Photos at KEK Electron/Positron Injector Linac

Photos at KEK Electron/Positron Injector Linac

[2021] [2020] [2019] [2017] [2015] [2014] [2013] [Earthquake] [Old] [Bottom]

Photos in 2021: New accelerating structure at #44 (f); New accelerating structure at #44 (f)
Photos in 2020: Pulsed power supplies for magnets (f)
Photos in 2019: Girder support for magnets and accelerating structures (f); Head of flux concentrator to capture positrons (f); Pulsed quads and pulsed steerings (f); Series of 100 positron capturing quads (f)
Photos in 2017: Linac at sectors 4 and 5 with blue pulsed magnets (t); Alignment work for pulsed magnets (f); Close-up of a pulsed magnet (f); The cutdisk structure for the secondary RF-gun (f)
Photos in 2015: Positron generator with surrounding radiation shield (t); The upper-level thermionic gun and the lower-level RF gun (f); The upper-level thermionic gun and the lower-level RF gun (f); A typical linac acceleration section in the sector B (f); A photo cathode made of iridium cerium alloy (f); J-ARC, 180-degree bending section (f); A typical linac acceleration section in the sector 4 (f); Construction of double decker electron guns (f); Beam switching yard at the end of linac (f)
Photos in 2014: Quasi-travelling wave side-couple cavity for high-current RF gun (f); RF gun test stand with disk-and-washer cavity (t); Flux concentrator and following solenoids at positron generator (k); High-power positron generator (f); Large aperture s-band accelerating structure (f)
Photos in 2013: Wave guides and beam wire scanners (f); Frequency doublers for high power laser (f); Construction of the positron capture section with a crab crane (f); High power klystron with SLED and klystron gallery
Photos just after earthquake at March 2011: An example of damaged quadrupole magnets and vacuum pipes; Another example of damaged quadrupole magnets and girders; An example of distorted girders; An example of damaged bellows
Old photos: Old photos around 1980; Very old photos since 1978

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Copyright - (t): n.toge(c), (k): t.kamitani(c), (f): k.furukawa(c)

<kazuro.furukawa@kek.jp>, Feb.2.2015 - Aug.19.2022.
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