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| ALS (synchrotron) | |
|---|---|
| Name | Advanced Light Source |
| Caption | Beamline experiment at the Advanced Light Source |
| Established | 1993 |
| Location | Lawrence Berkeley National Laboratory, Berkeley, California |
| Type | Synchrotron light source |
ALS (synchrotron)
The Advanced Light Source at Lawrence Berkeley National Laboratory in Berkeley, California is a third-generation synchrotron radiation facility that provides high-brightness soft x-rays to a diverse user community. It serves researchers from institutions such as University of California, Berkeley, Stanford University, Massachusetts Institute of Technology, Harvard University, and national laboratories including Argonne National Laboratory, Oak Ridge National Laboratory, Brookhaven National Laboratory, and Sandia National Laboratories. The ALS supports studies in condensed matter physics, materials science, chemistry, biology, and energy research, attracting scientists associated with organizations like NASA, National Institutes of Health, National Science Foundation, and Department of Energy.
Construction of the ALS began under the auspices of Lawrence Berkeley National Laboratory with leadership influenced by figures connected to Ernest O. Lawrence and collaborations among institutions such as University of California, Berkeley, Stanford Linear Accelerator Center, and industrial partners like General Electric and IBM. The facility was commissioned during administrations that involved policy decisions by United States Department of Energy and funding from bodies including National Science Foundation and ministries comparable to European Commission programs. Early scientific milestones linked ALS experiments to discoveries paralleling work at European Synchrotron Radiation Facility and DESY. Notable scientific figures and Nobel-associated researchers from Caltech, Columbia University, Princeton University, and Yale University have used ALS beamlines for experiments building on methods developed at Argonne National Laboratory and Brookhaven National Laboratory.
The ALS comprises a storage ring, injector systems, and a network of beamlines housed at Lawrence Berkeley National Laboratory adjacent to University of California, Berkeley facilities. Its lattice design is comparable to third-generation sources like Swiss Light Source and SPring-8, integrating insertion devices such as undulators and wigglers developed from technologies originating at CERN and Fermi National Accelerator Laboratory. Engineering partners and manufacturers including Siemens, Thomson-CSF, and KEK contributed components reflecting standards used at Diamond Light Source and MAX IV. The facility architecture interacts with campus infrastructure overseen by Berkeley Lab governance and planning offices connected to City of Berkeley ordinances and regional agencies.
ALS hosts numerous beamlines; instrumentation includes soft x-ray monochromators, photoemission spectroscopy endstations, coherent scattering setups, and imaging microscopes used by researchers from University of California, San Diego, University of Illinois Urbana-Champaign, University of Michigan, and Cornell University. Beamline development has involved collaborations with groups at Lawrence Livermore National Laboratory, Pacific Northwest National Laboratory, and industrial partners like Agilent Technologies and Thermo Fisher Scientific. Specific techniques implemented reflect heritage from laboratories such as European Synchrotron Radiation Facility beamline designs, employing detectors and optics supplied by companies affiliated with Oxford Instruments and KLA Corporation.
Science at the ALS spans investigations relevant to IBM materials projects, Boeing composites research, Pfizer and Genentech structural biology initiatives, and energy-focused studies tied to Shell and ExxonMobil collaborations. Research topics include electronic structure studies connected to work from Princeton University and Harvard University, catalysis research related to groups at California Institute of Technology and Massachusetts Institute of Technology, and battery materials investigations in concert with Argonne National Laboratory and Oak Ridge National Laboratory. Biological imaging conducted at ALS complements efforts at National Institutes of Health and links to structural biology centers at Cold Spring Harbor Laboratory and Scripps Research.
The ALS underwent a major upgrade initiative known as ALS-U, developed in partnership with stakeholders including Department of Energy, regional elected officials from California State Assembly, and scientific advisory committees drawing members from Stanford University, MIT, Caltech, and University of Chicago. The ALS-U project aimed to implement a new multibend achromat lattice inspired by designs at MAX IV and ESRF upgrade plans. Engineering contracts and technical review panels involved firms and institutions such as CERN consultants, Thomson-CSF, and academic groups from Princeton University and University of Oxford.
ALS operations are managed within Lawrence Berkeley National Laboratory protocols and user access coordinated through peer-reviewed proposal systems similar to programs at Argonne National Laboratory and Brookhaven National Laboratory. The user program engages principal investigators from University of California, Santa Barbara, University of California, Davis, Johns Hopkins University, and international partners at University of Tokyo and University of Cambridge. Training and outreach involve partnerships with organizations like American Physical Society, Materials Research Society, Biophysical Society, and regional educational institutions including Berkeley High School.
Safety and environmental oversight at the ALS follows regulations comparable to standards from Environmental Protection Agency and California Air Resources Board, with occupational safety protocols coordinated with Oak Ridge Institute for Science and Education style programs and institutional safety offices at Lawrence Berkeley National Laboratory. Environmental assessments engage consultants and agencies similar to California Energy Commission reviews, and the facility implements waste management, radiation protection, and sustainability initiatives aligned with policies advocated by National Academy of Sciences and federal guidelines.
Category:Synchrotron light sources Category:Lawrence Berkeley National Laboratory