Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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Thermo-optic Characteristics of Micro-structured Optical Fiber Infiltrated with Mixture Liquids

  • Wang, Ran (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Wang, Yuye (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Miao, Yinping (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Lu, Ying (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Luan, Nannan (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Hao, Congjing (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Duan, Liangcheng (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Yuan, Cai (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University) ;
  • Yao, Jianquan (College of Precision Instruments and Opto-electronics Engineering, Institute of Laser & Optoelectronics, Tianjin University)
  • Received : 2013.01.21
  • Accepted : 2013.04.15
  • Published : 2013.06.25
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Abstract

We present both theoretically and experimentally the thermo-optic characteristics of micro-structured optical fiber (MOF) filled with mixed liquid. The performance of MOF depends on the efficient interaction between the fundamental mode of the transmitted light wave and the tunable thermo-optic materials in the cladding. The numerical simulation indicates that the confinement loss of MOF presents higher temperature dependence with higher air-filling ratios $d/{\Lambda}$, longer incident wavelength and fewer air holes in the cladding. For the 4cm liquid-filled grapefruit MOF, we demonstrate from experiments that different proportions of solutions lead to tunable temperature sensitive ranges. The insertion loss and the extinction ratio are 3~4 dB and approximate 20 dB, respectively. The proposed liquid-filling MOF will be developed as thermo-optic sensor, attenuator or optical switch with the advantages of simple structure, compact configuration and easy fabrication.

Keywords

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