Colloidal crystal cladded microfiber for refractive index sensing

• Autorzy: Yan H. T. , Zhao X Y , Zhang Ch. , Zhen Z Q , Li Q Z , Cao J X , Xia L X

Identyfikatory

DOI

10.5277/oa140211

• Języki publikacji: EN

Abstrakty

EN

We investigate the evanescent field of a microfiber wrapped by colloidal crystals. The microfiber has the diameter of about 1 μm that is drawn from a single-mode fiber with an alcohol lamp. The colloidal spheres are further attached to the microfiber through thermal evaporation, then they self-assemble to crystal-like structures. The 400 nm, 590 nm, and 710 nm-diameter SiO2 colloidal spheres are used, respectively. The spectral responses are studied theoretically and experimentally, and the results agree with each other. It is revealed that the evanescent field of a microfiber could be modulated by the photonic band-gap of colloidal crystals. This characteristic is very useful in refractive index sensing for liquids.

Słowa kluczowe

EN

microfibers; colloidal crystals; refractive index sensing

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2014
• Tom: Vol. 44, nr 2
• Strony: 309--315
• Opis fizyczny: Bibliogr. 18 poz., rys., wykr.

Twórcy

autor

Yan H. T.

• National Laboratory of Solid State Microstructures and College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
• College of Physics and Engineering, Henan University of Science and Engineering, Luoyang Key Laboratory of Photoelectric Materials, Luoyang 471003, China

autor

Zhao X Y

• College of Physics and Engineering, Henan University of Science and Engineering, Luoyang Key Laboratory of Photoelectric Materials, Luoyang 471003, China

autor

Zhang Ch.

• College of Physics and Engineering, Henan University of Science and Engineering, Luoyang Key Laboratory of Photoelectric Materials, Luoyang 471003, China

autor

Zhen Z Q

• College of Physics and Engineering, Henan University of Science and Engineering, Luoyang Key Laboratory of Photoelectric Materials, Luoyang 471003, China

autor

Li Q Z

• College of Physics and Engineering, Henan University of Science and Engineering, Luoyang Key Laboratory of Photoelectric Materials, Luoyang 471003, China

autor

Cao J X

• College of Physics and Engineering, Henan University of Science and Engineering, Luoyang Key Laboratory of Photoelectric Materials, Luoyang 471003, China

autor

Xia L X

• College of Physics and Engineering, Henan University of Science and Engineering, Luoyang Key Laboratory of Photoelectric Materials, Luoyang 471003, China

Bibliografia

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