Scanning offset-emission hyperspectral microscopy (SOHM) of waveguiding in single ZnO nanorod

Bonghwan Chon; Johnson Truong; Matthew Hansen; Jong-In Hahm; Young Jong Lee

doi:10.1117/12.2542446

20 February 2020 Scanning offset-emission hyperspectral microscopy (SOHM) of waveguiding in single ZnO nanorod

Bonghwan Chon, Johnson Truong, Matthew Hansen, Jong-In Hahm, Young Jong Lee

Proceedings Volume 11251, Label-free Biomedical Imaging and Sensing (LBIS) 2020; 1125123 (2020) https://doi.org/10.1117/12.2542446
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

We examine multiphoton-produced optical signals waveguided through single ZnO nanorod (NR) using a newly developed, scanning offset-emission hyperspectral microscopy (SOHM) technique. SOHM acquires spectrally indexed and spatially resolved intensity maps/spectra of waveguided light intensity, while excitation/emission collection positions and light polarization are scanned. Hence, the powerful measurement capabilities of SOHM enable quantitative analyses of the different ZnO NR waveguiding behaviors specific to the multiphoton-generated emissions as a function of measurement position, and the optical origin of the guided signal. We subsequently reveal the distinct waveguiding behaviors of single ZnO NRs pertaining to the variously originated signals and discuss particularly attractive ZnO NR properties in CARS waveguiding. In this talk, I will present the distinctive CARS waveguiding nature through single ZnO NR, exhibiting high position and polarization-dependence.

Citation Download Citation

Bonghwan Chon, Johnson Truong, Matthew Hansen, Jong-In Hahm, and Young Jong Lee "Scanning offset-emission hyperspectral microscopy (SOHM) of waveguiding in single ZnO nanorod", Proc. SPIE 11251, Label-free Biomedical Imaging and Sensing (LBIS) 2020, 1125123 (20 February 2020); https://doi.org/10.1117/12.2542446

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