2020
DOI: 10.1038/s41598-020-64426-1
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First demonstration of coherent resonant backward diffraction radiation for a quasi-monochromatic terahertz-light source

Abstract: We proposed coherent resonant backward diffraction radiation (CRBDR), which generates wavelengthtunable quasi-monochromatic lights using a compact diffractor assembly in an accelerator facility of high-energy electron beams, as a unique intense terahertz (THz) light source. Superimposing the coherent backward diffracted radiation emitted by periodically arranged hollow diffractors, it is possible to amplify the frequency components satisfying a resonant condition, and make the radiation monochromatic. We demon… Show more

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Cited by 7 publications
(4 citation statements)
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“…Because the power of the coherent synchrotron radiation was much lower than that of the CER, it was negligible in the measurement of the CER power. The form factor f(ω) was calculated using the Fourier transform of the normalized longitudinal electron distribution S(z) within the bunch 36,37 as follows:…”
Section: Methodsmentioning
confidence: 99%
“…Because the power of the coherent synchrotron radiation was much lower than that of the CER, it was negligible in the measurement of the CER power. The form factor f(ω) was calculated using the Fourier transform of the normalized longitudinal electron distribution S(z) within the bunch 36,37 as follows:…”
Section: Methodsmentioning
confidence: 99%
“…This has unique advantages, such as strong penetrating power, low energy, and good transient performance [ 1 , 2 ], and has broad application prospects in many fields in terms of high-speed wireless communication [ 3 , 4 ], material detection [ 5 ], biomedical research [ 6 , 7 ], and nondestructive evaluation [ 8 ]. In recent years, with the development of technology, breakthroughs have been made in the research of stable broadband terahertz sources [ 9 , 10 ]. Although the research on terahertz devices has received extensive attention, it is difficult for terahertz waves to interact strongly with natural materials, resulting in great resistance to their development [ 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…The development of terahertz waves is seriously hindered by the lack of efficient and stable terahertz sources and high sensitivity terahertz detectors. With the stable pulse terahertz sources are proposed, terahertz waves are regarded as the most breakthrough and challenging emerging technology field [4][5][6]. Owing to its excellent characteristics, terahertz waves are widely used in wireless communications [7,8], biomedicine [9,10], nondestructive testing [11], environmental science [12] and other fields [13].…”
Section: Introductionmentioning
confidence: 99%