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Laser spectroscopic studies on minute samples of exotic radioactive nuclei require very efficient experimental techniques. In addition, high resolving powers are required to allow extraction of nu- clear structure information. Here we…

Instrumentation and Detectors · Physics 2017-04-14 R. P. de Groote , M. Verlinde , V. Sonnenschein , K. T. Flanagan , I. Moore , G. Neyens

We study the spectra of emission of a system composed by an atom, tightly confined inside a high-finesse resonator, when the atom is driven by a laser and is at steady state of the cooling dynamics induced by laser and cavity field. In…

Quantum Physics · Physics 2009-11-13 Marc Bienert , J. Mauricio Torres , Stefano Zippilli , Giovanna Morigi

An imaging refractrometer can be used to describe the properties of a high-energy density plasma by analyzing the transverse intensity distribution of a laser beam that has passed through the plasma. The output of the refractrometer can be…

Plasma Physics · Physics 2025-02-18 A. Rososhek , B. R. Kusse , W. M. Potter , N. J. Wilson , E. S. Lavine , D. A. Hammer

Ultrafast lasers have become one of the most powerful tools in coherent nonlinear optical spectroscopy. Short pulses enable direct observation of fast molecular dynamics, whereas broad spectral bandwidth offers ways of controlling nonlinear…

Chemical Physics · Physics 2015-05-13 X. G. Xu , S. O. Konorov , J. W. Hepburn , V. Milner

We present recent results on the coherent control of an optical transition in a single rubidium atom, trapped in an optical tweezer. We excite the atom using resonant light pulses that are short (4 ns) compared with the lifetime of the…

Laser-driven operations are a common approach for engineering one- and two-qubit gates in trapped-ion arrays. Measuring key parameters of these lasers, such as beam sizes, intensities, and polarizations, is central to predicting and…

Quantum Physics · Physics 2025-11-03 Ilyoung Jung , Frank G. Schroer , Philip Richerme

We model the process of ultra broadband light generation in which a pair of laser pulses separated by the Raman frequency drive a Raman transition. In contrast to the usual approach using separate field envelopes for the different frequency…

Optics · Physics 2008-07-24 P. Kinsler , G. H. C. New

This paper describes the first experimental demonstration of the guiding of a relativistic electron beam in a solid target using two co-linear, relativistically intense, picosecond laser pulses. The first pulse creates a magnetic field…

Photoelectron interferometry with femto- and atto-second light pulses is a powerful probe of the fast electron wavepacket dynamics, albeit it has practical limitations on the energy resolution. We show that one can simultaneously obtain…

Atomic Physics · Physics 2022-02-24 A. Plunkett , M. A. Alarcon , J. K. Wood , C. H. Greene , A. Sandhu

We present a setup for highly polarized proton beams using two parallel propagating laser pulses that have a carrier envelope phase difference of $\pi$. This mechanism is examined utilizing particle-in-cell simulations and compared to a…

Plasma Physics · Physics 2022-08-19 Lars Reichwein , Markus Büscher , Alexander Pukhov

We present an application of the Faraday effect to produce a narrow band atomic filter in an alkali metal vapor. In our experiment two Raman beams separated in frequency by the ground state hyperfine splitting in 87Rb are produced using an…

Atomic Physics · Physics 2009-11-18 Richard P. Abel , Ulrich Raitzsch , Paul Siddons , Ifan G. Hughes , Charles S. Adams

We introduce a filter-construction method for pulse processing that differs in two respects from that in standard optimal filtering, in which the average pulse shape and noise-power spectral density are combined to create a convolution…

Data Analysis, Statistics and Probability · Physics 2012-12-11 B. K. Alpert , R. D. Horansky , D. A. Bennett , W. B. Doriese , J. W. Fowler , A. S. Hoover , M. W. Rabin , J. N. Ullom

We present a methodology for the design of optimal Raman beam-splitter pulses suitable for cold atom inertial sensors. The methodology, based on time-dependent perturbation theory, links optimal control and the sensitivity function…

Atomic Physics · Physics 2023-09-01 Nikolaos Dedes , Jack Saywell , Max Carey , Ilya Kuprov , Tim Freegarde

A new method for efficient isotope separation is proposed. It is based on efficient photoionization of atoms by a continuous-wave laser using resonant-enhancement in an ultra-large volume optical cavity. This method should enable higher…

Atomic Physics · Physics 2024-10-31 Mark G. Raizen , Aaron D. Barr

We demonstrate a novel, direct method for measuring the phase velocity $v_{\phi}$ of an intense laser pulse within a plasma channel - the crucial parameter that controls the resonance condition in direct laser acceleration (DLA). The…

Excited-state vibrational dynamics in molecules can be studied by an electronically off-resonant Raman process induced by a probe pulse with variable delay with respect to an actinic pulse. We establish the connection between several…

Chemical Physics · Physics 2013-09-27 Konstantin E. Dorfman , Benjamin P. Fingerhut , Shaul Mukamel

Interaction of a high intensity short laser pulse with near-critical plasmas allows to achieve extremely high coupling efficiency and transfer laser energy to energetic ions. One dimensional Particle-In-Cell (PIC) simulations are considered…

Plasma Physics · Physics 2017-01-25 J. G. Moreau , E. d'Humières , R. Nuter , V. T. Tikhonchuk

A superintense laser pulse illuminating a thin solid-density foil can, in principle, accelerate the entire foil, therefore yielding dense, collimated, and quasi-monoenergetic ion beams. These unique features render radiation pressure…

Plasma Physics · Physics 2020-02-27 Maitreyi Sangal , Matteo Tamburini

The tremendous progress in high-intensity laser technology and the establishment of dedicated high-field laboratories in recent years have paved the way towards a first observation of quantum vacuum nonlinearities at the high-intensity…

High Energy Physics - Phenomenology · Physics 2018-04-11 Holger Gies , Felix Karbstein , Christian Kohlfürst , Nico Seegert

A method is proposed for producing monoergetic, high-quality ion beams in vacuum, via direct acceleration by the electromagnetic field of two counterpropagating, variable-frequency lasers: ions are trapped and accelerated by a beat-wave…

Plasma Physics · Physics 2009-05-29 F. Peano , J. Vieira , R. A. Fonseca , R. Mulas , G. Coppa , L. O. Silva