might become the basic
platform of computer science hardware. There is no doubt that
science majors should have a basic understanding of this type
of spectroscopy.
TeachSpin,
in collaboration with Professor Bill Melton of the University
of North Carolina at Charlotte, has developed THE experiment
to introduce sophomore, junior, or even senior physics majors
to the exciting field of magnetic resonance. This new equipment
allows students to perform experiments that naturally lead them
to an understanding of precession, Curie's Law of paramagnetism,
spin-lattice relaxation and even spin-spin coupling. The apparatus
lends itself to inquiry based explorations. Its adjustable variables
and magnetic resonance signals are all on a human scale. That
is, the polarization times are in seconds, and precession frequencies
are in the audio range. This significantly enhances the students'
connection to the laboratory experience. We are confident that
this instrument will become a "new classic," replacing the old,
enigmatic marginal oscillator.
Learn about the Earth's Field NMR Gradient/Field Coil System.
introduction | the instrument
| experiments | specifications | accessories
| prices
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