Fabrication of photonic crystal micro-fiber and its characteristics

LUO Ying; MA Jie; ZHONG Yongchun

doi:10.7510/jgjs.issn.1001-3806.2015.03.006

In order to fabricate colloidal crystal micro-fiber structure, monodisperse polystyrene microspheres were grown into self-assembled colloidal crystals on the surface of micro-nano fiber by Czochralski method. Microstructure of colloidal crystals and properties of transmission spectra were characterized by scanning electron microscopy and spectroscopy. The results show that polystyrene microspheres are accumulated orderly and are assembled to colloidal crystals by themselves. The colloidal crystal has [111] face-centered cubic structure and the surface of micro-fiber has facet of face-centered cubic structure. The transmission peak of micro-structured fiber is about 1400.8nm, corresponding to the photonic band gap in the [111] direction of face-centered cubic structure. This kind of micro-fiber with three-dimensional photonic crystal structure is very useful in the applications of micro-fiber sensors or filters.

Fabrication of photonic crystal micro-fiber and its characteristics

Corresponding author: ZHONG Yongchun, ychzhong@163.com

1. Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China;

2. Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China

Received Date: 2014-11-10

Accepted Date: 2014-12-10

Available Online: 2015-05-25

Abstract: In order to fabricate colloidal crystal micro-fiber structure, monodisperse polystyrene microspheres were grown into self-assembled colloidal crystals on the surface of micro-nano fiber by Czochralski method. Microstructure of colloidal crystals and properties of transmission spectra were characterized by scanning electron microscopy and spectroscopy. The results show that polystyrene microspheres are accumulated orderly and are assembled to colloidal crystals by themselves. The colloidal crystal has [111] face-centered cubic structure and the surface of micro-fiber has facet of face-centered cubic structure. The transmission peak of micro-structured fiber is about 1400.8nm, corresponding to the photonic band gap in the [111] direction of face-centered cubic structure. This kind of micro-fiber with three-dimensional photonic crystal structure is very useful in the applications of micro-fiber sensors or filters.

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Reference (15)

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Fabrication of photonic crystal micro-fiber and its characteristics

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