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Jul 16, 2010· Teachspin optical pumping. Teachspin power/audio amplifier . Teachspin pulsed/cw nmr . Teachspin pulsed nmr . Teachspin quantum analogs . Teachspin signal processor/lock-in amplifier . Teachspin sonoluminescence. Teachspin torsional oscillator. Teachspin two slit interference, one photon at a time.


2. J. Recht and W. Klein, Optical Pumping of Rubidium, University of Wisconsin Laboratory Notes, (2005). 3. E. D. Black, Optical Pumping, California Institute of Technology Laboratory Notes, (27 Sep. 2004). 1 Introduction and theory Optical pumping was introduced by Alfred Kastler in 1950 and has since been a useful tool for


Optical Pumping 5 where Ehf = A(I +1=2) is the zero-magnetic field hyperfine splitting and we have ignored a small effect due to nuclear magnetic moment, see Ref. 2. The hyperfine energy splitting at zero magnetic field is Ehf = 3036 MHz for 85Rb and Ehf = 6835 MHz for 87Rb. Optical pumping The transition rules for the 5s Rb electron are similar to those for the …


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Optical Pumping of Rubidium

Optical Pumping of Rubidium Advanced Laboratory, Physics 407 University of Wisconsin Madison, WI 53706 Abstract A Rubidium high-frequency lamp is used as the pumping light source to excite Rubidium atoms in a sample cell. The pumping source light is filtered to transmit the D1 Rb line and polarizers are used to produce circular polarization.


Optical Pumping of Rubidium Apparatus: To implement the optical pumping process, we used the apparatus shown in the figure below, manufactured by TeachSpin Inc. On the right side of the optical rail, the interference filter limits the bandwidth of light with a pass band of 790 nm to 830 nm, and the linear polarizer and quarter wave retarder ...


TeachSpin's Optical Pumping Lab apparatus allows the student to explore a wealth of atomic physics, including temperature dependent cross-sections for photon absorption, zero magnetic field transitions, spin-spin collision processes, field inversion measurements, Rabi oscillation of the atomic magnetic moment, optical pumping times, and other ...


An image of the optical pump, taken from the TeachSpin website [ref], is labeled gure 1[ref] below. A rubidium discharge lamp containing roughly equal amounts of Rb85 and Rb87 gas and xenon gas as a bu er produces an emission spectrum of rubidium using an oscillator at around 100MHz. The light passes through


Created Date: 8/27/2004 9:33:00 AM


Figure 4: The TeachSpin Optical Pumping Apparatus. The right side of the optical rail provides Key Ingredients 2 and 3; the interference filter limits the bandwidth with a pass band of 790nm to 830nm, and the linear polarizer and quarter wave retarder converts the light from random to circular polarization. The


Using TeachSpin's OP1-A optical pumping RF spectrometer, we probed the low and high eld Zeeman e ects of two rubidium isotopes, Rb85 and Rb87, with the goal of determining the nuclear spins, I, of each. To this end, we rst determined g F of each isotope through low eld optical pumping RF resonance spectroscopy.


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Optical Pumping of Rubidium

Optical Pumping of Rubidium Rex Tayloe Department of Physics, Indiana University 10/9/03 Last Revised: 10/9/03 Goals: Investigate several aspects of the optical pumping of rubidium. Introduction Using the TeachSpin Optical Pumping apparatus, you will investigate the low-field resonances and the quadratic Zeeman effect (Experiments 4B and 4C in ...


In optical pumping circularly polarized photons are generated, sent through an ab-sorbing gas, and then to a detector. See Fig. 1.1 Rightcircularpolarizedphotons carryoneunitofangularmomentum. Tounderstand the nature of optical pumping suppose the absorbing atoms can be represented by the simple spin system shown in Fig. 1.2.


Jan 01, 2003· TeachSpin's OP1A, an optical pumping apparatus designed for teaching at advanced and graduate laboratory levels, allows instructors to explore with their students the atomic physics of both isotopes of natural rubidium. Using the OP1A, ...


the TeachSpin manual[1]. Note that the detector output is a di erential signal betwen the light the dtector sees and the setpoint selected by the 10-turn potentiometer marked Detector O set". For this alignment, you may wish to have the detector on the x1 scale, but for the investigations of optical pumping, you will want to be on


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Chapter 1 Optical Pumping

In optical pumping circularly polarized photons are generated, sent through an ab-sorbing gas, and then to a detector. See Fig. 1.1 Rightcircularpolarizedphotons carryoneunitofangularmomentum. Tounderstand the nature of optical pumping suppose the absorbing atoms can be represented by the simple spin system shown in Fig. 1.2.


