Title :
Photoconductive impulse generation and radiation
Author :
Kim, A. ; Youmans, Robert J. ; Zeto, R. ; Weiner, Maurice ; Fishback, J. ; Tsinetakes, John ; Lalevic, B.
Author_Institution :
US Army LABCOM, Fort Monmouth, NJ, USA
fDate :
12/1/1991 12:00:00 AM
Abstract :
The generation of extremely narrow, high peak power pulses using an optically activated impulse generator is described. Radiative measurements at 1 Hz PRF have been conducted at pulse bias levels up to 15 kV, using an optical pulse from a Nd:YAG laser to trigger the device. The measured pulse from a wideband antenna has a pulsewidth of 1.5 ns with a risetime of 900 ps. The frequency spectrum of this radiated waveform ranged from 50 MHz to 1 GHz
Keywords :
photoconducting devices; pulse generators; semiconductor switches; 1.5 ns; 15 kV; 50 MHz to 1 GHz; 900 ps; GaAs photoconductive switch; Nd:YAG laser; high peak power pulses; laser pulse triggering; optically activated impulse generator; photoconductive impulse generation; pulse bias levels; radial transmission line; radiation; Antenna measurements; Broadband antennas; Optical pulse generation; Optical pulses; Photoconductivity; Power generation; Pulse generation; Pulse measurements; Space vector pulse width modulation; Ultraviolet sources;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
