Molecular gas spectroscopy using radioacoustic detection and high-power coherent subterahertz radiation sources

2017 ◽  
Vol 331 ◽  
pp. 9-16 ◽  
Author(s):  
M.A. Koshelev ◽  
A.I. Tsvetkov ◽  
M.V. Morozkin ◽  
M.Yu. Glyavin ◽  
M.Yu. Tretyakov
Keyword(s):  
High Power ◽  
Molecular Gas ◽  
Radiation Sources ◽  
Subterahertz Radiation

Radiation of Charge Moving Between Two Planar Periodic Wire Structures

2020 ◽  
Vol 23 (1) ◽  
pp. 66-71
Author(s):  
E. A. Gurnevich ◽  
I. V. Moroz
Keyword(s):  
Angular Distribution ◽  
Charged Particle ◽  
Research And Development ◽  
High Power ◽  
Free Electron ◽  
Radiation Intensity ◽  
Free Electron Lasers ◽  
Radiation Sources ◽  
Power Radiation ◽  
High Power Radiation

The Smith-Purcell radiation of a charged particle moving in a periodic structure is analysed theoretically. The considered structure consists of two planar diffraction gratings with different periods which are formed by parallel conducting wires. The analytical expression for the spectral-angular distribution of radiation is obtained. It is shown that the angular distribution of radiation can be made narrower by using two gratings instead of one, and radiation intensity can be manipulated by parallel relative shift of gratings. The obtained results are of great importance for the research and development of high power radiation sources based on volume free-electron lasers.

Two Ways for High-Power Generation of Subterahertz Radiation by Usage of Strong Relativistic Electron Beams

2015 ◽  
Vol 5 (3) ◽  
pp. 478-485 ◽  
Author(s):  
A. V. Arzhannikov ◽  
Manfred K. A. Thumm ◽  
A. V. Burdakov ◽  
V. S. Burmasov ◽  
N. S. Ginzburg ◽  
...  
Keyword(s):  
Power Generation ◽  
Relativistic Electron ◽  
High Power ◽  
Electron Beams ◽  
Relativistic Electron Beams ◽  
Subterahertz Radiation

scholarly journals A Compact Accelerator-Based Light Source for High-Power, Full-Bandwidth Tunable Coherent THz Generation

2021 ◽  
Vol 11 (24) ◽  
pp. 11850
Author(s):  
Kaiqing Zhang ◽  
Yin Kang ◽  
Tao Liu ◽  
Zhen Wang ◽  
Chao Feng ◽  
...  
Keyword(s):  
Light Source ◽  
High Power ◽  
Pulse Energy ◽  
Three Dimensional ◽  
Thz Radiation ◽  
Time Resolved ◽  
Narrow Bandwidth ◽  
Radiation Sources ◽  
High Pulse ◽  
Tunable Frequency

Terahertz (THz) radiation sources are increasingly significant for many scientific frontiers, while the generation of THz radiation with high-power at wide-tunable frequencies is still a limitation for most existing methods. In this paper, a compact accelerator-based light source is proposed to produce coherent THz radiation with high pulse energy and tunable frequency from 0.1 THz to 60 THz. By using a frequency beating laser-modulated electron beam and undulator taper, intense coherent THz radiation can be generated through undulators. Theoretical analysis and numerical simulations demonstrate that the proposed technique can generate narrow-bandwidth THz radiation with a pulse energy up to 6.3 millijoule (mJ) and the three-dimensional effects of beam has limited influence on its performance. The proposed technique will open up new opportunities for THz spectroscopic and time-resolved experiments.

HIGH POWER SUBMILLIMETER WAVE RADIATION SOURCES – GYROTRON FU SERIES

2005 ◽  
pp. 105-109
Author(s):  
T. Idehara ◽  
I. Ogawa ◽  
S. Mitsudo ◽  
O. Watanabe ◽  
M. Kamada ◽  
...  
Keyword(s):  
High Power ◽  
Submillimeter Wave ◽  
Wave Radiation ◽  
Radiation Sources

scholarly journals Advanced Capabilities for Future Light Sources

1998 ◽  
Vol 5 (3) ◽  
pp. 202-207 ◽  
Author(s):  
Kwang-Je Kim
Keyword(s):  
Synchrotron Radiation ◽  
Photon Energy ◽  
High Power ◽  
Particle Interaction ◽  
Light Sources ◽  
Current Generation ◽  
Comprehensive Review ◽  
Radiation Sources ◽  
New Ideas ◽  
Electron Storage Rings

Methods to extend the capabilities of light sources beyond those available at the current generation synchrotron radiation sources based on undulators in electron storage rings are discussed. Taking advantage of the radiation–particle interaction and/or the availability of high-power ultrashort optical lasers, it is possible to develop sources with higher brightness, smaller temporal resolution, or higher photon energy. This paper is a summary of some of these schemes, with an emphasis on new ideas rather than on a comprehensive review.

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