Fig. 1. Petal-shape structure of MOF.花瓣形MOF结构

Fig. 2. Dispersion characteristics of the two cladding super-mode band and the four core modes for the MOF shown in Fig.1, when . 时, 图1中MOF的纤芯4种模式和2个包层超模群区间的色散特性

Fig. 3. Field distributions of the core-mode at the wavelength : (a) The LP₀₁ mode; (b) the LP₁₁ mode; (c) the LP₂₁ mode; (d) the LP₀₂ mode. 波长 时, 纤芯模式的模场分布图　(a) LP₀₁模; (b) LP₁₁模; (c) LP₁₁模; (d) LP₀₂模

Fig. 4. Variation of super-mode band with liquid-rod index change at the wavelength 1550 nm.波长1550 nm时, 超模群区间随液体介质柱折射率(温度)变化曲线

Fig. 5. Variation of the core-mode LP₀₁ mode and LP₁₁ mode loss with and without liquid absorption loss. 考虑和不考虑液体吸收损耗两种情况下的纤芯LP₀₁模和LP₁₁模损耗曲线

Fig. 6. The loss of single core-mode on the super-mode band: (a) The LP₀₁ mode; (b) the LP₁₁ mode; (c) the LP₂₁ mode; (d) the LP₀₂ mode. 纤芯四种模式单独处于超模群区间时损耗曲线　(a) LP₀₁模; (b) LP₁₁模; (c) LP₂₁模; (d) LP₀₂模

Fig. 7. The loss of four core-mode with various liquid index: (a) ; (b) ; (c) ; (d) . 不同液体折射率时, 四种纤芯模式的损耗曲线　(a) ; (b) ; (c) ; (d) = 1.4812

Fig. 8. Field distributions of LP₀₁mode with various circle structures: (a) Circle structure; ( b) petal-shape structure. 不同结构光纤的LP₀₁模的模场分布　(a)圆形结构; (b)花瓣结构

Fig. 9. Loss of two MOF: (a) Loss band of the LP₀₁ mode and LP₁₁ mode; (b) loss band of the LP₂₁ mode and LP₀₂ mode. 两种MOF的模式损耗对比　(a) LP₀₁模和LP₁₁模损耗曲线; (b) LP₂₁模和LP₀₂模曲线

Fig. 10. Dependence of the loss of the core LP₀₁mode locating in different two super-mode region: (a) With same temperature variation at wavelength 1550 nm; (b) with various wavelength at the same temperature. 纤芯 LP₀₁模式在双超模群时的两种超模群区间LP₀₁模损耗　(a)波长为1550 nm, 温度改变量相同; (b)温度相同, 波长改变