双波长全光纤激光干涉速度复测技术OA
Dual Wavelength All-Fiber Laser Interferometric Velocity Retest Technique
针对冲击爆轰实验中对速度测量系统的高可靠性要求,基于光纤波分复用/解复用技术,提出了一种双波长全光纤激光干涉速度复测方法及技术.设计并搭建了一套速度复测原理验证系统,采用 1 530.3 和 1 550.0 nm 2 个波长,在气体炮上开展了低速、高速 2 种典型状态下的动态验证实验.实验结果显示,利用单一光纤探头实现了样品自由面运动速度的复测,2 个波长系统得到的速度测量结果具有较好的一致性,速度相对偏差在±1.5%以内.
In order to meet the high reliability requirement of velocity measurement in shock wave and detonation experiments,a new velocity measurement method named dual-wavelength laser interferometer was proposed based on wavelength division multiplexing/demultiplexing technique.A verification system was designed with 1 550.0 and 1 530.3 nm wavelengths,and the dynamic verification experiments under low-and high-speed conditions were carried out on the light gas gun.The dynamic experimental results show that the free surface velocity of the sample can be measured independently with a single optical fiber probe,and the velocity measurement results obtained at two wavelengths exhibit good consistency,with the relative deviation of the velocity within±1.5%.
王为;刘盛刚;谷伟;陶天炯;马鹤立;王翔;翁继东
中国工程物理研究院流体物理研究所,四川 绵阳 621999中国工程物理研究院流体物理研究所,四川 绵阳 621999中国工程物理研究院流体物理研究所,四川 绵阳 621999中国工程物理研究院流体物理研究所,四川 绵阳 621999中国工程物理研究院流体物理研究所,四川 绵阳 621999中国工程物理研究院流体物理研究所,四川 绵阳 621999中国工程物理研究院流体物理研究所,四川 绵阳 621999
数理科学
激光干涉多普勒测速波分复用速度复测
laser interferometryDoppler velocimetrywavelength division multiplexingvelocity retest
《高压物理学报》 2026 (3)
31-37,7
冲击波物理与爆轰物理全国重点实验室基金(LSD-KB1803)
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