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  • Magnetic Torque TeachSpin

    A millitesla uniform magnetic field, created by permanent magnets and iron shims can be slipped over the air bearing. * Manually rotating the unit at the Larmor precession frequency of the spinning sphere visually demonstrates the "spinflip" process. * While the rate of rotation is analogous to the Larmor frequency, the time 

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  • Optical Pumping Quark Interactions ExperimentDept of Physics

    A through 2.E, the "Theory" sections of the TeachSpin manual. You can skip Section 2.F upon first reading. Based on your reading and on Figure 1 in this document, do the exercises below. Figure 1 shows schematic energy level diagrams for the ground and lowest excited states of 85Rb and 87Rb in a weak magnetic field, 

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  • TEAL E&M TeachSpin(tm) MIT

    SUBJECT: The TeachSpin(tm) Apparatus. DESCRIPTION: The animation the magnetic field of a permanent magnet suspended by a spring in the TeachSpinTM apparatus, plus the magnetic field due to a current in the top coil. The magnet is fixed so that its north pole points downward, and the current in the coil is 

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  • A Conceptual Tour of Pulsed NMR*

    We'll begin our discussion of TeachSpin's Pulsed NMR with the probe head tuned to investigate protons and our proton containing mineral oil sample already loed in the field of the magnet and the net magnetization of the spins already in the thermal equilibrium condition. Figure 1 shows a side view sketch of the basic 

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  • Diode laser spectroscopy "spectroscopy and much

    B. The Detectors. C. The Absorption Cell Assembly. D. The Magnetic Field Coils. E. The Controller. F. TV and Camera. G. The Optics and Connectors. II. Initial Setup What Introduction to TeachSpin's Diode Laser Spectroscopy Figure 1: Cutaway view of a typical laser diode can, like those used in the TeachSpin laser.

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  • TeachSpin, Inc. Advanced Physics Lab, Physics Instruments

    Typical lockin amplifiers produce only milliamperes of modulation current (TeachSpin's Signal Processor/LockIn Amplifier SPLIA1 produces 35mA) so the amplitude of the modulating magnetic field it can produce is very small. With its one ampere output current, the PAA1A can produce a significant modulated magnetic 

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  • TeachSpin's Foundational Magnetic Susceptibility: A Conceptual

    just of ferromagnetic, but also diamagnetic and paramagnetic, materials. And the proper measure of magnetic response requires the definition of magnetic susceptibility the degree to which an external field creates magnetic moment in a sample. TeachSpin's Foundational Magnetic Susceptibility apparatus uses a simple 

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  • Experiment 18:The Faraday Effect PhysicsLab

    Jul 30, 2010 The TeachSpin FR1A consists of four basic components: the Light Source, the Solenoid (magnetic field source), the Analyzer Polaroid and the Optical Detector. Each one will be described separately. A. The Light Source. A red laser pointer is used as the light source. It operates at a nominal wavelength of 

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  • Magnetic Force TeachSpin

    To produce a uniform axial field at the midpoint between the coils. To produce a field gradient in the same region. MAGNETIC FORCE MEASUREMENTS There are four main objectives: 1. To demonstrate that there is no net magnetic force on a magnetic dipole in a region of uniform magnetic field. The coils are connected in 

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  • TeachSpin Earth's Field NMR manual

    President, TeachSpin, Inc. RE: Teaching Earth's Field Nuclear Magnetic Resonance. Congratulations on your purchase of our EFNMR1A apparatus. We at TeachSpin are extremely proud of this apparatus and believe it will make a significant contribution to the teaching of magnetic resonance phenomena at both the 

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  • Magnetic Torque

    given in the TeachSpin manual. Part I: Determination of magnetic moment by equalizing gravitational and magnetic torque. From your introductory electricity and magnetism study, you know that in a static uniform magnetic field, a magnetic dipole experiences a torque given by τ = µ × Β. The magnet at the center of the 

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  • Nuclear Magnetic Resonance (NMR) Caltech

    Mar 29, 2013 felt. 3.1 Apparatus. A block diagram of the TeachSpin apparatus is shown in Figure 1. A perma nent magnet supplies the field B0 along the zaxis (which in this instrument is not vertical but parallel to the table). The rotating magnetic field B is supplied by a Helmholz coil with its axis perpendicular to the axis 

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  • Earth's Field NMR TeachSpin

    Paramagnetic Ion Concentration * Viscosity * Temperature * Observe and Measure ProtonFluorine JCoupling * Measure Absolute Value of gproton/gfluorine * Precisely Measure Earth's Magnetic Field * Hear the Precessions on BuiltIn Audio System * Study Bucking Coils for Enhancing SignaltoNoise * Examine Effects 

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  • ALPhA (Advanced Laboratory Physics Association) NMR

    In 1994, TeachSpin introduced its first product, a pulsed NMR spectrometer, which allows physics students to easily explore the physics of nuclear magnetic in a magnetic field gradient, and how to predict and measure the nature of the free induction decay signal when the excitation RF is detuned from resonance.

