Ultra-narrow band absorber in visible region based on the couple of Fabry-Pérot and guide mode resonance

He, JingQi; Zhang, Meng; Liang, Ying; Shu, Shiwei; Li, Bing; Li, Baolong; Yan, Yan; Wang, Mingxiang

doi:10.1016/j.optcom.2023.129851

Cited by 4 publications

(1 citation statement)

References 39 publications

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“…As the elliptical semi-long axis increases, the overall ERI of the core mode of Y-POL appears to decrease, and the SPR peak is blue-shifted according to the phase-matching condition. At the same time, its low-order SPR loss peak first has a small fluctuation in the overall downward trend, which is due to changing the semi-major line within the ellipsoid outcomes in the alternate of the position of the Au film and the leakage window [49,50]. This will not only affect the ERI of the Y-POL, but also its coupling with the Au film.…”

Section: Radius Of the Air Holementioning

confidence: 99%

Design of Surface Plasmon Resonance-Based D-Type Double Open-Loop Channels PCF for Temperature Sensing

Gao,

Wei,

Yang

et al. 2023

Sensors

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Here, we document a D-type double open-loop channel floor plasmon resonance (SPR) photonic crystal fiber (PCF) for temperature sensing. The grooves are designed on the polished surfaces of the pinnacle and backside of the PCF and covered with a gold (Au) film, and stomata are distributed around the PCF core in a progressive, periodic arrangement. Two air holes between the Au membrane and the PCF core are designed to shape a leakage window, which no longer solely averts the outward diffusion of Y-polarized (Y-POL) core mode energy, but also sets off its coupling with the Au movie from the leakage window. This SPR-PCF sensor uses the temperature-sensitive property of Polydimethylsiloxane (PDMS) to reap the motive of temperature sensing. Our lookup effects point out that these SPR-PCF sensors have a temperature sensitivity of up to 3757 pm/°C when the temperature varies from 5 °C to 45 °C. In addition, the maximum refractive index sensitivity (RIS) of the SPR-PCF sensor is as excessive as 4847 nm/RIU. These proposed SPR-PCF temperature sensors have an easy nanostructure and proper sensing performance, which now not solely improve the overall sensing performance of small-diameter fiber optic temperature sensors, but also have vast application prospects in geo-logical exploration, biological monitoring, and meteorological prediction due to their remarkable RIS and exclusive nanostructure.

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Section: Radius Of the Air Holementioning

confidence: 99%