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首页> 美国卫生研究院文献>Materials >Thermo-Optical Switching Effect Based on a Tapered Optical Fiber and Higher Alkanes Doped with ZnS:Mn
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Thermo-Optical Switching Effect Based on a Tapered Optical Fiber and Higher Alkanes Doped with ZnS:Mn

机译：基于锥形光纤和掺杂ZNS的高烷烃的热光开关效果：Mn

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摘要

The paper investigates the effect of thermo-optic switching resulting from the hybrid combination of a tapered optical fiber (TOF) with alkanes doped with nanoparticles of zinc sulfide doped with manganese (ZnS:Mn NP). Presented measurements focused on controlling losses in an optical fiber by modification of a TOF cladding by the alkanes used, characterized by phase change. Temperature changes cause power transmission changes creating a switcher or a sensor working in an ON-OFF mode. Phase change temperatures and changes in the refractive index of the alkane used directly affected power switching. Alkanes were doped with ZnS:Mn NPs to change the hysteresis observed between ON-OFF modes in pure alkanes. The addition of nanoparticles (NPs) reduces the difference between phase changes due to improved thermal conductivity and introduces extra nucleating agents. Results are presented in the wide optical range of 550–1200 nm. In this investigation, hexadecane and heptadecane were a new cladding for TOF. The higher alkanes were doped with ZnS: Mn NPs in an alkane volume of 1 wt.% and 5 wt.%. The thermo-optic effect can be applied to manufacture a thermo-optic switcher or a temperature threshold sensor.
机译：本文研究了锥形光纤（TOF）的杂合组合与掺杂有锰锌氧化锌（ZnS：Mn NP）的硫化锌的碱颗粒的烷基纤维（TOF）产生的热光学切换的影响。提出的测量重点是通过通过使用相变的烷基化的烷烃改性来控制光纤中的损耗来控制光纤中的损耗。温度变化导致电力传输改变创建切换器或在开关模式下工作的传感器。相变温度和烷烃折射率的变化直接受影响的电力开关。烷烃掺杂有ZnS：Mn NP，以改变纯烷烃的接通模式之间观察到的滞后。添加纳米颗粒（NPS）降低了由于改善的导热性而导致相变之间的差异，并引入额外的成核剂。结果显示在550-1200nm的宽光学范围内。在这次调查中，十六烷和庚烷是TOF的新包层。将较高的烷烃掺杂有ZnS：Mn NP，其烷烃体积为1重量％和5重量％。％。可以应用热视光效应以制造热光学切换器或温度阈值传感器。

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