[8p-E206-1~17] 7.1 X-ray technologies | The 87th JSAP Autumn Meeting 2026

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Oral presentation7 Beam Technology and Nanofabrication : 7.1 X-ray technologies

[8p-E206-1~17]7.1 X-ray technologies

Tue. Sep 8, 2026 1:30 PM - 6:15 PM JST
Tue. Sep 8, 2026 4:30 AM - 9:15 AM UTC

E206 (First Year Education Bld. E Block)

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[8p-E206-1]Laminar-type W/B₄C graded refractive index multilayer grating exhibiting high diffraction efficiency and high spectral flux in the 300–1100 eV region

〇Masato Koike^1,2,3, Tadashi Hatano^2,4, Alexander Pirozhkov¹, Takanori Murano^3,5, Shogo Koshiya⁵, Masami Terauchi⁶ (1.KPSI, QST, 2.IMRAM, Tohoku Univ., 3.Dept. of Eng., OMU, 4.SRIS, Tohoku Univ., 5.SABU, JEOL, 6.TCMC, Tohoku Univ.)

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[8p-E206-2]Phase matching in the layer-by-layer design method for extreme-ultraviolet multilayer mirrors

〇Takeo Ejima¹ (1.Tohoku Univ., SRIS)

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[8p-E206-3]Wavefront Aberration Correction via Layer-by-Layer Etching of Schwarzschild Mirrors for EUV Microscopy

〇Ryohei Shibata¹, Deguchi Yuichiro¹, Shun Uji¹, Yuta Fujisawa¹, Takao Tanabe¹, Mitsunori Toyoda¹ (1.Tokyo Polytechnic Univ.)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[8p-E206-4]High Reflectivity Mo/Si Multilayer Mirrors with Nitride Barrier Layers (2)

〇(M2)Yuta Fujisawa¹, Maidul HAQUE¹, Shun UJI¹, Ryohei SHIBATA¹, Mitsunori TOYODA¹ (1.Tokyo Polytechnic Univ.)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-E206-5]Imaging Performance Evaluation of an EUV Microscope Objective Mirror via High-Precision Wavefront Control

〇(P)Shun Uji¹, Yuta Fujisawa¹, Takao Tanabe¹, S. Maidul Haque¹, Mitsunori Toyoda¹ (1.Tokyo Polytechnic Univ.)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[8p-E206-6]Atomic Process of multiply charged ions in the EUV lithography

〇Akira Sasaki^1,2 (1.KPSI, QST, 2.ILE, Univ. Osaka)

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[8p-E206-7]Comparative Collective Thomson Scattering Study of Single- and Dual-Trigger Laser-Assisted Discharge Tin Plasmas for EUV Sources

〇Hideyuki Sera^1,2, Akihisa Nagano¹, Kentaro Tomita² (1.Ushio inc., 2.Hokkaido univ.)

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[8p-E206-8]Laser wavelength dependence of Sn-droplet EUV conversion efficiency

〇(M1)Naoki Nagahama¹, Hayato Yazawa¹, Shunya Yamamoto¹, Yuta Takai¹, Kaito Nishimiya², Eiji Takahashi², Takeshi Higashiguchi¹ (1.Utsunomiya Univ., 2.RIKEN)

3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[8p-E206-9]Observation of fast ions from laser-produced Sn plasma EUV source

〇(M1)Yuta Takai¹, Hayato Yazawa¹, Shunya Yamamoto¹, Naoki Nagahama¹, Kaito Nishimiya², Eiji Takahashi², Takeshi Higashiguchi¹ (1.Utsunomiya Univ., 2.RIKEN.)

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[8p-E206-10]Suppression of High-Energy Ions from EUV Source Plasmas through Control of the Initial Electron Density

〇(M2)Yasushi Shirai¹, Kentaro Tomita¹ (1.hokkaido Univ.)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[8p-E206-11]Exploring optimal conditions toward shorter-wavelength driver lasers for EUV sources

〇Nozomi Tanaka^1,2, Yu Yamamoto¹, Akira Sasaki^1,3, Katsunobu Nishihara^1,4, Yuji Takagi¹, Atsushi Sunahara^1,5, Tomoyuki Johzaki^1,6, Kentaro Tomita⁷, Shinsuke Fujioka¹, Masashi Yoshimura¹ (1.ILE, U. Osaka, 2.NIFS, 3.QST, 4.OMU, 5.Purdue University, 6.Hiroshima University, 7.Hokkaido University)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-E206-12]The Observation of Ultrafast Transient Decrease Dynamics of Non-linearity on LiNbO₃ by Time Resolved Soft X-ray Second Harmonic Generation

〇Kazuhiro Miyazawa¹, XingYu Su¹, Tobias Lojewski¹, Masafumi Horio¹, Iwao Matsuda¹ (1.ISSP, UTokyo)

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[8p-E206-13]A CT-Guided XRD System Combined with Micro X-ray CT and Pencil-Beam XRD

〇Akio Yoneyama¹, Masahide Kawamoto¹, Satoshi Takeya² (1.SAGA-LS, 2.AIST)

5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[8p-E206-14]4D X-ray Tomography of Live Crustaceans Using a Synchrotron Multi-beam Optical System

〇Wataru Yashiro^1,2,3,4, Rinno Ubukata², Hiroki Sumiishi², Kenji Kikuchi², Chika Kamezawa^3,2, Stephen Fenner^3,2, Xiaoyu Liang^3,2, Ryosuke Ueda¹, Kanae Semba³, Wolfgang Voegeli⁵, Tetsuroh Shirasawa⁶, Kentaro Kajiwara⁷, Hiroyuki Kudo⁸ (1.SRIS, Tohoku Univ., 2.Grad. Eng., Tohoku Univ., 3.IMRAM, Tohoku Univ., 4.Dent., Tohoku Univ., 5.Edu., Tokyo Gakugei Univ., 6.NMIJ, AIST, 7.JASRI, 8.Info. & Sys., Univ. Tsukuba)

5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[8p-E206-15]Field-of-view expansion for X-ray phase CT using deep learning

〇Momotaro Umetsu¹, Atsushi Momose¹ (1.Tohoku Univ.)

5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)

[8p-E206-16]Simulation study on Talbot-Lau X-ray phase imaging using parabolic gratings.

〇Taisei Usubuchi¹, Yoshichika Seki¹, Atsushi Momose¹ (1.Tohoku Univ.)

6:00 PM - 6:15 PM JST(9:00 AM - 9:15 AM UTC)

[8p-E206-17]Metal Lithium Imaging Using High-Energy Monochromatic X-ray CT

〇Ritsuki Nishimura¹, Hiroshi Sakurai¹, Futoshi Utsuno², Yumeto Shibata¹, Kousuke Suzuki¹, Kazushi Hoshi¹, Yuki Furuta¹, Naoki Sunaguti³ (1.Gunma univ., 2.Idemitsu Kosan Co., 3.KEK-PF)

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