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Precise magnetometry is vital in numerous scientific and technological applications. At the forefront of sensitivity, optical atomic magnetometry, particularly techniques utilizing nonlinear magneto-optical rotation (NMOR), enables…

Optics · Physics 2024-12-31 S. Pustelny , P. Włodarczyk

Polarization engineering has been proven to enhance the capabilities of light manipulation and thus facilitate the development of integrated photonic devices. In this study, we introduce a polarization rotator based on gradiently-twisted…

Optics · Physics 2024-03-05 Songyan Hou , Hao Hu , Zhihong Liu , Weichuan Xing , Jincheng Zhang

We report on the morphological effects induced by the inhomogeneous absorption of radially polarized femtosecond laser irradiation of nickel (Ni) in sub-ablation conditions. A theoretical prediction of the morphology profile is performed…

Materials Science · Physics 2023-07-19 George D. Tsibidis , Evangelos Skoulas , Emmanuel Stratakis

We study the mechanical effects of light on an atom trapped in a harmonic potential when an atomic dipole transition is driven by a laser and it is strongly coupled to a mode of an optical resonator. We investigate the cooling dynamics in…

Quantum Physics · Physics 2007-09-05 Stefano Zippilli , Giovanna Morigi , Wolfgang P. Schleich

Natively, atomic and molecular processes develop in a sub-femtosecond time scale. In order to, for instance, track and capture the electron motion in that scale we need suitable `probes'. Attosecond pulses configure the most appropriate…

We propose a feasible scenario to directly polarize a relativistic electron beam and obtain overall polarization in various directions through a filter mechanism for single-shot collision between an ultrarelativistic unpolarized electron…

Accelerator Physics · Physics 2023-04-04 Yuhui Tang , Qianyi Ma , Jinqing Yu , Yinren Shou , Xuezhi Wu , Xueqing Yan

In a retroreflective scheme atomic Raman diffraction adopts some of the properties of Bragg diffraction due to additional couplings to off-resonant momenta. As a consequence, double Raman diffraction has to be performed in a Bragg-type…

Quantum Physics · Physics 2022-09-08 Sabrina Hartmann , Jens Jenewein , Sven Abend , Albert Roura , Enno Giese

We demonstrate a tunable, narrow-band filter based on optical-pumping-induced circular dichroism in rubidium vapor. The filter achieves a peak transmission of 14.6%, a linewidth of 80 MHz, and an out-of-band extinction >35 dB. The…

We calculate the vacuum polarization-induced ellipticity acquired by a linearly polarized laser beam of angular frequency $\bar \omega$ on traversing a region containing a transverse magnetic field rotating with a small angular velocity…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stephen L. Adler

Using the first station of the Long Wavelength Array (LWA1), we examine polarized pulsar emission between 25 and 88 MHz. Polarized light from pulsars undergoes Faraday rotation as it passes through the magnetized interstellar medium.…

High Energy Astrophysical Phenomena · Physics 2020-07-01 V. Dike , G. B. Taylor , J. Dowell , K. Stovall

We have investigated the polarization of attosecond light bursts generated by nanobunches of electrons from relativistic few-cycle laser pulse interaction with the surface of overdense plasmas. Particle-in-cell simulation shows that the…

Optics · Physics 2016-01-27 Guangjin Ma , Wei Yu , M. Y. Yu , Baifei Shen , Laszlo Veisz

High harmonic generation by relativistically intense laser pulses from overdense plasma layers is surveyed. High harmonics are generated in form of (sub-)attosecond pulses when the plasma surface rebounds towards the observer with…

Plasma Physics · Physics 2011-11-18 Daniel an der Brügge , Alexander Pukhov

Atomic beams are powerful tools for measuring spin coherence in hot vapors but require bulky setups, limiting device miniaturization. We demonstrate that micron-thin vapor cells can mimic atomic beam behavior by exploiting…

Quantum Physics · Physics 2025-06-18 Mark Dikopoltsev , Eliran Talker , Yefim Barash , Noa Mazurski , Uriel Levy

This work theoretically investigates high-order harmonic generation in rare gas atoms driven by two temporally delayed ultrashort laser pulses. Apart from their temporal delay, the two pulses are identical. Using a single-atom model of the…

Polarized neutrons are a powerful probe to investigate magnetism in condensed matter on length scales from single atomic distances to micrometers. With the ongoing advancement of neutron optics, that allow to transport beams with increased…

Instrumentation and Detectors · Physics 2017-08-02 Jochen Stahn , Artur Glavic

Radio pulsar polarization exhibits a number of complex phenomena that are classified into the realm of `beyond the rotating vector model' (RVM). It is shown that these effects can be understood in geometrical terms, as a result of coherent…

High Energy Astrophysical Phenomena · Physics 2019-06-26 J. Dyks

We show experimentally that 3-D laser cooling of lithium atoms is achieved when the laser light is tuned exactly to resonance with the atomic transition. For a theoretical description of this surprising phenomenon we resolve to a full model…

Quantum Gases · Physics 2018-05-09 Yaakov Yudkin , Lev Khaykovich

We theoretically study a superradiant laser, deriving both the steady-state behaviors and small-amplitude responses of the laser's atomic inversion, atomic polarization, and light field amplitude. Our minimum model for a three-level laser…

Atomic Physics · Physics 2014-01-15 Justin G. Bohnet , Zilong Chen , Joshua M. Weiner , Kevin C. Cox , James K. Thompson

Dielectric microcavities based on cylindrical and deformed cylindrical shapes have been employed as resonators for microlasers. Such systems support spiral resonances with finite momentum along the cylinder axis. For such modes the boundary…

Optics · Physics 2009-11-11 Harald G. L. Schwefel , Hakan E. Tureci , A. Douglas Stone

We have developed a torsion balance to detect the rotation of a cell containing spin-polarized gaseous atoms to study angular momentum transfer from gaseous atoms to solid. A cesium vapor cell was hung from a thin wire in a vacuum chamber,…

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