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Summary form only given as follows. The JINR-IAP FEM-oscillator was elaborated during the last few years based on 0.8 MeV/200 A/250 ns linac LIU-3000 (JINR, Dubna). This 30-GHz FEM generates currently 20 MW/200 ns pulses with spectrum width of ~6 MHz and repetition rate of up to 1 Hz. The high efficiency and stability of the FEM was achieved by using reversed guide magnetic field regime and advanced...
A 30 GHz commutator aimed to switch phase of 0.1-1 mks, 1-100 MW microwaves in pulse compression systems like SLED is suggested. The commutator in a form of circular (100 mm) Si-disk put on a surface of copper mirror is based on creation of thin photoconductive layer in high purity low-loss silicon. The photoconductivity is caused by means of Ti:Sa laser radiation (1-10 mJ, 0.1 ps) with wavelength...
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