Sweep speed and its nonlinearity calibration for an image—converter tube streak camera

CHANG Li-hua; LIU Ning-wen; PENG Qi-xian; LIU Shou-xian; LI Jun

Image-converter tube streak cameras are commonly used in study on ultra-high speed physical phenomena.The sweep speed and its nonlinearity are main parameters of an image-converter tube streak camera and its accuracy has great effect on experimental results of ultra-high speed physical phenomena.The cause of nonlinearity was explained in theory.A method was introduced to calibrate the sweep speed and its nonlinearity,in which a picosecond light pulse source,an etalon and a high precision time delay device was used.Better experimental results were obtained with ±3.52% maximum nonlinearity of the sweep speed and its relative error of measurement was ±1.4%,which improved the reliability of experimental data processing and analysis effectively.

Corresponding author: CHANG Li-hua, clhww@tom.com;

1. Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China

Received Date: 2011-08-11

Accepted Date: 2011-09-08

Available Online: 2012-05-25

Abstract: Image-converter tube streak cameras are commonly used in study on ultra-high speed physical phenomena.The sweep speed and its nonlinearity are main parameters of an image-converter tube streak camera and its accuracy has great effect on experimental results of ultra-high speed physical phenomena.The cause of nonlinearity was explained in theory.A method was introduced to calibrate the sweep speed and its nonlinearity,in which a picosecond light pulse source,an etalon and a high precision time delay device was used.Better experimental results were obtained with ±3.52% maximum nonlinearity of the sweep speed and its relative error of measurement was ±1.4%,which improved the reliability of experimental data processing and analysis effectively.

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Reference (10)

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Sweep speed and its nonlinearity calibration for an image—converter tube streak camera

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References

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