Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Molecular Chaperones and Protein Folding03:00

Molecular Chaperones and Protein Folding

20.0K
The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form these interactions, the protein cannot fold by itself and needs chaperones. Notably, chaperones do not relay any additional information required for the folding of polypeptides; the native conformation of a protein is determined solely by its amino acid sequence. Chaperones catalyze protein folding without being a part of the folded protein.
The...
20.0K
Protein Folding01:22

Protein Folding

128.4K
Overview
128.4K
Protein Folding01:25

Protein Folding

11.7K
Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation, critical to its biological function. Interactions between its constituent amino acids guide protein folding, and hence the protein structure is primarily dependent on its amino acid sequence.
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
11.7K
Social Traps01:41

Social Traps

27.0K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
27.0K
Steady State Concentration01:05

Steady State Concentration

6.1K
A steady state refers to the level of a drug in the body once it has reached an equilibrium between administration and elimination. It represents the point at which the drug administration rate equals the drug elimination rate, resulting in a relatively constant concentration in the body over time. The dynamic equilibrium is crucial to ensure the drug's effectiveness with minimal risk of toxicity.
Most drugs are administered in repeated doses at fixed intervals or through continuous...
6.1K
Steady Flow of a Fluid Stream01:27

Steady Flow of a Fluid Stream

786
Consider a control volume, such as a pipe with solid boundaries, through which fluid flows and changes direction due to the impulse exerted by the resulting force from the pipe walls. In steady flow, the mass of fluid entering the control volume at a given time, t, with velocity v1, is equal to the mass leaving after infinitesimal time dt, with velocity v2.
During this process, the momentum of the fluid within the control volume remains constant over the time interval dt. By applying the...
786

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Measurement of the g Factor of Ground-State ^{87}Sr at the Parts-per-Million Level Using Co-Trapped Ultracold Atoms.

Physical review letters·2025
Same author

Correction to "Fermi Velocity Dependent Critical Current in Ballistic Bilayer Graphene Josephson Junctions".

ACS nanoscience Au·2025
Same author

Automated Detection of Necrotizing Soft Tissue Infection Features by Computed Tomography.

Diagnostics (Basel, Switzerland)·2025
Same author

Fermi Velocity Dependent Critical Current in Ballistic Bilayer Graphene Josephson Junctions.

ACS nanoscience Au·2025
Same author

Multiplet Supercurrents in a Josephson Circuit.

Physical review letters·2025
Same author

Synergistic fermentation of Cordyceps militaris and herbal substrates boosts grower pig antioxidant and immune function.

BMC veterinary research·2024
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: Feb 16, 2026

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.7K

Steady-State Magneto-Optical Trap with 100-Fold Improved Phase-Space Density.

Shayne Bennetts1, Chun-Chia Chen1, Benjamin Pasquiou1

  • 1Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, Science Park 904, 1098XH Amsterdam, The Netherlands.

Physical Review Letters
|December 30, 2017
PubMed
Summary
This summary is machine-generated.

We achieved a high phase-space density magneto-optical trap (MOT) for strontium-88 atoms, significantly improving upon previous steady-state MOTs. This breakthrough enables continuous atom lasers and advanced atom interferometers.

More Related Videos

Optical Trapping of Nanoparticles
13:39

Optical Trapping of Nanoparticles

Published on: January 15, 2013

23.0K
Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

7.9K

Related Experiment Videos

Last Updated: Feb 16, 2026

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.7K
Optical Trapping of Nanoparticles
13:39

Optical Trapping of Nanoparticles

Published on: January 15, 2013

23.0K
Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

7.9K

Area of Science:

  • Atomic, Molecular, and Optical (AMO) Physics
  • Quantum Optics
  • Laser Cooling and Trapping

Background:

  • Magneto-optical traps (MOTs) are crucial for laser cooling and trapping atoms.
  • Achieving high phase-space density in MOTs is essential for applications like atom lasers and interferometers.
  • Previous steady-state MOTs have limitations in phase-space density, hindering advanced applications.

Purpose of the Study:

  • To demonstrate a continuously loaded magneto-optical trap (MOT) for strontium-88 (^88Sr) atoms with significantly enhanced steady-state phase-space density.
  • To establish a robust platform for generating ultracold atoms for applications in quantum technologies.
  • To investigate the feasibility of producing Bose-Einstein condensates within a high phase-space density MOT environment.

Main Methods:

  • Utilizing a series of spatially separated laser cooling stages to pre-cool atoms before capture.
  • Employing a hybrid slower+MOT configuration for efficient atom trapping.
  • Operating the MOT on the narrow 7.4-kHz linewidth strontium intercombination line.
  • Implementing a continuous loading scheme for sustained operation.

Main Results:

  • Demonstrated a steady-state phase-space density of 1.3(2)×10^{-3} for the ^88Sr MOT, an improvement of two orders of magnitude over previous steady-state MOTs.
  • Successfully produced a Bose-Einstein condensate (BEC) at the MOT location.
  • Showcased the ability to form a BEC despite the presence of resonant laser cooling light from a separate atom slowing stage.

Conclusions:

  • The developed high phase-space density, continuously loaded MOT serves as an excellent starting point for continuous atom lasers.
  • This advanced MOT is suitable for developing dead-time-free atom interferometers and high-precision atomic clocks.
  • The demonstrated BEC production highlights the potential of this system for various quantum applications.