The 86th JSAP Autumn Meeting 2025
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Session Details

Oral presentation3 Optics and Photonics : 3.6 Laser processing

[9p-N306-1~11]3.6 Laser processing

Tue. Sep 9, 2025 1:30 PM - 4:45 PM JST
Tue. Sep 9, 2025 4:30 AM - 7:45 AM UTC
N306 (Lecture Hall North)
1:30 PM - 2:00 PM JST(4:30 AM - 5:00 AM UTC)

[9p-N306-1]Ultra-high-speed and high-aspect-ratio laser drilling by combining Bessel beam with TSL processing

Yanming Zhang1, Takumi Koike1, Reina Yoshizaki1, Guoqi Ren1, Akihiro Shibata2, Sota Kiriake1, Ryota Hasegawa1, Ikuo Nagasawa2, Keisuke Nagato1, Naohiko Sugita1, 〇Yusuke Ito1 (1.Univ. Tokyo, 2.AGC)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)English Presentation

[9p-N306-2]GHz-Burst Femtosecond Laser Ablation of Silicon at 515 nm Wavelength

〇Ashkan MomeniBidzard1, Shota Kawabata1, Kotaro Obata1, Koji Sugioka1 (1.RIKEN, RAP)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[9p-N306-3]Laser processing of dielectrics using extremely short pulses generated by a Yb-based femtosecond laser

〇(M1)Konosuke Kawanaka1, Haruyuki Sakurai1, Shotaro Kawano1, Bo-Han Chen2, Ching-Yu Hsieh2, Jia-Xuan Su2, Shang-da Yang2, Kuniaki Konishi1 (1.The Univ. of Tokyo., 2.National Tsing Hua Univ.)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)English Presentation

[9p-N306-4]High-speed micromachining of glass by selective laser absorption into electron-excited region

〇Guoqi Ren1, Huijie Sun1, Takumi Koike1, Kota Takabayashi1, Keiichi Nakagawa1, Naohiko Sugita1, Yusuke Ito1 (1.Univ. Tokyo)
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)English Presentation

[9p-N306-5]Femtosecond laser fabricated Tesla structured glass microfluidics integrated with SERS substrate for gas sensing

〇Shi Bai1, Kazunari Ozasa1, Koji Sugioka1 (1.RIKEN)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[9p-N306-6]First-principles study of anisotropic optical absorption in sapphire

〇Mizuki Tani1, Shotaro Kawano2, Haruyuki Sakurai2, Tomohito Otobe1 (1.KPSI, 2.The Univ. of Tokyo)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[9p-N306-7]Investigation of Femtosecond Laser-Induced Shock Wave Characteristics by Time-Resolved Measurement of Displacement Distribution

〇(M2)Kenta Tokumi1, Yusuke Ito1 (1.Univ. of Tokyo)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)English Presentation

[9p-N306-8]Pressure-driven graphitization under femtosecond laser irradiation

〇(D)Weiye Jin1,2, Huijie Sun2, Yusuke Ito2, Jiayun Pei1, Haiyan Zhao1 (1.Tsinghua Univ., 2.the Univ. of Tokyo)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)English Presentation

[9p-N306-9]Surface deformation analysis of AFM detected vibrations induced by femtosecond lasers at anthracene crystal

〇(D)Yuhau Ye1, Yuka Tsuri1,2, Yoichiroh Hosokawa1,2 (1.Div. Mat. Sci., NAIST, 2.MLC, NAIST)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[9p-N306-10]Design of Polarization and Intensity Distribution for Laser Drilling of Micro Odd-Shaped Hole

〇Akio Mizutani1, Atsushi Kitamura1 (1.OMU)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[9p-N306-11]Extending the extrapolability of neural network-based laser processing simulators

〇Shuntaro Tani1 (1.RAP, RIKEN)
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