Novel multiband polarization beam splitter based on a dual-core transversally chirped microstructured optical fiber

Author(s):  
Erick Estefen Reyes Vera ◽  
Freiman Gomez ◽  
Juan Usuga Restrepo ◽  
Nelson Gomez Cardona
Sensors ◽  
2020 ◽  
Vol 20 (14) ◽  
pp. 3911 ◽  
Author(s):  
Haixia Han ◽  
Donglian Hou ◽  
Nannan Luan ◽  
Zhenxu Bai ◽  
Li Song ◽  
...  

A surface plasmon resonance (SPR) sensor based on a dual-side polished microstructured optical fiber (MOF) with a dual core is proposed for a large analyte refractive index (RI; na) detection range. Gold is used as a plasmonic material coated on the polished surface, and analytes can be directly contacted with the gold film. The special structure not only facilitates the fabrication of the sensor, but also can work in the na range of 1.42–1.46 when the background material RI is 1.45, which is beyond the reach of other traditional MOF-SPR sensors. The sensing performance of the sensor was investigated by the wavelength and amplitude interrogation methods. The detailed numerical results showed that the proposed sensor can work effectively in the na range of 1.35–1.47 and exhibits higher sensitivity in the na range of 1.42–1.43.


2021 ◽  
Vol 60 (01) ◽  
Author(s):  
Chaobin Ren ◽  
Jinhui Yuan ◽  
Kuiru Wang ◽  
Binbin Yan ◽  
Xinzhu Sang ◽  
...  

2014 ◽  
Vol 41 (5) ◽  
pp. 0505001
Author(s):  
毛艳萍 Mao Yanping ◽  
季敏宁 Ji Minning ◽  
解清明 Xie Qingming ◽  
刘珍 Liu Zhen

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