# Photon Factory

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Photon_Factory
> Markdown URL: https://mediated.wiki/source/Photon_Factory.md
> Source: https://en.wikipedia.org/wiki/Photon_Factory
> Source revision: 1333203667
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

Synchrotron in Tsukuba, Japan

The **Photon Factory** (PF) is a [synchrotron](/source/Synchrotron) located at [KEK](/source/KEK), in [Tsukuba](/source/Tsukuba), [Japan](/source/Japan), about fifty kilometres from [Tokyo](/source/Tokyo).[1]

## History

The Photon Factory turned on its synchrotron for the first time in 1982, becoming the first light source accelerator in Japan to produce x-rays.[1] In 1997, it joined the Institute of Materials Structure Science (IMSS), a Japanese-run international [particle physics](/source/Particle_physics) organization based at KEK.[2]

The current head of the Photon Factory is N. Igarashi.[3]

## Research and design

There are two major facilities, the Photon Factory itself which is a 2.5GeV synchrotron with a beam current of around 450mA, and the PF-AR 'Advanced Ring for Pulsed X-Rays', which is a 6.5GeV machine running in a single-bunch mode with a beam current of around 60mA. It operates with a [pulse width](/source/Pulse_width) of about 100 [picoseconds](/source/Picosecond).[4]

The Photon Factory's photon accelerator is one of the Institute of Materials Structure Science's four quantum beams used for particle physics research.[1] Its macromolecular crystallography beam is used substantially for Japan's [structural genomics](/source/Structural_genomics) project.[5] More recently, the Photon Factory has partnered with the [Saha Institute](/source/Saha_Institute_of_Nuclear_Physics) and [Jawaharlal Nehru Centre](/source/Jawaharlal_Nehru_Centre_for_Advanced_Scientific_Research) in India to create the Indian Beam, which is open to Indian particle and nuclear physicists to use for experiments in power diffraction, scattering, and reflectivity.[6]

## References

1. ^ [***a***](#cite_ref-:0_1-0) [***b***](#cite_ref-:0_1-1) [***c***](#cite_ref-:0_1-2) ["Photon Factory (PF), KEK"](https://lightsources.org/lightsources-of-the-world/asia-oceania/photon-factory/?amp). *Lightsources.org*. 2017-10-12. Retrieved 2024-12-30.

1. **[^](#cite_ref-2)** ["KEK IMSS | Institute of Materials Structure Science"](https://www2.kek.jp/imss/eng/). *www2.kek.jp*. Retrieved 2024-12-30.

1. **[^](#cite_ref-3)** ["Organization of the Photon Factory | KEK IMSS PF"](https://www2.kek.jp/imss/pf/eng/about/org/). *www2.kek.jp*. Retrieved 2024-12-30.

1. **[^](#cite_ref-4)** ["What is the Photon Factory? | KEK IMSS PF"](https://www2.kek.jp/imss/pf/eng/about/sr/). *www2.kek.jp*. Retrieved 2024-12-30.

1. **[^](#cite_ref-5)** ["Exploration of polymer cononsolvency mechanism through soft X-ray absorption spectroscopy"](https://web.archive.org/web/20241230220008/https://www.kek.jp/en/press/pr202405171000). *KEK｜高エネルギー加速器研究機構*. Archived from [the original](https://www.kek.jp/en/press/pr202405171000) on 2024-12-30. Retrieved 2024-12-30.

1. **[^](#cite_ref-6)** ["Photon Factory, SINP, DAE, GOI"](https://www.saha.ac.in/web/photon-factory-home). *www.saha.ac.in*. Retrieved 2024-12-30.

## External links

- [Photon Factory - KEK IMSS website](https://www2.kek.jp/imss/pf/eng/)

v t e Synchrotron radiation facilities Storage ring Africa African Light Source (AfLS) Americas Sirius CLS ALS APS CAMD CHESS NSLS-II SRC SSRL SURF-III Asia BSRF [zh] HEPS NSRL [zh] HLS [zh] HALS [zh] SSRF Indus 2 ILSF [fa] AichiSR [ja] HiSOR NanoTerasu [ja] Photon Factory Rits SRC SAGA-LS SPring-8 NewSUBARU [ja] UVSOR [ja] SESAME PAL-II [kr] SSLS NSRRC Taiwan Light Source Taiwan Photon Source SPS [ru] Europe CANDLE ASTRID2 ESRF SOLEIL BESSY-II DELTA [de] DESY DESY DORIS-III PETRA-III ELSA [de] KARA MLS [de] DAFNE-Light ELETTRA Solaris SIBIR-2 SKIF [ru] TSRC [ru] VEPP-4 [ru] ALBA MAX IV SLS Diamond Light Source SRS Oceania Australian Synchrotron Free electron laser XFEL SHINE FLASH EuXFEL FERMI SACLA PAL XFEL [kr] SwissFEL LCLS-II others DCLS CLIO FELBE [de] FHI FEL iFEL FELSUT FELIX TARLA Novosibirsk FEL [ru] DFELL ITST JLab Keck FEL Storage ring light sources with electron energy >2.0Gev are highlighted in bold. Closed or decommissioned facilities are marked in italic.

This particle physics–related article is a stub. You can help Wikipedia by adding missing information.

- [v](https://en.wikipedia.org/wiki/Template:Particle-stub)
- [t](/source/Template_talk%3AParticle-stub)
- [e](https://en.wikipedia.org/wiki/Special:EditPage/Template:Particle-stub)

---
Adapted from the Wikipedia article [Photon Factory](https://en.wikipedia.org/wiki/Photon_Factory) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Photon_Factory?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.