3 papers
physics.optics2026
Electron Recoil via Sample Momentum Transfer under Optical-Mode Excitation
Akira Yasuhara, Yamato Kirii, Takumi Sannomiya
The interaction between free electrons and optical modes underlies a variety of quantum and nanoscale light-matter phenomena, yet the associated momentum exchange with the sample l…
physics.ins-det2026
Compressive multi-beam scanning transmission electron microscopy
Akira Yasuhara, Takumi Sannomiya, Ryoichi Horisaki
We demonstrate a multi-beam scanning transmission electron microscopy (STEM) imaging that integrates down-sampling with super-resolution image reconstruction via a compressive sens…
physics.optics2024
Semicircular-aperture illumination scanning transmission electron microscopy
Akira Yasuhara, Fumio Hosokawa, Sadayuki Asaoka +4
Scanning transmission electron microscopy (STEM) provides high-resolution visualization of atomic structures as well as various functional imaging modes utilizing phase contrast. I…