Optical Pumping. University of the South, June 24-26, 2020 (One set-up) The central theme of 'optical pumping' is the transfer of angular momentum. Circularly polarized light carries angular momentum, and resonant light can transfer this angular …


[CTK66] Cohen-Tannoudji, Claude and Alfred Kastler: Optical Pumping. ProgressinOptics,5:1–81,1966. [Haw55] Hawkins, William Bruce: Orientation and Alignment of Sodium Atoms by Means of Polarized Resonance Radiation. Phys. Rev.,98(2):478–486,1955. [Hel74] Hellwege, Karl Heinz: Einf¨uhrung in die Physik der Atome. Springer-


If you've heard of Optical Pumping, or read our 'Conceptual Introduction' posted on the Op-tical Pumping pages of, then you know that this apparatus offers a won-derfully direct way to explore driven, or induced transitions between the quantized energy levels of rubidium atoms which occur when the vapor


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The device is silicon-based and utilizes a unique optical-pumping-enhanced technique that significantly reduces noise at room temperature while increases the absorption of MWIR photons. This enables the detector to operate at non-cryogenic temperatures and achieve high signal-to …


With TeachSpin's Optical Pumping Apparatus of the ground state of 87 transitions overlap. At intermediate values of the dc magnetic field, however, the four transitions become resolved. For example, the four 'lines' can be observed by slowly scanning the dc magnetic field Bz (7.15 gauss). This is done while driving the transitions with a


TeachSpin apparatus offers your students a wide array of exciting and challenging hands-on physics experiments for their advanced physics lab, junior/senior lab, modern lab, optics lab, senior project and even undergraduate research.


Optical Pumping of Rubidium A. J. Sternbach, and M. Pourmand Department of Physics, Boston University, Boston, Massachusetts 02215, USA We report on the observation of zero field-induced transition, weak field and quadratic Zeeman splitting in Rubidium. We begin with a theoretical description of the expected atomic spectra in the case of hydrogen.


Optical pumping of 87Rb Masatsugu Sei Suzuki and Itsuko S. Suzuki Department of Physics, State University of New York at Binghamton Binghamton, NY 13902-6000 (Date: April 04, 2011) Abstract Optical pumping is to change the population number of atomic states by illumining of light beam to the system from ones in thermal equilibrium.


TeachSpin manual. ... with a magnetic field Equipment: TeachSpin Magnetic Torque Apparatus MT1,A ... Teachspin optical pumping equipment (control panel and pumping unit), TTL (square wave) ... See page 3-10 to 3-11 of the "Optical Pumping" manual ... magnetic moments interact (like two bar magnets), a net torque can result, which tries..


Apr 04, 2011· Optical pumping is to change the population number of atomic states by illumining of light beam to the system from ones in thermal equilibrium. The spin of the circularly polarized light is ...


Calculating the ratio of the x-values of the upper to the lower trace, for either the 87 Rb dip or the 85 Rb dip, shows that they are in the same 1.0:1.2 ratio as the rf frequencies used to produce them This discussion is just an introduction to the TeachSpin apparatus and the concept of optical pumping.


The point of this exercise is to familiarize students with the technique of optical pumping. This technique was invented by Alfred Kastler in the 1950's (he received the Nobel Prize in 1966). The mechanism of optical pumping comes from the angular momentum of photons. In this laboratory exercise students will practice optical pumping on a gas ...


Sep 10, 2013· A Conceptual Tour of TeachSpin's Optical Pumping Optical Pumping allows us to examine the phenomenon of Zeeman Splitting, a spreading of atomic energy sublevels in the presence of a magnetic field. This experiment uses two isotopes of rubidium gas, Rb85 and Rb 87 buffered with neon. Light given off by a


· Pulsed nuclear magnetic resonance (TeachSpin manual) · Optical pumping of Rubidium (TeachSpin manual) · Faraday Rotation (lock-in amplifier notes, SRS lock-in amplifier documentation) · Diode Laser Spectroscopy (TeachSpin DLS manual, Fabry-Perot Manual) · Earth's Field NMR (TeachSpin studmanual1, studmanual2, Gradient_coil_manual)


Optical Pumping. Buffalo State College, July 12-14, 2021 (One set-up) The central theme of 'optical pumping' is the transfer of angular momentum. Circularly polarized light carries angular momentum, and resonant light can transfer this angular …


View TeachSpin Optical Pumping Chapter 4 from PHYS 301 at Case Western Reserve University. Ill n this first experiment you will make an approximate measurement of the cross-section for the absorption


of Optical Pumping, another TeachSpin experiment.) With a calibrated frequency scale, it also becomes clear that the four optical transitions you see are not infinitely narrow -- rather, they each have a 'spectral width' of about 0.5 GHz. In ordinary spectroscopy, such 'widths' are nearly always due to the imperfect resolving power of


optical pumping power/audio amplifier pulsed nmr signal processor /lock-in amplifier sonoluminescence teachscope two slit interference, one photon at a time ... TeachSpin's Signal Processor/Lock-In Amplifier is ideal for making these measurements. Learn …


the standard optical pumping experiment carried out routinely in undergraduate laborato-ries. In a small applied eld B, the spin noise will have peaks at frequencies L corresponding to the weak- eld Zeeman splitting: h L = g F BB; (1) where g F is the Land e g-factor for the states with total angular quantum number F, and B is the Bohr magneton ...