Zobrazeno 1 - 10
of 1 851
pro vyhledávání: '"Evanescent field"'
Publikováno v:
Results in Optics, Vol 16, Iss , Pp 100695- (2024)
Light propagation in Photonic integrated circuits (PICs), which can nowadays involve complex systems of light-guiding structures, is measured with different approaches(Nuzhdin et al., 2020, Lončar et al., 2002, Hopman et al., 2007, Morichetti et al.
Externí odkaz:
https://doaj.org/article/27428f893c32432091e4e534491b4a0e
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 4, Pp JAMDSM0049-JAMDSM0049 (2024)
Some nanoscale technologies are being employed without a full understanding of the underlying phenomena. Both static and dynamic observations of nanoparticles are essential for investigating these phenomena. While there are several methods for static
Externí odkaz:
https://doaj.org/article/61893d92a8ec455d867fe7ba16ffa6e2
Akademický článek
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Autor:
Zhu Yi, Guo Anbo, Xu Jiangtao, Zhang Zhengwei, Pang Fufei, Zhang Weijian, Zeng Xianglong, Sun Jianfeng
Publikováno v:
Nanophotonics, Vol 12, Iss 16, Pp 3229-3242 (2023)
In this study, we experimentally showcase the microfiber evanescent-field photothermal gas detection by exploiting all-fiber MHz-level frequency shift scheme. Based on the acousto-optic interaction effect, the low-frequency shifts of 0.9 MHz and 1.83
Externí odkaz:
https://doaj.org/article/d8c3ea9ce6c34725ae245176713cecb8
Autor:
Muhammad A. Butt, Ryszard Piramidowicz
Publikováno v:
Chemosensors, Vol 12, Iss 7, p 143 (2024)
Gas sensing is crucial for detecting hazardous gasses in industrial environments, ensuring safety and preventing accidents. Additionally, it plays a vital role in environmental monitoring and control, helping to mitigate pollution and protect public
Externí odkaz:
https://doaj.org/article/501e6467042b459d94d948b43796a6d5
Autor:
S. Al-Awfi
Publikováno v:
Journal of Taibah University for Science, Vol 17, Iss 1 (2023)
The evanescent light field created by total internal reflection at a dielectric-vacuum interface has tight spatial confinement and high local intensity. These properties become more robust when a dual layer of dielectric thin films with different thi
Externí odkaz:
https://doaj.org/article/ed6cd83b3a504ec8827be75e9a70ab1e
Autor:
Henri P. Uranus
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 6, Pp 1-9 (2023)
The performance of symmetric Mach-Zehnder interferometric (MZI) sensor employing ring-resonator circuits for slow-light enhancement of the sensor performance was theoretically investigated. The slow-light structures considered in this study are coupl
Externí odkaz:
https://doaj.org/article/2188b9ca9a1c4c8ca65005d905c8a614
Publikováno v:
East European Journal of Physics, Iss 4, Pp 153-163 (2022)
The effect of source, geometrical and physical parameters of slab waveguide on the sensitivity of optical sensor and its evanescent field have been investigated. The waveguiding film of LiNbO3 was fabricated and the observations revealed that the max
Externí odkaz:
https://doaj.org/article/62d1a614d61e42248080f95f0e27069d
Autor:
Muhammad A. Butt
Publikováno v:
Photonics, Vol 11, Iss 3, p 198 (2024)
Photonic sensors utilize light–matter interaction to detect physical parameters accurately and efficiently. They exploit the interaction between photons and matter, with light propagating through an optical waveguide, creating an evanescent field b
Externí odkaz:
https://doaj.org/article/f70664c3f5af40a99437a2a124e3b5d3
Publikováno v:
Sensors, Vol 24, Iss 4, p 1234 (2024)
In this work, an evanescent Bragg grating sensor inscribed in a few-mode planar polymer waveguide was integrated into microchannel structures and characterized by various chemical applications. The planar waveguide and the microchannels consisted of
Externí odkaz:
https://doaj.org/article/9dd9fe1a44de48debef71d30e21ecb36