光纤端头Fizeau腔超快压力传感器及其在高功率激光诱导等离子体冲击波测试中的应用

王俊杰; 朱亚凯; 刘彦鹏; 王淏; 贺达; 姚磊磊; 张普

doi:10.3724/CO.2026-0095

光纤端头Fizeau腔超快压力传感器及其在高功率激光诱导等离子体冲击波测试中的应用

doi: 10.3724/CO.2026-0095

cstr: 32171.14.CO.2026-0095

1.
武汉理工大学光纤传感技术与网络国家工程研究中心, 武汉 430070
2.
西北核技术研究所强脉冲辐射环境模拟与效应全国重点实验室, 西安 710024

基金项目: xxx

详细信息

作者简介:
王俊杰（1971—），男，山西代县人，通信作者，2001年于北京理工大学获得机械电子工程专业博士学位，现为武汉理工大学光纤传感技术与网络国家工程研究中心教授，主要研究方向为：高频响光纤F-P腔压力传感器及其在军工动态测试技术中的应用。E-mail：wjj-whut@foxmail.com

通讯作者:
E-mail：wangjj@whut.edu.cn

中图分类号: TH741
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出版历程
- 收稿日期: 2026-05-27
- 录用日期: 2026-08-19
- 网络出版日期: 2026-09-03

Ultrafast pressure sensor based on optical fiber tip fizeau cavity and its application in testing of high-power laser-induced plasma shock waves

1.
National Engineering Research Center for Optical Fiber Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, China
2.
National Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi'an 710024, China

Funds: xxx

More Information

Author Bio:
Wang JunJie (1996—), male, native of Dai County, Shanxi Province, corresponding author received his Ph.D. in Mechanical and Electronic Engineering from Beijing Institute of Technology in 2001. He is currently a professor at the National Engineering Research Center for Fiber Optic Sensing Technology and Networks of Wuhan University of Technology. His main research interests are: High-frequency response fiber optic F-P cavity pressure sensors and their applications in military dynamic testing technology. E-mail: wjj-whut@foxmail.com

Corresponding author: wangjj@whut.edu.cn

摘要

摘要:
针对351 nm深紫外强激光诱导不锈钢金属产生等离子体冲击波动力学特性的研究中，迫切需要一种响应时间小于50 ns的超快动态压力传感器。为此本文阐述了一种制作在光纤端头基于Fizeau腔的超微型超快空气激波压力传感器。采用活塞式压力计和空气激波管，对该激波压力测试系统进行了静态和动态定标实验。当高速光电探测器的响应时间为8 nS、谐振频率点为20 MHz时，在2.4 MPa压力量程范围内，空气激波压力传感系统的定标结果为：线性度1.09% FS、重复性1.046% FS、回程误差1.117% FS、基本误差3.253% FS，动态响应时间小于50 nS。实测实验，该传感系统完美测取到351 nm深紫外强激光诱导不锈钢产生等离子体冲击压力波。据我所知，这是第一次利用冲击波压力传感器测取到高功率激光诱导不锈钢金属产生的超快等离子体冲击压力波。最后，指出该超快动态压力传感器潜在的应用方向。
- 光纤端头Fizeau腔 /
- 高频响超快动态压力 /
- 冲击波压力传感器 /
- 深紫外激光诱导不锈钢金属 /
- 等离子体冲击波
Abstract:
In the study of the dynamic characteristics of plasma shock waves generated by the 351 nm deep-ultraviolet high-intensity laser acting on stainless steel metal, there is an urgent need for an ultra-fast dynamic pressure sensor with a response time of less than 50 nS. To this end, this paper describes an ultra-miniature ultra-fast air shock wave pressure sensor based on a Fizeau cavity fabricated on the end face of an optical fiber. A static calibration test and a dynamic calibration test are conducted using a piston-type pressure calibration machine and an air shock tube. When the response time of the high-speed photodetector is 8 nS and the resonant frequency point is 20 MHz, the calibration results indicate that the repeatability, hysteresis, nonlinearity, and the overall measurement accuracy of the sensor within the full pressure range of 2.4 MPa are 1.117%, 1.046%, 1.09%, and 3.253%, respectively. and dynamic response time is less than 50 nS. In actual experiments, the sensing system successfully captures the plasma shock pressure wave produced on stainless steel upon irradiation by a 351 nm deep-ultraviolet high-intensity laser. To the author’s knowledge, It is the first time to utilize a shock wave pressure sensor to capture the ultrafast plasma shock pressure wave generated by high-power laser-induced stainless steel metal. Finally, the potential application directions of this ultrafast dynamic pressure sensor is pointed out.

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图 1 全石英光纤Fizeau腔及其力学分析简图

Figure 1. Schematic diagram of the all-silica fiber Fizeau cavity and its mechanical analysis

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图 2 传感器实物图.(a)Fizeau腔光学显微镜照片（x500）；(b)空气冲击波压力封装探头

Figure 2. Physical photo of the sensor . (a) Optical microscope photo(x500) for the Fizeau cavity; (b) Packaged air shock-wave pressure probe

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图 3 探测器性能测试数据.（a）时域响应上升时间测试曲线；（b）频域谐振带宽测试曲线

Figure 3. Detector performance test data. (a)Time-domain response rise time test curve;(b) Frequency domain resonance bandwidth test curve

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图 4 Fizeau腔压力探针静态定标实验数据

Figure 4. Static pressure calibrated data for the Fizeau cavity probe

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图 5 光纤Fizeau腔端面照片

Figure 5. Photograph of the optical fiber Fizeau cavity end face

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图 6 激波管动态定标实验测定传感器响应时间实验曲线。(a)激波管峰值压力测定实验曲线；(b) ,(c)激波管响应输出分别达到平台峰值压力10%和90%的坐标点测试曲线；

Figure 6. Shock tube dynamic calibration experiment curve for determining sensor response time. (a) Shock tube peak pressure measurement experiment curve; (b),(c) Test curve of the coordinate point where the shock tube response output reaches 10% and 90% of the plateau peak pressure, respectively.

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图 7 高灵敏度、低量程实测传感器静态定标曲线

Figure 7. Static calibration curve of high-sensitivity, low-range measured sensor

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图 9 中量程实测传感器静态定标曲线

Figure 9. Static calibration curve of medium-range measured sensor

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图 8 深紫外激光诱导不锈钢金属产生低压等离子体冲击波实测曲线

Figure 8. Measured curve of low-pressure plasma shock waves generated on stainless steel induced by deep-ultraviolet laser

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图 10 深紫外激光诱导不锈钢金属产生的中压等离子体冲击波实测曲线。(a)、(b)和(c)为不同能量激励下的三发数据

Figure 10. Measured curve of medium-pressure plasma shock waves generated on stainless steel induced by deep-ultraviolet laser. (a),(b) and (c) are three sets of data under different energy excitations.

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