Single particle material characterization using microtoroid optical resonators (Conference Presentation)

Shuang Hao; Sartanee Suebka; Judith Su

doi:10.1117/12.2650887

16 March 2023 Single particle material characterization using microtoroid optical resonators (Conference Presentation)

Shuang Hao, Sartanee Suebka, Judith Su

Proceedings Volume PC12391, Label-free Biomedical Imaging and Sensing (LBIS) 2023; PC123910K (2023) https://doi.org/10.1117/12.2650887
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Label-free detection techniques are widely used in biological and environmental sensing. In particular, whispering gallery mode microtoroid resonators have been used to detect single nanoparticles and molecules by relying on the ultrahigh quality factor of these resonators together with frequency locking for ultra-precise resonance tracking. However, material property characterization on a particle-by-particle basis remains a challenge in these label-free schemes. Here we characterize single particle material properties using microtoroid optical resonators combined with spectroscopic techniques.

Conference Presentation

Citation Download Citation

Shuang Hao, Sartanee Suebka, and Judith Su "Single particle material characterization using microtoroid optical resonators (Conference Presentation)", Proc. SPIE PC12391, Label-free Biomedical Imaging and Sensing (LBIS) 2023, PC123910K (16 March 2023); https://doi.org/10.1117/12.2650887

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