optical pumping rubidium

Optical Pumping of Rubidium

Optical pumping of Rubidium Dr. Johannes Recht and Dr. Werner Klein, LH-Contact 1, (1991) pp. 8-11 Optical pumping is a process used in high frequency spectroscopy which was developed by A. Kastler. It allows the spectroscopy of atomic energy states in an energy region which is not accessible by means of direct, optical observation.

Optical pumping

Optical pumping is a process in which light is used to raise (or "pump") electrons from a lower energy level in an atom or molecule to a higher one. It is commonly used in laser construction to pump the active laser medium so as to achieve population inversion.The technique was developed by the 1966 Nobel Prize winner Alfred Kastler in the early 1950s.. Optical pumping is also used to ...

OPTICAL PUMPING OF RUBIDIUM

OPTICAL PUMPING OF RUBIDIUM . 1. INTRODUCTION Optical pumping [123] is a process used in high frequency spectroscopy, developed by A. Kastler who was awarded the Nobel Prize for this in 1966. In this experiment, anomalous Zeeman transitions in the ground state of . 87Rb and 85Rb with σ+- and σ--circular-polarized pumping light are observed

Optical Pumping of Rubidium

Optical pumping is a common technique used in constructing lasers. Light is used to excite (or pump) electrons in an atom from a lower energy level to a speci c higher level. Alkali metals are often used because they have only one valence electron, so that the electron can be treated like in hydrogen. In the case of rubidium, external DC and RF ...

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.

Systematics Studies of Rubidium Optical Pumping | Timothy ...

This experiment was created to study how rubidium polarization is affected by changing the parameters of the optical pumping process. The results from this experiment will help us understand the characteristics of a different apparatus that can produce a beam of polarized electrons using polarized rubidium as a spin filter.

Optical Pumping of Rubidium Vapor | Experiments ...

The time constant of the pumping action is measured as a function of the intensity of the pumping light, and the results are compared with a theory of competing rate processes - pumping versus collisional depolarization. Lab Guide. Optical Pumping of Rubidium Vapor Lab Guide (PDF) References. Bell, William E., and Arnold L. Bloom.

Optical Pumping

Optical Pumping MIT Department of Physics (Dated: August 6, 2004) Measurement of the Zeeman splittings of the ground state of the natural rubidium isotopes; measurement of the relaxation time of the magnetization of rubidium vapor; and measurement of the local geomagnetic field by the rubidium magnetometer. Rubidium vapor in a weak (∼.01­

Optical Pumping

Physics441/2 Optical Pumping 3 K =5/2 and 87Rb with K =3/2.The j =1/2 rubidium ground states for the two isotopes are split by the hyperfine interaction into doublets with F = K±1/2.The hyperfine interaction is the magnetic interaction of the nu-

OPTICAL PUMPING OF RUBIDIUM

That is, the entire discussion of all our optical pumping experiments will be based on a model that considers a fiee rubidium atom as if it was a simple hydrogenic single electron atom. The outer electron can be described by means of an orbital angular momentum L, a spin

Optical Pumping in Rubidium

Optical pumping times of the order of a few tens of milliseconds, are sufficient to allow a non-equilibrium population to be built up in the higher mF sub-states. We may disturb this new population ... of rubidium and a carrier gas of about 10 mm Hg pressure. The tube sits inside the tank coil of a push-

A-4 Optical Pumping

Optical pumping is a process in which light is absorbed by an atom in a ground state resulting in a transfer of the atom from a ground ... rubidium D1 line (794.98 nm (vac)), the laser is operated above room temperature. The temperature control is accomplished in two stages. The coarse stage utilizes

Optical Pumping

using optical pumping, and we will do that in this lab. 1 Prelab I 1.1 Rubidium''s atomic energy level structure Rubidium in its atomic state has just one valence electron and can be well approximated by a one-electron-atom model. Its nuclear properties are dif-ferent from Hydrogen, however, and this will give it a different energy-level ...

II. Optical Pumping of Rubidium

Optical Pumping - Rb recycle-scheme. Helium density profiles for a droplet of 500 He atoms doped with Rb in there equilibrium states. The helium density of the droplet is altered by the dopant. The equilibrium is reached with a dimple shape structure. After vertical excitation the helium density adiabatically follows the new rubidium potential.

Optical Pumping of Rubidium: Apparatus

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 ...

RB Optical Pumping in Rubidium

structure components of the ground state of rubidium in a known weak magnetic field. From this measurement, the corresponding g-factor, g F is determined and hence the nuclear spin. In the method used, the technique of "optical pumping" produces a non equilibrium distribution of atoms among the Zeeman sublevels of the atomic ground state. A ...

Optical Pumping of Rubidium Vapor with Laser-Diodes ...

Frequency Offset Optical Pumping Zeeman Sublevel Optical Frequency Standard Rubidium Vapor These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Optical Pumping of Rubidium Vapor

The time constant of the pumping action is measured as a function of the intensity of the pumping light, and the results are compared with a theory of competing rate processes - pumping versus collisional depolarization. PDF Lab Guide. Optical Pumping of Rubidium Vapor lab.

