New report: US has lost dominance in highly intense, ultrafast laser technology to Europe and Asia

December 06, 2017

WASHINGTON - The U.S. is losing ground in a second laser revolution of highly intense, ultrafast lasers that have broad applications in manufacturing, medicine, and national security, says a new report from the National Academies of Sciences, Engineering, and Medicine. Currently, 80 percent to 90 percent of the high-intensity laser systems are overseas, and all of the highest power research lasers currently in construction or already built are overseas as well. The report makes five recommendations that would improve the nation's position in the field, including for the U.S. Department of Energy (DOE) to create a broad network to support science, applications, and technology of these lasers, as well as for DOE to plan for at least one large-scale, open-access high-intensity laser facility that leverages other major science infrastructures in the DOE complex.

The report focuses on highly intense pulsed petawatt-class lasers (1 petawatt is equal to 1 million billion watts) that deliver nearly 100 times the total world's energy consumption rate concentrated into a pulse that lasts less than one picosecond, or one-trillionth of a second. To illustrate the timescale, a picosecond is to one second as one second is to more than 31,000 years. Such laser sources create conditions that can accelerate and collide intense beams of elementary particles, drive nuclear reactions, heat matter to conditions found in stars, or even create matter out of the empty vacuum. These powerful lasers originated in the U.S.; however, research-funding agencies in Europe and Asia began in the last decade to invest heavily in new collaborations and facilities that will employ these high-intensity lasers for broad areas of science.

The committee that carried out the study and wrote the report concluded that intense, ultrafast lasers have broad applicability beyond science to nuclear weapons stockpile stewardship, industry, and medicine. The main application of high-intensity lasers to the science of DOE's Stockpile Stewardship Program is to produce bright, penetrating, high-energy X-rays for radiography of high-energy matter. These lasers can deposit a large amount of energy on a picosecond timescale, and this makes them a unique tool to probe inertially-confined nuclear fusion experiments and high-energy-density physics occurring on a much longer time scale. In manufacturing, high-intensity lasers can be used for precision cutting, mainly due to minimal heat transfer to the materials, resulting in negligible collateral damage. This can also allow for the ability to drill clean, small, deep holes in materials without damaging the surrounding material. For instance, the technology is now commonly used in the medical industry for fabricating high-quality surgical stents that need micron size features, such as 1 micron diameter holes with large lengths. Ultrahigh intensity lasers also show promise for both medical imaging and as the source of intense particle beams for cancer therapies.

The committee also concluded that high-intensity lasers enable a significant and important body of science, which has a large and talented technical community already, but it is fragmented across different disciplines. Coordination between industry and government is limited and often inadequate, the committee said. Scientists and engineers trained in intense, ultrafast lasers contribute to the workforce for applications in photonics and optics, including high-energy lasers for defense and stockpile stewardship. Therefore, the committee recommended that DOE create a broad national network -- that includes universities, industry, and government laboratories, in coordination with the Office of Science and Technology Policy, the research arms of the Department of Defense, National Science Foundation, and other federal research organizations -- as the cornerstone of a national strategy to support science, applications, and technology of intense and ultrafast lasers.

No single federal agency currently acts as the steward for high-intensity laser-based research, nor does cross-agency stewardship exist in the U.S. Programs are carried out under sponsorship of several different federal agencies according to their various missions and without the overall coordination that exists in Europe. To increase integration and coordination in this field, the committee recommended that research agencies -- including the U.S. Department of Defense, DOE, National Science Foundation, and others -- engage the scientific stakeholders within the network to define what facilities and laser parameters will best serve research needs, emphasizing parameters beyond the current state of the art in areas critical to frontier science, such as peak power, repetition rate, pulse duration, wavelength, and focusable intensity.

The committee also called for the DOE to lead the development of a comprehensive, interagency national strategy for high-intensity lasers that includes a program for both developing and operating large-scale laboratory projects; midscale projects such as those hosted at universities; and a technology development program with technology transfer among universities, U.S. industry, and national laboratories.

