Title :
Fast opening diamond switch for high voltage, high average power inductive energy store modulators
Author :
Krishnan, M. ; Xu, X. ; Schein, J. ; Qi, N. ; Prasad, R. ; Gensler, S.
Author_Institution :
Alameda Appl. Sci. Corp., San Leandro, CA, USA
Abstract :
A prototype diamond switch was used to demonstrate an inductive energy store (IES) power amplifier. A /spl sim/100 A/1 /spl mu/s pulse at 500 V was sharpened to a 7 kV/30 ns pulse using a 10 mm dia. A CVD diamond switch with a 3 mm/sup 2/ active area. Controlled turn-off of the diamond switch showed a dR/dt/spl ap/4/spl times/10/sup 11/ /spl Omega//s, when the trigger e-beam was switched off in 10 ns. Intrinsic turn-off times of /spl ap/1 ns appear feasible. A 4 kJ/20 kV/10 Hz rep-rate modular bremsstrahlung simulator is designed based on an array of such diamond switches.
Keywords :
inductive energy storage; modulators; pulse generators; pulsed power supplies; pulsed power switches; switchgear testing; 1 mus; 1 ns; 10 Hz; 10 mm; 100 A; 20 kV; 30 ns; 4 kJ; 500 V; 7 kV; HV high-average power inductive energy store modulators; controlled turn-off; fast opening diamond switch; intrinsic turn-off times; modular bremsstrahlung simulator; power amplifier; repetition rate; trigger e-beam; Circuit simulation; Electron beams; Plasma applications; Plasma simulation; Plasma sources; Prototypes; Pulse amplifiers; Pulse modulation; Switches; Voltage;
Conference_Titel :
Pulsed Power Conference, 1999. Digest of Technical Papers. 12th IEEE International
Conference_Location :
Monterey, CA, USA
Print_ISBN :
0-7803-5498-2
DOI :
10.1109/PPC.1999.823744
