A novel line-imaging velocity interferometer for shock diagnostics

liu shouxian; li zeren; peng qixian; chen guanghua; liu jun; yuan shuyun

Volume 21 Issue 02

Feb. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(02): 0-

du guangxing, qian baoliang. Side focusing fields generated by offset-pole periodic cusped magnets[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

liu shouxian, li zeren, peng qixian, et al. A novel line-imaging velocity interferometer for shock diagnostics[J]. High Power Laser and Particle Beams, 2009, 21.

du guangxing, qian baoliang. Side focusing fields generated by offset-pole periodic cusped magnets[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

liu shouxian, li zeren, peng qixian, et al. A novel line-imaging velocity interferometer for shock diagnostics[J]. High Power Laser and Particle Beams, 2009, 21.

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A novel line-imaging velocity interferometer for shock diagnostics

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-109,Mianyang 621900,China

Publish Date: 2009-02-15

Abstract

Abstract

A novel line-imaging velocity interferometer was developed and implemented, which is suited for small scale specimens shock wave experiments. Using a combination of fiber array, electron-multiplier phototube and digital oscilloscope for recording a comb fringe signal, the velocimeter was capable of 1 ns time resolution and 86 μm spatial resolution. Velocity measurement for Al flyer driven by laser was implemented to test this system. The results showed that the flyer has a 20 ns acceleration history and 14.8 mrad planarity. The experiment confirmed that the new system is valuable for temporal-spatial shock diagnositics.
- laser interferometer,
- line-imaging,
- shock diagnostics,
- velocity

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