VISAR条纹常数的检测方法

The measurement of Velocity-per-Fringe Constants of VISAR

Laboratory for Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China

摘要: 提出了4种可检测VISAR条纹常数的方法。在这4种方法中，DISAR和VISAR的混合测试系统对VISAR条纹常数的测定精度高，适用范围广，是一种普适方法。在不具备DISAR仪器以及DISAR、VISAR混合测试技术的条件下，也可以通过VISAR延迟时间的测定、加窗熔石英对称碰撞产生的相对标准速度源以及标检过的VISAR仪器对VISAR条纹常数进行检测。
- VISAR /
- DISAR /
- 熔石英 /
- 冲击波
Abstract: Four experimental approaches had been developed to measure the velocity-per-fringe constants of VISAR. In particular, owing to the high accuratity and the wide applicable range, the integrated VISAR and DISAR approach should be a versatile method to measure arbitrary velocity-per-fringe constants of VISAR. In the absence of the integrated VISAR and DISAR system, the velocity-per-fringe constants of VISAR can also be measured through the measurement of the VISAR's delay time, the relatively standard velocity source produced by the fused silica symmetric impacting with a window, or the calibrated VISAR.
- VISAR /
- DISAR /
- fused silica /
- shock wave

Barker L M, Schuler K W. Correction to the Velocity-per-Fringe Relationship for the VISAR Interferometer [J]. J Appl Phys, 1974, 45(8): 3692-3693.

Malitson I H. Interspecimen Compsrison of the Refractive Index of Fused Silica [J]. J Opt Soc Am, 1965, 55(10): 1205-1209.

Setchell R E. Index of Refracton of Shock-Compressed Fused Silica and Sapphire [J]. J Appl Phys, 1979, 50(12): 8186-8192.

Barker L M, Hollenbach R E. Shock-Wave Studies of PMMA, Fused Silica, and Sapphire [J]. J Appl Phys, 1970, 41(10): 4208-4226.

Setchell R E. Index of Refraction of Shock-Compressed Fused Silica and Sapphire [J]. J Appl Phys, 1979, 50(12): 8186-8192.

Weng J D, Tan H, Hu S L, et al. New All-Fiber Velocimeter [J]. Rev Sci Instrum, 2005, 76(9): 093301.

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