Abstract
We exploit the refractive-index (RI)-sensing capabilities of a photonic crystal slab (PCS) and the photoelastic effect in a polymer overlayer to measure ultrasonic signals in water. Using a TM resonance in the PCS device, we obtain an acoustic sensitivity of 4.4×10−2 nm/MPa.
© 2020 The Author(s)
PDF Article | Presentation VideoMore Like This
R. Tufan Erdogan, Georgy A. Filonenko, Stephen J. Picken, Peter G. Steeneken, and Wouter J. Westerveld
ck_3_1 The European Conference on Lasers and Electro-Optics (CLEO/Europe) 2023
Eric Y. Zhu, Li Qian, and Ofer Levi
FTh2C.5 Frontiers in Optics (FiO) 2020
Liuyang Yang, Fang Fang, Liangye Li, Dongchen Xu, and Qizhen Sun
ATh1S.1 CLEO: Applications and Technology (CLEO:A&T) 2021