[P] P272~P285 Energy and Related Materials

[P278] Magneto-Optical Micro-Imaging for Hydrogen Reaction on Fabry–Pérot Cavity Elements

○Jiaxiang Liu¹, Takashi Hasegawa¹, Haruki Yamane² (1. Akita Univ., 2. Akita Ind. Tech. Center)

Keywords:

Hydrogen imaging,Hydrogen absorption,Magneto-optical effect,Magneto-optical cavity,Polar Kerr microscope

For high-precision visualization of hydrogen absorption, we integrated a polar Kerr microscope and an MO cavity with a PdAu reaction layer. We successfully visualized the reaction as a reversible contrast reversal in magnetic domains, utilizing hydrogen-induced interference modulation.