Coherent synthesis of two continuous microwave signals generated by two optical beats

Takeuchi, Daisuke; Chujo, Wataru; Yamamoto, Shinichi; Koyamada, Yahei

doi:10.1587/elex.11.20140209

Cited by 2 publications

References 5 publications

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Synchronization of parallel intense electron beam accelerators based on single trigger generator

Geng

Yang

Shu

et al. 2023

Review of Scientific Instruments

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In this study, the authors provide results of the precisely synchronized triggering of an intense electron beam accelerator (IEBA). The trigger generator was composed of a fractional-turn ratio saturable-pulse transformer and a compact six-stage Marx generator. The main switch of the IEBA was a corona-stabilized triggered switch (CSTS) based on the stabilized corona mechanism. The output voltage of a single IEBA exceeded 500 kV with less than 4 ns of jitter on a 50 Ω dummy load. We also conducted an experiment on the synchronous triggering of two IEBAs by using two independent trigger generators. The synchronization-related jitter was 6.1 ns, while the average time difference was 1.3 ns. We used this to attempt to trigger two parallel IEBAs by using a single trigger generator. The results showed a reduction in the synchronization-related jitter of 31% to 4.2 ns. The designs of the CSTS and the trigger generator guaranteed a precisely synchronous trigger by using a single trigger generator. Thus, the proposed method appears to be promising for accurately and synchronously triggering multiple IEBAs by using a single trigger generator. This provides an effective method to generate pulses with high power.

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Synchronization of parallel intense electron beam accelerators based on single trigger generator

Geng

Yang

Shu

et al. 2023

Review of Scientific Instruments

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Incoherent, spatial power synthesis of two continuous microwave signals generated by two different optical beats

Chujo

2015

2015 Asia-Pacific Microwave Conference (APMC)

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Two continuous microwave signals generated by two different optical beats were incoherently synthesized for the enhancement of the microwave power. The synthesized power of microwave signal generated by two different optical beats was increased by 3 dB compared with that generated by one optical beat. Two microwave signals generated by two different optical beats were also incoherently synthesized spatially using dipole antennas and the microwave power has increased by almost 3 dB. Microwave frequencies of two incoherently synthesized signals generated by two different optical beats agreed with each other with an accuracy of 100 MHz. mw mw Mux1 LD1 1 PD Temperature Controller 1 LD Driver 1 1 1556.71nm 2 1556.66nm

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Coherent synthesis of two continuous microwave signals generated by two optical beats

Cited by 2 publications

References 5 publications

Synchronization of parallel intense electron beam accelerators based on single trigger generator

Synchronization of parallel intense electron beam accelerators based on single trigger generator

Incoherent, spatial power synthesis of two continuous microwave signals generated by two different optical beats

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