U.S. Scientists Develop Method That Shrinks X-Ray Lasers By Accelerating Electrons 1,000 Times Faster

Written by Fabio Lucas Carvalho

Published on 30/07/2025 at 19:36

Updated on 30/07/2025 at 19:37

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A New Advancement In The United States Promises To Transform The Enormous And Complex X-Ray Lasers Into Much Smaller Equipment. Scientists Have Managed To Accelerate Electrons 1,000 Times Faster Than Normal, Using An Innovative Technique That Could Bring This Technology To Laboratories And Research Centers Around The World.

Researchers From The Lawrence Berkeley National Laboratory In The United States Have Demonstrated A New Method For Generating Electron Beams. This Process Is Essential For The Operation Of X-Ray Lasers. The Most Important Thing Is That The Technique Drastically Reduces The Size Of The Equipment.

The Work Uses Compact Laser Plasma Accelerators, Known As LPAs. These Devices Can Accelerate Electrons By Up To 1,000 Times Compared To Conventional Accelerators.

This Means That A Structure That Previously Required Kilometers, Can Now Fit Into Just A Few Meters.

ARTICLE CONTINUES BELOW

More Power In Less Space

XFELs Are Valuable Tools In Science. They Allow Researchers To Investigate The Structure Of Matter At Atomic Levels.

They Are Used In Fields Such As Biology, Physics, Medicine, And Materials Engineering.

The Problem Has Always Been The Size. These Giant Facilities Only Exist In A Few Places Around The World Due To Cost And The Need For Large Spaces.

Therefore, The New Approach From Berkeley Lab Could Change This Scenario. Using The Berkeley Lab Laser Accelerator (BELLA), The Scientists Created A High-Quality Electron Beam Using Just A Laser Beam.

This Laser Generates Density Waves Within A Plasma, Accelerating The Electrons Without The Need For Traditional Structures Based On Radiofrequency.

“We Are Applying Our Long Experience With Plasma Accelerators To Shrink The XFELs,” Explained Researcher Sam Barber, The Study’s Lead Author.

Consistent Results In Several Campaigns

Reliability Was Another Highlight Of The Study. According To Barber, The Tests Showed Positive Results In Dozens Of Experimental Campaigns. This Demonstrates That The Technique Is Robust And Repeatable.

The LPAs Used Achieved Acceleration Gradients Of Up To 100 Gigavolts Per Meter. For Comparison, Conventional Accelerators Only Reach 50 Megavolts Per Meter. This Difference Allows Electrons To Gain Speed Much Faster, Drastically Reducing The Size Of The Required Equipment.

“It’s A Great Result,” Said Barber. “The FEL Gain Of Two To Three Orders Of Magnitude Shows We Are On The Right Track.”

Partnership With The Private Sector And New Uses

The Research Was Supported By TAU Systems Inc., Which Helped Connect The Beams Generated In The Plasma To The Undulators. These Undulators Are The Devices That Generate The X-Rays Themselves.

For Stephen Milton, Chief Scientist At TAU Systems, The Project Represents A Paradigm Shift. “These FEL Results Confirm The Premise That The LPA Has Opened A Revolutionary Change In The Way We View Accelerators,” He Commented.

In Addition To Allowing New Compact Installations, This Technology Can Also Be Used To Enhance Existing XFELs.

The Most Important Thing Is That It Can Improve The Performance Of Current Systems By Adding More Powerful Electron Beams.

Promising Applications In Several Areas

With The Possibility Of Reducing Size And Cost, Compact XFELs Can Be Used In Locations That Previously Did Not Have Access To This Technology. This Includes Direct Use In University Laboratories, Research Centers, And Even Medical Facilities.

Applications Include Analyzing Complex Proteins In Biology, Studying Nanostructures In New Materials, And Even Producing Semiconductor Chips With Greater Precision.

Carl Schroeder, A Scientist At The BELLA Center, Believes This Advancement Goes Beyond Current Applications. “The Development Of Free Electron Lasers Based On LPA Is A Springboard For Other Applications, Such As Linear Accelerators For High-Energy Physics,” He Stated.

Thus, The Berkeley Lab Project Not Only Shortens Physical Distances But Also Opens Pathways For New Scientific Discoveries Across Various Fields.

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U.S. Scientists Develop Method That Shrinks X-Ray Lasers By Accelerating Electrons 1,000 Times Faster

More Power In Less Space

Consistent Results In Several Campaigns

Partnership With The Private Sector And New Uses

Promising Applications In Several Areas

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U.S. Scientists Develop Method That Shrinks X-Ray Lasers By Accelerating Electrons 1,000 Times Faster

More Power In Less Space

Consistent Results In Several Campaigns

Partnership With The Private Sector And New Uses

Promising Applications In Several Areas

Seen from space, an image taken by an astronaut shows an unlikely oasis in the Saudi Arabian desert, protected by a terrain that slows the advance of sand, surrounded by green circles, remnants of an extinct lake and nearly 10,000 years of preserved history.

While the U.S. still faces limitations in deep space, China is developing unprecedented technology with strategic satellites that maintain communication with the far side of the Moon and aims for dominance by 2030.

In Botswana, a salt flat of up to 16,000 km² that was once an African megalake spends months as an absolute white desert, but during the rainy season it transforms into a shallow sea that reappears from nowhere and can be seen from space in the middle of southern Africa.

The Blood Falls of Antarctica hide a living ecosystem trapped under the ice for over 2 million years, where microbes survive without light, without oxygen, and without ever having seen the Sun.

Bavarian archaeologists unearthed a medieval skeleton that had an articulated iron hand in place of its left arm, and the discovery reveals that doctors were already creating sophisticated prosthetics over 500 years ago.

The CEO of Honor in Spain says that smartphones will change with AI, foldables, and even robot phones; the component crisis is making cheap models more expensive in 2026 and shifting the focus to premium.

While up to 90% of cocoa is still wasted, a company from Minas Gerais invests in science to transform shells, pulp, and film into new foods in Brazil.

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