Koyama T - Search Results

1

High-fluence and high-gain multilayer focusing optics to enhance spatial resolution in femtosecond X-ray laser imaging.

Yumoto H, Koyama T, Suzuki A, Joti Y, Niida Y, Tono K, Bessho Y, Yabashi M, Nishino Y, Ohashi H. Yumoto H, et al. Among authors: koyama t. Nat Commun. 2022 Sep 13;13(1):5300. doi: 10.1038/s41467-022-33014-4. Nat Commun. 2022. PMID: 36100607 Free PMC article.

2

Investigation of ablation thresholds of optical materials using 1-µm-focusing beam at hard X-ray free electron laser.

Koyama T, Yumoto H, Senba Y, Tono K, Sato T, Togashi T, Inubushi Y, Katayama T, Kim J, Matsuyama S, Mimura H, Yabashi M, Yamauchi K, Ohashi H, Ishikawa T. Koyama T, et al. Opt Express. 2013 Jul 1;21(13):15382-8. doi: 10.1364/OE.21.015382. Opt Express. 2013. PMID: 23842324 Free article.

3

Generation of 10(20) W cm(-2) hard X-ray laser pulses with two-stage reflective focusing system.

Mimura H, Yumoto H, Matsuyama S, Koyama T, Tono K, Inubushi Y, Togashi T, Sato T, Kim J, Fukui R, Sano Y, Yabashi M, Ohashi H, Ishikawa T, Yamauchi K. Mimura H, et al. Among authors: koyama t. Nat Commun. 2014 Apr 30;5:3539. doi: 10.1038/ncomms4539. Nat Commun. 2014. PMID: 24781443 Free article.

4

Nanofocusing of X-ray free-electron lasers by grazing-incidence reflective optics.

Yamauchi K, Yabashi M, Ohashi H, Koyama T, Ishikawa T. Yamauchi K, et al. Among authors: koyama t. J Synchrotron Radiat. 2015 May;22(3):592-8. doi: 10.1107/S1600577515005093. Epub 2015 Apr 15. J Synchrotron Radiat. 2015. PMID: 25931073 Free PMC article.

5

Damage threshold of platinum/carbon multilayers under hard X-ray free-electron laser irradiation.

Kim J, Nagahira A, Koyama T, Matsuyama S, Sano Y, Yabashi M, Ohashi H, Ishikawa T, Yamauchi K. Kim J, et al. Among authors: koyama t. Opt Express. 2015 Nov 2;23(22):29032-7. doi: 10.1364/OE.23.029032. Opt Express. 2015. PMID: 26561172 Free article.

6

Damage threshold of coating materials on x-ray mirror for x-ray free electron laser.

Koyama T, Yumoto H, Miura T, Tono K, Togashi T, Inubushi Y, Katayama T, Kim J, Matsuyama S, Yabashi M, Yamauchi K, Ohashi H. Koyama T, et al. Rev Sci Instrum. 2016 May;87(5):051801. doi: 10.1063/1.4950723. Rev Sci Instrum. 2016. PMID: 27250368

7

Stitching interferometry for ellipsoidal x-ray mirrors.

Yumoto H, Koyama T, Matsuyama S, Yamauchi K, Ohashi H. Yumoto H, et al. Among authors: koyama t. Rev Sci Instrum. 2016 May;87(5):051905. doi: 10.1063/1.4950714. Rev Sci Instrum. 2016. PMID: 27250377

8

Dynamic fracture of tantalum under extreme tensile stress.

Albertazzi B, Ozaki N, Zhakhovsky V, Faenov A, Habara H, Harmand M, Hartley N, Ilnitsky D, Inogamov N, Inubushi Y, Ishikawa T, Katayama T, Koyama T, Koenig M, Krygier A, Matsuoka T, Matsuyama S, McBride E, Migdal KP, Morard G, Ohashi H, Okuchi T, Pikuz T, Purevjav N, Sakata O, Sano Y, Sato T, Sekine T, Seto Y, Takahashi K, Tanaka K, Tange Y, Togashi T, Tono K, Umeda Y, Vinci T, Yabashi M, Yabuuchi T, Yamauchi K, Yumoto H, Kodama R. Albertazzi B, et al. Among authors: koyama t. Sci Adv. 2017 Jun 2;3(6):e1602705. doi: 10.1126/sciadv.1602705. eCollection 2017 Jun. Sci Adv. 2017. PMID: 28630909 Free PMC article.

9

Ellipsoidal mirror for two-dimensional 100-nm focusing in hard X-ray region.

Yumoto H, Koyama T, Matsuyama S, Kohmura Y, Yamauchi K, Ishikawa T, Ohashi H. Yumoto H, et al. Among authors: koyama t. Sci Rep. 2017 Nov 27;7(1):16408. doi: 10.1038/s41598-017-16468-1. Sci Rep. 2017. PMID: 29180654 Free PMC article.

10

A soft X-ray free-electron laser beamline at SACLA: the light source, photon beamline and experimental station.

Owada S, Togawa K, Inagaki T, Hara T, Tanaka T, Joti Y, Koyama T, Nakajima K, Ohashi H, Senba Y, Togashi T, Tono K, Yamaga M, Yumoto H, Yabashi M, Tanaka H, Ishikawa T. Owada S, et al. Among authors: koyama t. J Synchrotron Radiat. 2018 Jan 1;25(Pt 1):282-288. doi: 10.1107/S1600577517015685. Epub 2018 Jan 1. J Synchrotron Radiat. 2018. PMID: 29271777 Free PMC article.

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