Mechanisms of femtosecond laser-induced breakdown and damage in MgO

S. Z. Xu; T. Q. Jia; H. Y. Sun; C. B. Li; X. X. Li; D. H. Feng; J. R. Qiu; Z. Z. Xu

doi:10.1016/j.optcom.2005.08.059

Mechanisms of femtosecond laser-induced breakdown and damage in MgO

S. Z. Xu^*
, T. Q. Jia
, H. Y. Sun
, C. B. Li
, X. X. Li
, D. H. Feng
, J. R. Qiu
, Z. Z. Xu

^*Corresponding author for this work

CAS - Shanghai Institute of Optics and Fine Mechanics
The University of Tokyo

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

22 Scopus citations

Abstract

Single-shot laser damage threshold of MgO for 40-986 fs, 800 nm laser pulses is reported. The pump-probe measurements with femtosecond pulses were carried out to investigate the time-resolved electronic excitation processes. A theoretical model including conduction band electrons (CBE) production and laser energy deposition was applied to discuss the roles of multiphoton ionization (MPI) and avalanche ionization in femtosecond laser-induced dielectric breakdown. The results indicate that avalanche ionization plays the dominant role in the femtosecond laser-induced breakdown in MgO near the damage threshold.

Original language	English
Pages (from-to)	274-280
Number of pages	7
Journal	Optics Communications
Volume	259
Issue number	1
DOIs	https://doi.org/10.1016/j.optcom.2005.08.059
State	Published - 1 Mar 2006
Externally published	Yes

Keywords

Avalanche ionization
Femtosecond laser
Laser-induced breakdown
MgO
Time-resolved dynamics

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10.1016/j.optcom.2005.08.059

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title = "Mechanisms of femtosecond laser-induced breakdown and damage in MgO",

abstract = "Single-shot laser damage threshold of MgO for 40-986 fs, 800 nm laser pulses is reported. The pump-probe measurements with femtosecond pulses were carried out to investigate the time-resolved electronic excitation processes. A theoretical model including conduction band electrons (CBE) production and laser energy deposition was applied to discuss the roles of multiphoton ionization (MPI) and avalanche ionization in femtosecond laser-induced dielectric breakdown. The results indicate that avalanche ionization plays the dominant role in the femtosecond laser-induced breakdown in MgO near the damage threshold.",

keywords = "Avalanche ionization, Femtosecond laser, Laser-induced breakdown, MgO, Time-resolved dynamics",

author = "Xu, \{S. Z.\} and Jia, \{T. Q.\} and Sun, \{H. Y.\} and Li, \{C. B.\} and Li, \{X. X.\} and Feng, \{D. H.\} and Qiu, \{J. R.\} and Xu, \{Z. Z.\}",

year = "2006",

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doi = "10.1016/j.optcom.2005.08.059",

language = "英语",

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TY - JOUR

T1 - Mechanisms of femtosecond laser-induced breakdown and damage in MgO

AU - Xu, S. Z.

AU - Jia, T. Q.

AU - Sun, H. Y.

AU - Li, C. B.

AU - Li, X. X.

AU - Feng, D. H.

AU - Qiu, J. R.

AU - Xu, Z. Z.

PY - 2006/3/1

Y1 - 2006/3/1

N2 - Single-shot laser damage threshold of MgO for 40-986 fs, 800 nm laser pulses is reported. The pump-probe measurements with femtosecond pulses were carried out to investigate the time-resolved electronic excitation processes. A theoretical model including conduction band electrons (CBE) production and laser energy deposition was applied to discuss the roles of multiphoton ionization (MPI) and avalanche ionization in femtosecond laser-induced dielectric breakdown. The results indicate that avalanche ionization plays the dominant role in the femtosecond laser-induced breakdown in MgO near the damage threshold.

AB - Single-shot laser damage threshold of MgO for 40-986 fs, 800 nm laser pulses is reported. The pump-probe measurements with femtosecond pulses were carried out to investigate the time-resolved electronic excitation processes. A theoretical model including conduction band electrons (CBE) production and laser energy deposition was applied to discuss the roles of multiphoton ionization (MPI) and avalanche ionization in femtosecond laser-induced dielectric breakdown. The results indicate that avalanche ionization plays the dominant role in the femtosecond laser-induced breakdown in MgO near the damage threshold.

KW - Avalanche ionization

KW - Femtosecond laser

KW - Laser-induced breakdown

KW - MgO

KW - Time-resolved dynamics

UR - https://www.scopus.com/pages/publications/30744443841

U2 - 10.1016/j.optcom.2005.08.059

DO - 10.1016/j.optcom.2005.08.059

M3 - 文章

AN - SCOPUS:30744443841

SN - 0030-4018

VL - 259

SP - 274

EP - 280

JO - Optics Communications

JF - Optics Communications

IS - 1

ER -

Mechanisms of femtosecond laser-induced breakdown and damage in MgO

Abstract

Keywords

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