Erlangen 2018 – wissenschaftliches Programm

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SYPT: Symposium Applications and New Trends of Plasmatechnology – An Overview

SYPT 1: Application and New Trends of Plasmatechnology - Part I

SYPT 1.3: Hauptvortrag

Donnerstag, 8. März 2018, 11:30–12:00, M 00.910

Overview of R&D Activities on Vacuum and Gas Discharges and Their Applications in South Korea — •Sang Hoon Nam — Pohang Accelerator Laboratory 80 Jigokro 127 Beon-gil, Namgu, Pohang, Gyeongbuk 37673, South Korea

The Pohang Accelerator Laboratory (PAL) is operating the Pohang light source II (PLS-II) and the PAL-XFEL. The PLS-II is a 3rd generation synchrotron light source, which was upgraded from the 15 year-old PLS in 2011. It is consisted of a 3 GeV linac and a 3GeV storage ring (SR). The PAL XFEL is a facility to produce 0.1 nm hard x-ray free electron laser with tens of femto-second pulse-width by using a 10 GeV electron linear accelerator. These facilities use many discharge devices, such as electron guns, thyratrons, klystrons, etc. Thus there have been various vacuum and gas discharge related R&D activities in the PAL; such as pseudospark switches, spark gap switches, triggered vacuum switches, thyratron switch auto-ranging system, pseudospark electron beam source, micro-hollow cathode discharge UV source, related pulse power circuits, etc. Historical and current activities on vacuum and gas discharges and their application in the PAL will be emphasized. In addition, related R&D activities in other institutions in South Korea will also be presented and discussed.