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Fabrication of optical comb filter using tapered fiber based ring resonator

机译:使用锥形纤维环谐振器的光学梳状滤波器的制造

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A tapered fiber based ring resonator is fabricated and its optical characteristic is investigated. Fiber taper is firstly made by heating and stretching a piece of optical fiber, after the polymer protective cladding has been removed. The ring resonator is fabricated by twisting the tapered fiber and manipulating the two ends of the fiber. The comb filter with a constant spacing and an extinction ratio of 4.2dB can be obtained with the ring resonator. The free spectral range (FSR) of tapered fiber ring resonator can be varied from 0.08nm to 0.33nm by controlling the diameter of the ring. The filtering characteristic of the resonator is maintained after packaging with low index polymer.
机译:制造锥形纤维的环谐振器,并研究了其光学特性。在除去聚合物保护包层之后,首先通过加热和拉伸一块光纤制造纤维锥度。通过扭转锥形纤维并操纵纤维的两端来制造环谐振器。通过环谐振器可以获得具有恒定间隔的梳状滤波器和4.2dB的消光比。通过控制环的直径,锥形光纤环谐振器的自由谱范围(FSR)可以从0.08nm到0.33nm变化。在用低指标聚合物包装后保持谐振器的过滤特性。

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