The Transverse Optical Pumping of Rubidium using Linearly ...

The Transverse Optical Pumping of Rubidium using Linearly-polarized Light L. P. Neukirch and T. J. Gay Behlen Laboratory of Physics, University of Nebraska, Lincoln, Nebraska 68588-0111, USA UCARE Introduction Optically-pumped alkali vapors are studied for a wide range of reasons. As an example, many accelerators throughout the world

Optical Pumping of Rubidium Vapor

Optical Pumping of Rubidium Vapor D.C. Elton1, a) and J. Chia-Yib) Stony Brook University (Dated: 27 April 2012) We studied the hyper ne levels of Rubidium using the technique of optical pumping. Using the equation 0 = g J 0 h(2I+1) Bfor Rb-87 we found g F = 0:5177 :0002 and B earth = 0:416 :0002. For Rb-85 we found g F = 0:342 :0001 and B ...

OPTICAL PUMPING OF RUBIDIUM

Optical Pumping of Rubidium Vapor - MIT

Optical Pumping Experiment

Why do we use Rubidium atom? Rubidium Alkali atom ; 1s 22s2 2p6 3s 3p6 3d10 4s2 4p6 5s The simplest atomic structure like hydrogen for our optical pumping experiment. Electronic state: total angluar momentum J = L+ S J L S 2S 1/2 2P 1/2. 2. P . 3/2. Fine Structure. I F. Nuclear spin state (I): total angluar momentum F = J+ I. Hyperfine ...

quantum mechanics

The optical pumping experiment of Rubidium requires the presence of magnetic field, but I don''t understand why. The basic principle of pumping is that the selection rule forbids transition from $...

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 ...

ADVANCED UNDERGRADUATE LABORATORY EXPERIMENT 5 …

the rubidium pressure will be correspondingly low and so also will be the intensity of the rubidium excitation lines. If the rubidium pressure is too high then self absorption in the lamp will cause the lines to broaden which effectively reduces the optical pumping intensity and, in …

Double-resonance optical-pumping spectra of rubidium 5S ...

Double-resonance optical-pumping spectra of rubidium 5S 1/2 - 5P 3/2 - 4D 3/2 transitions and frequency stabiliz ation of 1.5-micrometer laser Jing Gao, Jie Wang, Baodong Yang, Tiancai Zhang, and Junmin Wang * State Key Laboratory of Quantum Optics and Quantum Optics Devices, and Institute of Opto-Electro nics, Shanxi University,

Optical pumping of the Zeeman components in the rubidium ...

 · We investigated the optical pumping of the Zeeman components of rubidium atoms, in the presence of the external magnetic field ranging from the geomagnetic up to 130 Gauss. Using the saturated absorption spectroscopy with linearly polarized pump and probe laser beams, the rubidium Doppler-free spectra at different magnetic field strengths were ...

Optical Pumping

 · Optical Pumping MIT Department of Physics (Dated: February 17, 2011) Measurement of the Zeeman splittings of the ground state of the natural rubidium isotopes; measurement of the relaxation time of the magnetization of rubidium vapor; and measurement of the local geomagnetic eld by the rubidium magnetometer. Rubidium vapor in a weak (˘.01-

Rb: Optical Pumping in Rubidium

 · Rb: Optical Pumping in Rubidium. Circularly polarized light from a Rubidium lamp is used to "pump" Rb vapour into a specific m F level. Isotopic abundance ratios and the g-factor for each level may be calculated. Alfred Kastler won the Nobel Prize in 1966 for the development of optical pumping. Optical pumping was key step in the development of ...

Optical Pumping of Rubidium Vapor

Optical Pumping of Rubidium Vapor. Measurement of the Zeeman splittings of the ground state of the natural rubidium isotopes; measurement of the relaxation time of the magnetization of rubidium vapor; and measurement of the local geomagnetic field by the rubidium magnetometer. Rubidium vapor in a weak (~.01-10 gauss) magnetic field controlled ...

Optical Pumping of Rubidium

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 Rubidium

Optical pumping was used in order to determine the Lande g-factor g f and the related nuclear spin, I~, of two isotopes of Rubidium, 85Rb and 87Rb, by examining the Zeeman splitting of the hyper ne structure. Optical pumping was also used to examine the quadratic Zeeman e ect. 1 INTRODUCTION Although Albert Einstein laid down the the-

OPT

Optical Pumping of Rubidium Atoms, 85Rb and 87Rb; measurement of the nuclear spins Explore Magnetic Hyper ne Interactions of Rubidium Observe Zero-Field Transitions Con rm Breit-Rabi Equation Observe Double Quantum Transitions Study Rabi Oscillations Measure Optical Pumping pump up and pump down Times

OPTICAL PUMPING OF RUBIDIUM VAPOR

OPTICAL PUMPING OF RUBIDIUM VAPOR V1.3 R. A. Schumacher, February 2007 I. INTRODUCTION The primary goal of this experiment is to measure the Zeeman splitting of the ground states of neutral rubidium atoms in a weak magnetic field and to determine from …