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Tag: ATAP Division

A New Method for Measuring Inter-Tape Resistance in Superconducting Cables

Reed Teyber and Chet Spencer work on the experimental setup for measuring inter-tape contact resistance in REBCO-based superconducting cables. (Credit: Matthew Fullmer, Berkeley Lab)

Researchers Make Key Gains in Unlocking the Promise of Compact X-ray Free-Electron Lasers

Jeroen van Tilborg, Sam Barber, and Carl Schroeder lean over the chicane magnets that connect the laser plasma accelerator (behind them) to the downstream undulator. The electron beam excursion in the chicane allows for remnant laser light to be blocked, while also temporally separating electrons of different energies to reduce the sliced energy spread. Credit: Thor Swift/Berkeley Lab

2025 Physical Sciences Area Strategic Plan

2025 Strategic Plan cover image close-up

Tapering In Gas Jets Increases The Efficiency Of 10-GeV Class Laser Plasma Accelerators

(a) Gas jet density measurement setup. The phase offset of the probe beam (∼3 cm diameter) after it passes through the gas plume was measured using a wavefront sensor. (b) Example microscope image of gas jet throat used for width measurements. (c) Raw phase data measured from a representative shot. A 3D model of a small section of the 30 cm elliptical gas jet is shown in (d). Image courtesy of the ATAP Division

The Technologies Fueling the Future of Fusion

Alt text: Two researchers examine a cylindrical component mounted in a testing rig on a workbench in a lab filled with equipment and tools.

Expert Interview: Cameron Geddes on Fusion Energy

Modeling And Design Of Compact Beam Transport For Laser-Driven Proton Beams

Illustration of the permanent magnet dipole. The yoke is indicated in red, and the magnets are shown in green. The segmentation is for simulation purposes. Credit: Jared De Chant & Carl A. Williams, Berkeley Lab

Machine Learning Helps Ease the Jitters of High-Power Lasers

(l-r) Researchers Anthony Gonsalves, Alessio Amodio, and Dan Wang at the Lawrence Berkeley National Laboratory align precision optics to prepare the Berkeley Lab Laser Accelerator (BELLA) Petawatt laser for laser-plasma accelerator (LPA) experiments. The machine learning–based control algorithm stabilizes the high-power laser’s pointing at the LPA target.(Credit: Thor Swift/Berkeley Lab).

QSA Drives Breakthroughs with Superconducting Qubits

Cryogenic dilution refrigerator at MIT for superconducting qubits (Credit: Nathan Fiske)

Harnessing Artificial Intelligence for High-Impact Science

An artistic rendition of a data center where the components of a supercomputer are housed. (Credit: jamesteohart, Shutterstock) – ALT: A dark corridor with faint lights glowing from devices on the walls leads to an open doorway glowing bright white.

Seven Ways Berkeley Lab is Pioneering the Quantum Future

ALT: A researcher in a lab crouched below a silver and gold quantum computer. They are making adjustments to the bottom edge.

Using Mesh Refinement To Accurately Simulate Relativistic Magnetic Reconnection In Plasmas

Comparison of temporal evolution of normalized out-of-plane current density obtained from three 2D uniform grid simulations. Credit: Phys. Plasmas 32, 013905 (2025), https://doi.org/10.1063/5.0233583

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