搜索结果: 1-15 共查到“物理学 polarization”相关记录86条 . 查询时间(0.075 秒)
Search for physics beyond the standard model via a polarization-asymmetry correlation experiment on In-107
Precision measurement polarization positron emission framework model of ev energy
2014/12/22
We report on a new precision measurement of the longitudinal polarization of positrons emitted by polarized 107In nuclei. If interpreted in the framework of the manifest left-right symmetric model, pr...
Tight Focusing of Light Beams: Effect of Polarization, Phase, and Coherence
Tight Focusing Light Beams Effect of Polarization Phase Coherence
2013/7/3
The focusing theory of electromagnetic waves has been well developed. A scalar wave theory satisfactorily describes the focusing process for a small semi-aperture angle. However, the vectorial charact...
Polarization spectroscopy and magnetically-induced dichroism of the potassium D2 lines
Polarization spectroscopy magnetically-induced dichroism the potassium D2 lines Atomic Physics
2012/5/17
We study modulation-free methods for producing sub-Doppler, dispersive line shapes for laser stabilization near the potassium D2 transitions at 767 nm. Polarization spectroscopy is performed and a com...
Non-linear magneto-optic and self polarization rotation by superposition of states
Non-linear magneto-optic self polarization rotation superposition of states Optics
2012/4/24
We report the observation of enhanced magneto-optic rotation as the coherent superposition of different hyperfine states is established in an atomic sample. The polarization rotation near the two phot...
Buffer gas-assisted polarization spectroscopy of 6Li
Buffer gas-assisted polarization spectroscopy 6Li Atomic Physics
2012/4/20
We report on the demonstration of Doppler-free polarization spectroscopy of the D2 line of 6Li atoms. Counterintuitively, the presence of an Ar buffer gas, in a certain pressure range, causes a drasti...
Generalized shifts and weak values for polarization components of reflected light beams
Generalized shifts weak values polarization components of reflected light beams Optics
2012/4/19
The simple reflection of a light beam of finite transverse extent from a homogenous interface gives rise to a surprisingly large number of subtle shifts and deflections which can be seen as diffractiv...
Polarization control proposal for Shanghai deep ultraviolet free electron laser
FEL Crossed undulator Circular polarization Slippage
2012/2/28
In this paper, a fully coherent radiation option with controllable polarization is proposed for Shanghai deep ultraviolet free electron laser (FEL) test facility. Intensive start-to-end simulation sug...
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
Dynamical Magnetic Nuclear Polarization Complex Spin Systems Semi-magnetic II-VI Quantum Dots
2012/2/29
Dynamical magnetic and nuclear polarization in complex spin systems is discussed on the example of transfer of spin from exciton to the central spin of magnetic impurity in a quantum dot in the presen...
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
2012/2/27
Dynamical magnetic and nuclear polarization in complex spin systems is discussed on the example of transfer of spin from exciton to the central spin of magnetic impurity in a quantum dot in the presen...
Spin current and polarization reversal through a single-molecule magnet with ferromagnetic electrodes
Spin current polarization reversal single-molecule magnet ferromagnetic electrodes
2012/2/27
We theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferro...
Abstract—This work presents a novel wavelength conversion scheme, differential cross-polarization modulation (DXPoM), using an extra birefringence delay to enhance the performance of the conventional ...
Radiative polarization of electrons in a strong laser wave
Radiative polarization electrons Radiative polarization
2011/9/9
Radiative polarization of electrons brought into collision with a high power laser is studied. We derive an expression for the squared amplitude of this process (summed over polarizations of the final...
Polarization squeezing of light by single passage through an atomic vapor
Polarization squeezing single passage atomic vapor
2011/8/17
Abstract: We have studied relative-intensity fluctuations for a variable set of orthogonal elliptic polarization components of a linearly polarized laser beam traversing a resonant $^{87}$Rb vapor cel...
Polarization spectroscopy of an excited state transition
Polarization spectroscopy excited state transition room temperature cesium vapor
2011/8/4
Abstract: We demonstrate polarization spectroscopy of an excited state transition in room temperature cesium vapor. An anisotropy induced by a circularly polarized pump beam on the D2 transition is ob...
Coherent manipulation of spin wave vector for polarization of photons in an atomic ensemble
spin wave vector Coherent manipulation polarization of photons atomic ensemble
2011/8/3
Abstract: We experimentally demonstrate the manipulation of two-orthogonal components of a spin wave in an atomic ensemble. Based on Raman two-photon transition and Larmor spin precession induced by m...