Digital holography of gold nanoparticles heated in water

Yuto Jonai; Yoshio Hayasaki

doi:10.1117/12.3007938

20 September 2023 Digital holography of gold nanoparticles heated in water

Yuto Jonai, Yoshio Hayasaki

Proceedings Volume 12608, Biomedical Imaging and Sensing Conference; 126081D (2023) https://doi.org/10.1117/12.3007938
Event: Optics and Photonics International Congress, 2023, Yokohama, Japan

Abstract

Laser irradiation of gold nanoparticles in water causes deformation of the gold nanoparticles and heating of the surrounding water, resulting in a change in refractive index. With sufficient heating, the water vaporizes and micro bubbles are generated. We are attempting to observe a series of physical processes using pump/probe digital holography. First, we developed the holographic observation system for the behavior of gold nanoparticles heated by a continuous wave near-infrared laser on a millisecond time scale.

Citation Download Citation

Yuto Jonai and Yoshio Hayasaki "Digital holography of gold nanoparticles heated in water", Proc. SPIE 12608, Biomedical Imaging and Sensing Conference, 126081D (20 September 2023); https://doi.org/10.1117/12.3007938

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