Temperature sensor properties in total internal reflection-photonic crystal fibers based on liquid crystal filling

Abstract

Abstract:

The total internal reflection-photonic crystal fibers (TIR-PCF) are proposed by filling the air hole of solid-core PCF clad with nematic liquid crystal which the refractive index less than that of background glass within the temperature and wavelength in our research. The effective index of clad with filled liquid crystal is putout by the fundamental space filling mode index. The temperature sensor properties in the PCF are studied by the step effective index model, and numerical calculation. The results show that the effective index of clad and equivalent core radius increased with temperature increased, and quick increase about clear point of liquid crystal, the cutoff wavelength of the second mode decreased with temperature increased, and quick decrease about clear point of liquid crystal in the PCF infiltrated with liquid crystals.

Key words: optical communication, temperature sensor properties, effective index model, photonic crystal fiber, liquid crystal fill, total internal reflection

CLC Number:

TN929.11

QIAN Xiang-Zhong. Temperature sensor properties in total internal reflection-photonic crystal fibers based on liquid crystal filling[J]. J4, 2009, 26(3): 380-384.

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