Study on the electrical potential signals induced by laser plasma in the target with bias-voltage | Zendy

Yunjing Ji | Zendy; Bian Bao-Min | Zendy; Tong Chao-Xia | Zendy; Jian Lü | Zendy

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Study on the electrical potential signals induced by laser plasma in the target with bias-voltage

Author(s) -

Yunjing Ji,

Bian Bao-Min,

Tong Chao-Xia,

Jian Lü

Publication year - 2008

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.57.980

Subject(s) - biasing , voltage , plasma , laser , materials science , electric field , atomic physics , physics , optics , quantum mechanics

The electrical potential signals induced by laser-plasma generated on a copper target with bias-voltage using a Nd:YAG laser (7ns) were detected, and the effect of the additional voltage on the potential signals was mainly studied. The experimental results show a single-peak distribution in the temporal profile, which is positive for negative bias voltage and negative peak when with positive bias voltage. Taking into account the effect of plasma charging and the electric field produced by the target bias-voltage, a clear explanation of the observed effect is given.

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