Rujin Deng
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View article: White-light spiral phase contrast imaging
White-light spiral phase contrast imaging Open
Spiral vortex phases have been widely used for phase contrast imaging, where, however, monochromatic coherent light sources were employed. Here, a white-light spiral phase contrast (SPC) microscopy is established by taking advantage of the…
View article: Design of a high-efficiency S-band relativistic klystron oscillator under a low guiding magnetic field
Design of a high-efficiency S-band relativistic klystron oscillator under a low guiding magnetic field Open
A high-efficiency S-band relativistic klystron oscillator (RKO) under a low guiding magnetic field is proposed and investigated in detail in this paper. Two-stage segmented modulation is introduced to compensate for the poor coherence of t…
View article: Design of an X-band high-efficiency coaxial relativistic klystron oscillator packaged with permanent magnet
Design of an X-band high-efficiency coaxial relativistic klystron oscillator packaged with permanent magnet Open
An X-band high-power microwave (HPM) oscillator packaged with permanent magnets is proposed. The oscillator employs a radially non-uniform modulation cavity structure to enhance the modulation depth of the electron beam, thereby improving …
View article: Improved Power Capacity in a Low-Magnetic Field and High-Efficiency Transit-Time Oscillator by a Double-Gap Extractor
Improved Power Capacity in a Low-Magnetic Field and High-Efficiency Transit-Time Oscillator by a Double-Gap Extractor Open
With an increase in the input power of a low-magnetic field and high-efficiency transit-time oscillator, the deceleration electric field in the single-gap extractor increases sharply to output a higher-power microwave, resulting in radio f…
View article: Research on coaxial transit time oscillator with low magnetic field and high efficiency
Research on coaxial transit time oscillator with low magnetic field and high efficiency Open
An improved X-band coaxial transit time oscillator is proposed in this paper. First, the device uses a non-uniform three-gap modulation cavity to improve the clustering of electron beams under a low magnetic field and to increase the depth…
View article: A two-buncher high-efficiency transit-time oscillator with a low guiding magnetic field
A two-buncher high-efficiency transit-time oscillator with a low guiding magnetic field Open
The energy consumption of high-power microwave sources has attracted much attention in the research field of high-power microwaves. One way of decreasing the energy consumption is to reduce the guiding magnetic field. In this work, a high-…
View article: Storage Rings and Gravitational Waves: Summary and Outlook
Storage Rings and Gravitational Waves: Summary and Outlook Open
We report some highlights from the ARIES APEC workshop on ``Storage Rings and Gravitational Waves'' (SRGW2021), held in virtual space from 2 February to 18 March 2021, and sketch a tentative landscape for using accelerators and associated …