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pengyu zhou

at zhongguokexueyuanxianguangjisuo

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Proceedings Article | 8 October 2015 Paper

A new design of filter system in streak camera

Pengyu Zhou, Yonglin Bai

Proceedings Volume 9677, 967716 (2015) https://doi.org/10.1117/12.2199534

KEYWORDS: Camera shutters, Optical filters, Streak cameras, Imaging systems, Cameras, Control systems, Signal generators, Ultrafast phenomena, Magnetism, Transformers

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In order to reduce the frequency of researchers routing in and out of the testing site and ensure the fluency of the testing we design a new filter system applied to the streak cameras. This system promotes streak cameras’ abilities on spatial discrimination and time resolution. This paper focuses on the instruction of the piezoelectric motor’s principle based on field-effect tubes. Filter wheel is driven by piezoelectric motor. It can effectively avoid the influences of high field produced by streak tube. Finally we achieve auto regulation at different gears and promote the efficiency of operations and guarantee the safety of researchers. CD4046 introduces the driven clock of this system and we use an inverter to get two synchronous inverted signals. These signals are amplified by field-effect tubes to more than 300V. The amplified ones are integrated at the output terminals to generate sinusoidal signal. The test shows that in this filter system piezoelectric motor operates at its resonance frequency under a control signal of 62.5 KHz. Its working current is 1.9A and driving power is almost 10W. By adjusting the gears, the filter wheel costs less than 2 seconds to calibrate. We accomplish the test in respected results.

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