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  • Measuring the Magnetic Moment of a Magnetic Wabash College

    can determine the direction of the magnetic moment of the system you are testing. The magnetic moment de scribes the way the dipole will behave when it encounters an external magnetic field. For this experiment we used the Magnetic Torque ap paratus made by TeachSpin [2]. This apparatus features two mounted 195 

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  • TeachSpin, Inc. Advanced Physics Lab, Physics Instruments

    Typical lockin amplifiers produce only milliamperes of modulation current (TeachSpin's Signal Processor/LockIn Amplifier SPLIA1 produces 35mA) so the amplitude of the modulating magnetic field it can produce is very small. With its one ampere output current, the PAA1A can produce a significant modulated magnetic 

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  • Nuclear Magnetic Resonance Stony Brook Laser Teaching Center

    Dec 5, 2013 magnet is orientated in the +z direction. The magnetic field produced, B0, can be varied by changing the applied current. From the TeachSpin pNMR, a π/2 pulse, referred to as an A pulse, will temporarily flip the net magnetization of the spins to the xy plane if the frequency of the rf field is resonant.

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  • Earth's field NMR Wikipedia

    Nuclear magnetic resonance (NMR) in the geomagnetic field is conventionally referred to as Earth's field NMR (EFNMR). EFNMR is a special case of low field NMR. When a sample is placed in a constant magnetic field and stimulated (perturbed) by a timevarying (e.g., pulsed or alternating) magnetic field, NMR active 

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  • TeachSpin Earth's Field NMR manual

    President, TeachSpin, Inc. RE: Teaching Earth's Field Nuclear Magnetic Resonance. Congratulations on your purchase of our EFNMR1A apparatus. We at TeachSpin are extremely proud of this apparatus and believe it will make a significant contribution to the teaching of magnetic resonance phenomena at both the 

    Online
  • Magnetic Torque TeachSpin

    A millitesla uniform magnetic field, created by permanent magnets and iron shims can be slipped over the air bearing. * Manually rotating the unit at the Larmor precession frequency of the spinning sphere visually demonstrates the "spinflip" process. * While the rate of rotation is analogous to the Larmor frequency, the time 

    Online
  • Earth's Field NMR Gradient Field Coil System TeachSpin

    The EFNMR Gradient/Field Coil System has two types of field coils, Gradient and Helmholtz. The coil system is mounted in a nonmagnetic frame that allows the zaxis to be aligned along the ambient field. This is accomplished with the aid of a permanent magnet dip needle placed inside the coils during alignment.

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  • Faraday rotation measurement using a lockin amplifier (PDF

    Dec 19, 2017 While conducting these studies, Faraday established the basis for the electromagnetic field concept in physics, subsequently enlarged upon by James the magnetic field B. As the B varies, the plane of polarization rotates and the transmitted beam .. Fig.8 Apparatus of Faraday rotation (TeachSpin).

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  • TeachSpin Pulsed NMR Manual University of Tennessee Physics

    In 1946 nuclear magnetic resonance (NMR) in condensed matter was discovered simultaneously by Edward Purcell at Harvard and Felix Bloch at Stanford using different instrumentation and techniques. Both groups, however, observed the response of magnetic nuclei, placed in a uniform magnetic field, to a continuous.

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  • Teachspin, inc. Teaching Instruments For Physics, Advanced

    Condensed Matter Physics · Diode Laser Spectroscopy · Fabry Perot Cavity · Earth's Field NMR · Earth's Field NMR Gradient Field Coil System · Faraday Rotation · Foundational Magnetic Susceptibility · Fourier Methods · Hall Effect Probe · Magnetic Force · Magnetic Torque · Modern Interferometry · Muon Physics · Noise 

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  • Hall Effect Probe TeachSpin

    TeachSpin's HE1A Hall Effect Probe is a rugged and versatile device that produces a low impedance output voltage directly proportional to the magnetic field at its sensors. It can measure both the radial and transverse components of the field at a given region of space. It can measure both constant and low frequency 

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  • Pulsed/CW NMR TeachSpin

    Overview of the PS2B System HighField, High Homogeneity Permanent Magnet 0.49 Tesla, 21 MHz proton resonance field stabilized to 1 part in 106 over a 20 minute interval. RF sample probe with single coil and a 50 ohm input impedance a matched unit. four independently adjustable gradient coils (x, y, z, z2) available 

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  • TEAL E&M TeachSpin(tm) MIT

    SUBJECT: The TeachSpin(tm) Apparatus. DESCRIPTION: The animation the magnetic field of a permanent magnet suspended by a spring in the TeachSpinTM apparatus, plus the magnetic field due to a current in the top coil. The magnet is fixed so that its north pole points downward, and the current in the coil is 

    Online
  • Earth's Field NMR Gradient Field Coil System TeachSpin

    The EFNMR Gradient/Field Coil System has two types of field coils, Gradient and Helmholtz. The coil system is mounted in a nonmagnetic frame that allows the zaxis to be aligned along the ambient field. This is accomplished with the aid of a permanent magnet dip needle placed inside the coils during alignment.

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  • Prices TeachSpin

    International. Condensed Matter Physics, see price list, see price list. Diode Laser Spectroscopy, 20,000, 22,000.00. Earth's Field NMR w Gradient Field Coils, 8,800.00, 9,675.00. FabryPerot Cavity, 1,800.00, 2,000.00. Faraday Rotation, 1,800.00, 1,800.00. Foundational Magnetic Susceptibility, 1,750.00, 1,800.00.

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  • Magnetic Force TeachSpin

    To produce a uniform axial field at the midpoint between the coils. To produce a field gradient in the same region. MAGNETIC FORCE MEASUREMENTS There are four main objectives: 1. To demonstrate that there is no net magnetic force on a magnetic dipole in a region of uniform magnetic field. The coils are connected in 

    Online
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