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A microfabricated Fabry-Perot optical resonator has been used for atom detection and photon production with less than 1 atom on average in the cavity mode. Our cavity design combines the intrinsic scalability of microfabrication processes…

Quantum Physics · Physics 2009-11-13 M. Trupke , J. Goldwin , B. Darquié , G. Dutier , S. Eriksson , J. Ashmore , E. A. Hinds

Laser wakefield accelerators have great potential as the basis for next generation compact radiation sources because their accelerating gradients are three orders of magnitude larger than traditional accelerators. However, X-ray radiation…

We present an efficient method to produce laser-triggered proton pulses well below 500 ps pulse width at keV energies. We use femtosecond photoelectron pulses emitted from a cathode to enable ultrafast electron-stimulated desorption of…

A key requirement for quantum technologies based on atoms, ions, and molecules, is the ability to realize precise phase- and amplitude-controlled quantum operations via coherent laser pulses. However, for generating pulses on the…

Quantum Physics · Physics 2025-12-30 Shuzhe Yang , Guido Masella , Vase Moeini , Amar Bellahsene , Chang Li , Tom Bienaimé , Shannon Whitlock

We present a continuous-wave, 810 nm laser with watt-level powers. Our system is based on difference-frequency generation of 532 nm and 1550 nm fiber lasers in a single pass through periodically poled lithium niobate (PPLN). We measure the…

Atomic Physics · Physics 2021-09-29 William J. Eckner , Aaron W. Young , Nathan Schine , Adam M. Kaufman

The Spallation Neutron Source (SNS) is being designed, constructed, installed and commissioned by the staff of six national laboratories, Argonne National Laboratory, Brookhaven National Laboratory, Jefferson National Accelerator…

Accelerator Physics · Physics 2007-05-23 Robert L. Kustom

Femtosecond pulses hold great promise for high-precision tissue removal. However, ablation rates are severely limited by the need to keep average laser power low to avoid collateral damage due to heat accumulation. Furthermore, previously…

We investigate the feasible limits for realising a continuously evaporated atom laser with high-temperature sources. A plausible scheme for realising a truly continuous atom laser is to outcouple atoms from a partially condensed Bose gas,…

Quantum Physics · Physics 2013-05-30 G. R. Dennis , Matthew J. Davis , J. J. Hope

We present the development of a laser system for performing single-photon atom interferometry on the 698 nm clock transition in ultracold Strontium. We coherently combine the power of two Titanium:Sapphire lasers and demonstrate chirps of…

Optics · Physics 2023-08-02 Kenneth DeRose , Tejas Deshpande , Yiping Wang , Tim Kovachy

In this work we report a new and simple method that combines the pulsed laser ablation in liquids (PLAL) and the Sol-Gel techniques to obtain nanocomposite glasses and gelatins. Gold nanoparticles (Au-NPs) are generated by PLAL using the…

Upgrading the productivity of nanoparticles (NPs), generated by pulsed laser ablation in liquid (PLAL), still remains challenging. Here a novel variant of PLAL was developed, where a doubled frequency Nd:YAG laser beam (532 nm, ~ 5 ns, 10…

Chemical Physics · Physics 2020-04-22 Yaakov Monsa , Gyora Gal , Nadav Lerner , Ilana Bar

We demonstrate broadband laser cooling of atomic ions in an rf trap using ultrafast pulses from a modelocked laser. The temperature of a single ion is measured by observing the size of a time-averaged image of the ion in the known harmonic…

Quantum Physics · Physics 2009-11-11 B. B. Blinov , R. N. Kohn , M. J. Madsen , P. Maunz , D. L. Moehring , C. Monroe

Strong optical forces with minimal spontaneous emission are desired for molecular deceleration and atom interferometry applications. We report experimental benchmarking of such a stimulated optical force driven by ultrafast laser pulses. We…

Atomic Physics · Physics 2019-07-23 Xueping Long , Scarlett S. Yu , Andrew M. Jayich , Wesley C. Campbell

We report a compact single-cell source of a continuous cold-atom beam with three-dimensional (3D) cooling. By integrating an off-axis moving optical molasses (OM) with a two-dimensional magneto-optical trap (MOT), we achieve simultaneous 3D…

Atomic Physics · Physics 2026-04-17 Sheng-Zhe Wang , Qian-Lan Cai , Zhi-Xin Meng , Yi-Cheng Deng , Yan-Ying Feng

We have developed a source of cold LiH molecules for Stark deceleration and trapping experiments. Lithium metal is ablated from a solid target into a supersonically expanding carrier gas. The translational, rotational and vibrational…

Atomic Physics · Physics 2009-11-13 S. K. Tokunaga , J. O. Stack , J. J. Hudson , B. E. Sauer , E. A. Hinds , M. R. Tarbutt

Magneto-optical traps (MOTs) are widely used for laser cooling of atoms. We have developed a high-flux compact cold-atom source based on a pyramid MOT with a unique adjustable aperture that is highly suitable for portable quantum technology…

Atomic Physics · Physics 2021-07-07 Sean Ravenhall , Benjamin Yuen , Chris Foot

We study the properties of a cryogenic buffer gas source that uses a low temperature two-stage buffer gas cell to produce very slow beams of ytterbium monofluoride molecules. The molecules are produced by laser ablation inside the cell and…

Atomic Physics · Physics 2024-11-19 A. D. White , S. Popa , J. Mellado-Munoz , N. J. Fitch , B. E. Sauer , J. Lim , M. R. Tarbutt

This paper demonstrates the usefulness of pulsed laser ablation in liquids as a fast screening synthesis method able to prepare even complex compositions at the nanoscale. Nanoparticles of Y2O3:Eu3+, Lu2O2S: Eu3+, Gd2SiO5:Ce3+ and…

Materials Science · Physics 2009-10-08 Gilles Ledoux , David Amans , Christophe Dujardin , Karine Masenelli-Varlot

Here we describe a compact and efficient strontium oven well suited for laser-cooling experiments. Novel design solutions allowed us to produce a collimated strontium atomic beam with a flux of 1.0\times10^13 s^-1 cm^-2 at the oven…

We have built a compact light source for bright squeezed twin-beams at 795\,nm based on four-wave-mixing in atomic $^{85}$Rb vapor. With a total optical power of 400\,mW derived from a free running diode laser and a tapered amplifier to…

Quantum Physics · Physics 2012-09-13 Ulrich Vogl , Ryan T. Glasser , Paul D. Lett