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Composite cavity fiber tip Fabry-Perot interferometer for high temperature sensing

机译:复合腔纤维尖端法布里 - 珀罗干涉仪,用于高温感测

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摘要

A simple composite cavity fiber tip (CCFT) Fabry-Perot interferometer (FPI) is proposed and experimentally demonstrated. The composite cavity is composed of an air cavity and a silica cavity. The air cavity is an elliptical air hole embedded in the SMF. The silica cavity is a short section of SMF cascaded to the air cavity. To avoid the influence of other external physical quantities (refractive index, humidity, etc.) on the CCFT FPI, the CCFT was successfully encapsulated by a tapered-shaped silica capillary. The packaged CCFT FPIs were applied for high temperature sensing in the range of 100-800 degrees C. Temperature sensitivity of 14.31 pm/degrees C was obtained for the silica cavity. In addition, the composite cavity can be fabricated to be very small in size (dozens of micrometers) with extremely low-cost, thus the CCFT FPI can be a competitive candidate for local point temperature sensing.
机译:提出并通过实验证明了一个简单的复合腔光尖(CCFT)法布里 - 珀罗干涉仪(FPI)。复合腔由空气腔和二氧化硅腔组成。空气腔是嵌入在SMF中的椭圆空气孔。二氧化硅腔是SMF级联到空腔的短截面。为了避免其他外部物理量(折射率,湿度等)对CCFT FPI的影响,CCFT通过锥形二氧化硅毛细管成功包封。施加封装的CCFTFPI,在100-800摄氏度的范围内施加高温感测。对于二氧化硅腔,获得了14.31μm/℃的温度敏感性。另外,复合腔可以制造成非常小的尺寸(数千微米),具有极低的成本,因此CCFT FPI可以是局部点温度感测的竞争候选者。

著录项

  • 来源
    《Optical fiber technology》 |2019年第7期|31-35|共5页
  • 作者单位

    Harbin Inst Technol Inst Optoelect Natl Key Lab Tunable Laser Technol Harbin 150080 Heilongjiang Peoples R China;

    Harbin Inst Technol Inst Optoelect Natl Key Lab Tunable Laser Technol Harbin 150080 Heilongjiang Peoples R China;

    Harbin Inst Technol Inst Optoelect Natl Key Lab Tunable Laser Technol Harbin 150080 Heilongjiang Peoples R China;

    Shanghai Aerosp Control Technol Inst Shanghai Engn Res Ctr Inertia Shanghai 200233 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Fabry-Perot Interferometer; High temperature sensing; Micro-optical devices; Composite cavity;

    机译:法布里 - 珀罗干涉仪;高温感测;微光学器件;复合腔;

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