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Annual Report 2018/ Institute for Pulsed Power and Microwave Technology / Institut für Hochleistungsimpuls- und Mikrowellentechnik. (KIT Scientific Reports ; 7758)
Das Institut für Hochleistungsimpuls- und Mikrowellentechnik (IHM) forscht auf den Gebieten der gepulsten Leistung und der Hochleistungsmikrowellentechnologie. Die Anwendungen für Impulsstromtechnologien reichen von der Materialbearbeitung bis zur Bioelektrik. Hochleistungsmikrowellentechnologien konzentrieren sich auf HF-Quellen (Gyrotrons) für die Elektronenzyklotronresonanzheizung von magnetisch eingeschlossenen Plasmen und auf Anwendungen für die Materialbearbeitung bei Mikrowellenfrequenzen. - The Institute for Pulsed Power and Microwave Technology (IHM) is doing research in the areas of pulsed power and high-power microwave technologies. Applications for pulsed power technologies are ranging from materials processing to bioelectrics. High power microwave technologies are focusing on RF sources (gyrotrons) for electron cyclotron resonance heating of magnetically confined plasmas and on applications for materials processing at microwave frequencies.
Automated Mode Recovery and Electronic Stability Control for Wendelstein 7-X Gyrotrons
Magnetic confinement fusion relies on plasma heating and plasma control using gyrotron oscillators providing at megawatt power levels. The operational reliability decreases when operating at the performance limits due to increasing parasitic mode activity. This work demonstrates for the first time the automated, fast recovery of nominal gyrotron operation during a pulse by exploiting the hysteretic gyrotron behaviour after a mode switch being in use at the Wendelstein 7-X ECRH facility.
The Polaroid Project
In 1943 the American inventor and scientist Edwin H. Land was asked by his daughter why she couldn't see immediately the photograph he had just taken. Within an hour, Land had conceived of the technology required to make this seemingly impossible demand a reality. So begins the story of Polaroid instant photography, an invention that revolutionized the taking and making of pictures. But Land's creation was more than a groundbreaking scientific accomplishment; it also heralded an exciting new chapter of artistic expression. Through the efforts of thousands of photographers the world over, as well as the corporation's own artist support programme, which provided many with materials, Polaroid w...
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