A “comb” structure measurement of a micrometer displacement in laser plasma propulsion

Z. Y. Zheng; L. Gao; H. Gao; J. Xing; X. W. Wu

doi:10.1007/s00339-014-8597-7

A “comb” structure measurement of a micrometer displacement in laser plasma propulsion

Z. Y. Zheng, L. Gao, H. Gao, J. Xing, X. W. Wu

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A “comb” structure of beam intensity distribution is achieved to measure target displacements at the micrometer level in laser plasma propulsion experiments. Compared with single-beam and double-beam detection, the “comb” structure is more suitable for a thin film targets with a velocity lower than 10⁻² m/s. Combined with a light-electric monitor, the “comb” structure can be used to measure a velocity range from 10⁻³ to 1 m/s. Using this “comb” structure, the coupling coefficient of aluminum ablated by nanosecond pulse laser in air is determined and compared. The results indicate that this “comb” structure is an effective experimental approach.

Original language	English
Pages (from-to)	1577-1581
Number of pages	5
Journal	Applied Physics A: Materials Science and Processing
Volume	117
Issue number	3
DOIs	https://doi.org/10.1007/s00339-014-8597-7
State	Published - Oct 17 2014
Externally published	Yes

Funding

This work was supported by the National Natural Science Foundation of China (Grant No. 10905049) and Fundamental Research Funds for the Central Universities (2562011256, 2562010050).

Funders	Funder number
National Natural Science Foundation of China	10905049
Fundamental Research Funds for the Central Universities	2562010050, 2562011256

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abstract = "A “comb” structure of beam intensity distribution is achieved to measure target displacements at the micrometer level in laser plasma propulsion experiments. Compared with single-beam and double-beam detection, the “comb” structure is more suitable for a thin film targets with a velocity lower than 10−2 m/s. Combined with a light-electric monitor, the “comb” structure can be used to measure a velocity range from 10−3 to 1 m/s. Using this “comb” structure, the coupling coefficient of aluminum ablated by nanosecond pulse laser in air is determined and compared. The results indicate that this “comb” structure is an effective experimental approach.",

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AU - Xing, J.

AU - Wu, X. W.

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AB - A “comb” structure of beam intensity distribution is achieved to measure target displacements at the micrometer level in laser plasma propulsion experiments. Compared with single-beam and double-beam detection, the “comb” structure is more suitable for a thin film targets with a velocity lower than 10−2 m/s. Combined with a light-electric monitor, the “comb” structure can be used to measure a velocity range from 10−3 to 1 m/s. Using this “comb” structure, the coupling coefficient of aluminum ablated by nanosecond pulse laser in air is determined and compared. The results indicate that this “comb” structure is an effective experimental approach.

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A “comb” structure measurement of a micrometer displacement in laser plasma propulsion

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