History of synchrotron
The history of the synchrotron began with the theoretical prediction of electromagnetic radiation from accelerated charged particles in the late 19th century. Originally developed as tools for high-energy particle physics, synchrotrons evolved into dedicated "light sources" used for multidisciplinary research in biology, chemistry, and materials science.[1]
Theoretical origins and discovery
The theoretical basis for synchrotron radiation was established by Julian Schwinger in 1945, who developed a complete analytical treatment of the radiation emitted by relativistic electrons in circular motion.
The first visual observation of synchrotron radiation occurred on April 24, 1947, at the General Electric Research Laboratory in Schenectady, New York.[1] A technician, Floyd Haber, observed a bright arc of light in a 70 MeV electron synchrotron through a transparent vacuum tube.[2][circular reference]
Generations of synchrotron light sources
Synchrotron facilities are categorized into four generations based on design intent and technical capabilities.[3][circular reference]
| Generation | Period | Primary Design Focus | Typical Brilliance (photons/s/mm²/mrad²/0.1%BW) | Key Technological Driver |
|---|---|---|---|---|
| 1st Generation | 1940s–1970s | Parasitic use of particle physics rings | 1010 – 1012 | Synchrotron magnets |
| 2nd Generation | 1980s–1990s | Dedicated light production | 1013 – 1015 | Storage ring technology |
| 3rd Generation | 1990s–2010s | High-brilliance beams | 1017 – 1020 | Undulators and wigglers |
| 4th Generation | 2016–Present | Diffraction-limited coherence | 1021 – 1023 | Multi-bend achromat (MBA) lattices |
Historical timeline of major facilities
| Year | Facility | Location | Key Milestone |
|---|---|---|---|
| 1947 | General Electric 70 MeV | United States | First visual observation of radiation |
| 1952 | Birmingham Proton Synchrotron | United Kingdom | First proton synchrotron |
| 1954 | Bevatron | United States | Discovered the antiproton (1955) |
| 1968 | Tantalus | United States | First dedicated storage ring light source |
| 1980 | Synchrotron Radiation Source (SRS) | United Kingdom | First dedicated X-ray light source |
| 1994 | European Synchrotron Radiation Facility (ESRF) | France | World's first 3rd-generation source |
| 2016 | MAX IV | Sweden | World's first 4th-generation MBA source |
| 2020 | ESRF-EBS | France | First high-energy 4th-generation upgrade |
Scientific impact
Synchrotron radiation has become a premier tool for structural biology. Notable achievements include research leading to the 2009 Nobel Prize in Chemistry for the structure of the ribosome.[3]
References
- ↑ 1.0 1.1 "History of Synchrotron Radiation Sources". X-Ray Data Booklet. Lawrence Berkeley National Laboratory. Retrieved 2024-05-15.
- ↑ "Synchrotron Radiation". Wikipedia. Retrieved 2024-05-15.
- ↑ 3.0 3.1 "Synchrotron light source". Wikipedia. Retrieved 2024-05-15.
This article "History of synchrotron" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:History of synchrotron. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.
