Sei N - Search Results

1

Temporal evolution of electron-bunch length in macropulse of resonator-type free-electron lasers.

Sei N, Zen H, Ohgaki H, Hajima R. Sei N, et al. iScience. 2024 Nov 16;27(12):111402. doi: 10.1016/j.isci.2024.111402. eCollection 2024 Dec 20. iScience. 2024. PMID: 39687024 Free PMC article.

2

Secular trends in blood pressure among university students in Japan over the last two decades.

Adachi K, Azegami T, Sei N, Yamada-Goto N, Uchida K, Murai-Takeda A, Inokuchi M, Hayashi K, Mori M, Hirose H. Adachi K, et al. Among authors: sei n. Hypertens Res. 2024 Oct 21. doi: 10.1038/s41440-024-01955-6. Online ahead of print. Hypertens Res. 2024. PMID: 39433969

3

Observation of terahertz coherent edge radiation amplified by infrared free-electron laser oscillations.

Sei N, Sakai T, Hayakawa Y, Sumitomo Y, Nogami K, Tanaka T, Hayakawa K. Sei N, et al. Sci Rep. 2021 Feb 9;11(1):3433. doi: 10.1038/s41598-021-82898-7. Sci Rep. 2021. PMID: 33564006 Free PMC article.

4

First demonstration of coherent resonant backward diffraction radiation for a quasi-monochromatic terahertz-light source.

Sei N, Takahashi T. Sei N, et al. Sci Rep. 2020 May 5;10(1):7526. doi: 10.1038/s41598-020-64426-1. Sci Rep. 2020. PMID: 32371899 Free PMC article.

5

Switching of the harmonic order in free-electron lasers by controlling the density modulation of an electron bunch.

Sei N, Ogawa H, Jia Q. Sei N, et al. J Synchrotron Radiat. 2018 Sep 1;25(Pt 5):1317-1322. doi: 10.1107/S1600577518008937. Epub 2018 Aug 3. J Synchrotron Radiat. 2018. PMID: 30179169 Free PMC article.

6

First demonstration of coherent Cherenkov radiation matched to circular plane wave.

Sei N, Takahashi T. Sei N, et al. Sci Rep. 2017 Dec 12;7(1):17440. doi: 10.1038/s41598-017-17822-z. Sci Rep. 2017. PMID: 29234106 Free PMC article.

7

Electron-bunch lengthening on higher-harmonic oscillations in storage-ring free-electron lasers.

Sei N, Ogawa H, Okuda S. Sei N, et al. J Synchrotron Radiat. 2017 Sep 1;24(Pt 5):912-918. doi: 10.1107/S160057751700916X. Epub 2017 Aug 7. J Synchrotron Radiat. 2017. PMID: 28862612 Free PMC article.

8

Spectral modulation of higher harmonic spontaneous emission from an optical klystron.

Sei N, Ogawa H, Yamada K, Koike M, Ohgaki H. Sei N, et al. J Synchrotron Radiat. 2014 Jul;21(Pt 4):654-61. doi: 10.1107/S160057751400678X. Epub 2014 May 10. J Synchrotron Radiat. 2014. PMID: 24971958

9

Operation of higher harmonic oscillations in free-electron lasers.

Sei N, Ogawa H, Yamada K. Sei N, et al. Opt Express. 2012 Jan 2;20(1):308-16. doi: 10.1364/OE.20.000308. Opt Express. 2012. PMID: 22274354 Free article.

10

Lasing of middle-infrared free-election lasers using the storage ring NIJI-IV.

Sei N, Ogawa H, Yamada K. Sei N, et al. Opt Lett. 2011 Sep 15;36(18):3645-7. doi: 10.1364/OL.36.003645. Opt Lett. 2011. PMID: 21931419

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