Co-location of high-intensity lasers with existing infrastructure, such as particle accelerators, has been recognized as a key advantage of the U.S. laboratories over the Extreme Light Infrastructure concept in Europe. Based on this, the committee recommended that the DOE plan for at least one large-scale, open-access, high-intensity laser facility that leverages other major science infrastructure in the DOE complex. Furthermore, cooperation among universities, laboratories, and industry is necessary to retain and renew the talent base, and cooperation among these sectors in the past has proved essential. The current situation could be improved to develop a robust national talent pool and a strong technology base for this fast growing area. The committee's final recommendation called for agencies to create programs for U.S. scientists and engineers that include midscale infrastructure, project operations in high-intensity laser science in the United States, development of key underpinning technologies, and engagement in research at international facilities, such as Europe's Extreme Light Infrastructure.
The study was sponsored by the U.S. Department of Energy Office of Science, Office of Naval Research, and Air Force Office of Scientific Research. The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide independent, objective analysis and advice to the nation to solve complex problems and inform public policy decisions related to science, technology, and medicine. The National Academies operate under an 1863 congressional charter to the National Academy of Sciences, signed by President Lincoln. For more information, visit A roster follows.

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Jennifer Walsh, Director of Media Relations
Andrew Robinson, Media Relations Assistant
Office of News and Public Information
202-334-2138; e-mail

Copies of Opportunities in Intense Ultrafast Lasers: Reaching for the Brightest Light are available from the National Academies Press at or by calling 1-800-624-6242. Reporters may obtain a copy from the Office of News and Public Information (contacts listed above).


Division on Engineering and Physical Sciences
Board on Physics and Astronomy

Committee on Opportunities in the Science, Applications, and Technology of Intense Ultrafast Lasers

Philip H. Bucksbaum1 (chair)
Marguerite Blake Wilbur Chair in Natural Science and Professor of Photon Science, Applied Physics, and Physics, and
Director, Stanford PULSE Institute
Stanford University
Stanford, Calif.

Riccardo Betti
Professor of Physics and Mechanical Engineering, and
Assistant Director
Academic Affairs for the Laboratory for Laser Energetics
University of Rochester
Rochester, N.Y.

John L. Collier
Central Laser Facility
Rutherford Appleton Laboratory
Oxfordshire, U.K.

Louis F. DiMauro
Edward E. and Sylvia Hagenlocker Chair of Physics
Department of Physics
Ohio State University

Elsa M. Garmire2
Sydney E. Junkins 1887 Professor of Engineering Emerita
Thayer School of Engineering
Dartmouth College
Hanover, N.H.

Jacqueline G. Gish2
Director of Advanced Technology (retired)
Northrop Grumman Aerospace Systems
Falls Church, Va.

Thornton E. Glover
Program Officer, Science
Gordon and Betty Moore Foundation
Oakland, Calif.

Marshall G. Jones2
Coolidge Fellow
General Electric Global Research
Niskayuna, N.Y.

Henry C. Kapteyn1
Professor and Fellow
Department of Physics and JILA
University of Colorado

Andrew J. Lankford
Professor of Physics and Chair
Department of Physics and Astronomy
University of California

Howard M. Milchberg
Assistant Professor
Department of Electrical Engineering
University of Maryland
College Park

Steven V. Milton
Professor of Electrical and Computer Engineering
Los Alamos National Laboratory
Los Alamos, N.M.

Peter F. Moulton2
Senior Staff
Massachusetts Institute of Technology Lincoln Laboratory

C. Kumar Patel1, 2, *
President and CEO
Pranalytica Inc.
Santa Monica, Calif.


David B. Lang
Study Director

1Member, National Academy of Sciences

2Member, National Academy of Engineering


National Academies of Sciences, Engineering, and Medicine

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