Zobrazeno 1 - 10
of 1 481
pro vyhledávání: '"Refractive index sensing"'
Publikováno v:
Photonic Sensors, Vol 14, Iss 4, Pp 1-11 (2024)
Abstract Fabry-Pérot (FP) microcavities have attracted tremendous attention in recent years due to their favorable optical characteristics of the high quality (Q) factor and small mode volume. In this work, we presented a novel approach that utilize
Externí odkaz:
https://doaj.org/article/e58a1680050a4869b89e15a0da5ddaad
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Optical biosensors based on plasmonic nanostructures have attracted great interest due to their ability to detect small refractive index changes with high sensitivity. In this work, a novel plasmonic coupled cavity waveguide is proposed for
Externí odkaz:
https://doaj.org/article/8e34aad29be6437a903d572f6a92dad9
Autor:
Di Wu, Jing Zhang
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 5, Pp 1-6 (2024)
In this paper, a novel refractive index (RI) sensor based on the soliton self-frequency shift (SSFS) in tellurite photonic crystal fiber (TPCF) is proposed. RI sensing in the mid-infrared region is achieved by detecting the wavelength shift of the so
Externí odkaz:
https://doaj.org/article/6838e1b72cdf4dcfae4f9d86b8c66ce5
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 1, Pp 1-6 (2024)
We propose a distributed multi-objective optimization (DMO) method for designing chiral plasmonic metasurface that satisfies multiple objectives simultaneously. We aim to improve the refractive index sensitivity of the archetypical Born-Kuhn type chi
Externí odkaz:
https://doaj.org/article/4f2897fe4e3f4b52aa4d6d56c6140f32
Autor:
Bibhatsu Kuiri, Aloke Kumar Pathak, Amlan Das, Binoy Das, Vigneswaran Dhasarathan, Ardhendu Sekhar Patra
Publikováno v:
Results in Physics, Vol 60, Iss , Pp 107639- (2024)
In this study, we introduce a novel hafnium dioxide (HfO2) and thin gold layer based photonic crystal fiber (HfAu-PCF) sensor for refractive index measurement and optimize in the spectrum of 1.3 µm to 1.6 µm. The proposed sensor incorporates a D-sh
Externí odkaz:
https://doaj.org/article/524463fc8c504be0b9727d6d3be956af
Autor:
Tianyu Wang, Siqi Liu, Jiahang Zhang, Liang Xu, Mingyu Yang, Bing Han, Ding Ma, Sijia Jiang, Qingbin Jiao, Xin Tan
Publikováno v:
Results in Physics, Vol 58, Iss , Pp 107451- (2024)
Utilizing the asymmetry of the micro-nano structure to excite Fano resonance in dielectric metasurfaces presents low loss and high field enhancement factors, and has a broad range of applications in optical sensing. Nevertheless, the asymmetry of the
Externí odkaz:
https://doaj.org/article/29ca18e4dea1480eb87f16cb7aa5a745
Publikováno v:
Open Physics, Vol 21, Iss 1, Pp 2475-90 (2023)
This article proposes an on-chip optical temperature sensor based on a cascaded microring resonator, which is composed of a reference ring and a sensing ring cascaded with different temperature sensitivities and free spectral ranges. By changing the
Externí odkaz:
https://doaj.org/article/22e00174ecc64b5d9f0655068b4f1202
Autor:
Dong Shiqing, Dong Chao, Shen Kesheng, Zheng Yun, Sun Jie, Zhen Cheng, Hu Haiyang, Zhang Feng, Zhang Zhe, Liu Hongchao, Lu Hai
Publikováno v:
Nanophotonics, Vol 12, Iss 20, Pp 3963-3976 (2023)
Infrared metasurfaces have exhibited exceptional optical properties that differ from naturally occurring metallic and dielectric nanostructure, enabling non-destructive and label-free sensing in a broadband region. However, implementing wavelength mu
Externí odkaz:
https://doaj.org/article/e2964c97564c43af951d3659c3ab14b0
Publikováno v:
Sensors, Vol 24, Iss 14, p 4477 (2024)
Hematite (α-Fe2O3) is widely used in sensor sensitization due to its excellent optical properties. In this study, we present a sensitivity-enhanced surface plasmon resonance alcohol sensor based on Fe2O3/Au. We describe the fabrication process of th
Externí odkaz:
https://doaj.org/article/7a727bb6662749eca5f86e4961aa6181
Autor:
Maria V. Kotlyar, Jenitta Johnson Mapranathukaran, Gabriele Biagi, Anton Walsh, Bernhard Lendl, Liam O’Faolain
Publikováno v:
Sensors, Vol 24, Iss 11, p 3679 (2024)
We demonstrated, for the first time, micro-ring resonator assisted photothermal spectroscopy measurement of a gas phase sample. The experiment used a telecoms wavelength probe laser that was coupled to a silicon nitride photonic integrated circuit us
Externí odkaz:
https://doaj.org/article/c06a047c60f240ce9daa8dc4ee57a7ff