The 87th JSAP Autumn Meeting 2026
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Session Details

Oral presentation3 Optics and Photonics : 3.6 Laser processing

[8p-S5-1~9]3.6 Laser processing

Tue. Sep 8, 2026 1:30 PM - 4:00 PM JST
Tue. Sep 8, 2026 4:30 AM - 7:00 AM UTC
S5 (First Year Education S Bldg.)
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-1]Validity of focused beam size evaluation using ablated areas under GHz burst mode femtosecond laser irradiation and dependence on evaluation regions

〇(DC)Shota Kawabata1,2, Kotaro Obata1, Godai Miyaji2, Koji Sugioka1 (1.RIKEN Center for Advanced Photonics, 2.Tokyo University of Agriculture and Technology)
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-2]Micro-internal processing of siliconby femtosecond and microsecond double-pulse laser irradiation

〇(M1)Soma Wakabayashi1, Kota Takabayashi1, Atsushi Iwasaki2, Amani Reza2, Guoqi Ren1, Yusuke Ito1 (1.UTokyo Eng., 2.UTokyo Sci.)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-3]Femtosecond-Laser Control of Crystal Orientation in Tellurium Thin Films

〇(M2)Takuto Hiraoka1, Haruyuki Sakurai1,2, Yuta Kobayashi1, Arata Mitsuzuka1, Mizuho Matoba2, Masashi Kawaguchi1, Arata Tsukamoto3, Kuniaki Konishi1,2, Masamitsu Hayashi1 (1.Dept. Phys., Univ. Tokyo, 2.IPST, Univ. Tokyo, 3.Nihon Univ.)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-4]Mechanism of the quench-rate dependence of femtosecond-laser energy absorption in amorphous Si

〇Eiyu Gushiken1, Tomohito Otobe1,2, Arqum Hashmi1, Mizuki Tani1,2, Shunsuke Yamada2, Kenichi L. Ishikawa1 (1.UTokyo, 2.KPSI)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-5]Wide-Angle Bessel TSL Processing for Ultrahigh-Speed Laser Processing of Alkali-Free Glass

〇Ryota Hasegawa1, Sota Kiriake1, Gouqi Ren1, Akihiro Shibata2, Io Hanaoka1, Kosuke Shimakura1, Yanming Zhang1, Yusuke Ito1 (1.Univ. Tokyo, 2.AGC inc.)
3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-6]Optimization for Crack-Free Laser Processing of Glass Micro-Holes Using a Deep Learning-Based Simulator

〇Kotaro Nakagawa1, Yohei Kobayashi1 (1.ISSP, Univ. Tokyo)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-7]Simultaneous Multi-point Ultrafast Laser Microwelding Between Glass Using a Burst-mode Femtosecond Laser and a Spatial Light Modulator

〇(B)Shunsuke Iwaoka1, Takayuki Tamaki1 (1.NIT (KOSEN), Nara Coll.)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-8]Selective Shape Control of Femtosecond Laser-Induced Periodic Surface Structures on Tungsten for W-Cu Direct Bonding

〇Tsuyoshi Furukawa1, Tatsuki Inagaki1, Hiroyuki Noto2,3, Hiyori Uehara2,3, Reina Miyagawa1,2 (1.Nagoya Inst. Tech., 2.NIFS, 3.SOKENDAI)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[8p-S5-9]Investigation of the Physical Mechanisms Underlying the Incubation Effect in Copper

〇Keisuke Takabayashi1, Tsubasa Endo1, Toshio Otsu1, Shuntaro Tani1, Makoto Yamaguchi2, Yohei Kobayashi1 (1.ISSP Univ. of Tokyo, 2.Akita Univ.)
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