Optical breakdown of silicate glasses under conditions of two-photon absorption of laser radiation

Glebov, Leonid; Efimov, Oleg M.; Petrovskiĭ, G. T.; Rogovtsev, P. N.

doi:10.1070/qe1983v013n07abeh004541

Cited by 7 publications

(2 citation statements)

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“…Dependencies of the damage thresholds in industrial lead-silicate (x) and high purity alkalisilicate (0) glasses on the photon energy of laser radiation 17. …”

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Single- and multiple-pulse laser-induced breakdown in transparent dielectrics in the femto-nanosecond region

2004

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This review is devoted to a long-term investigation into the nature of the laser-induced damage of silicate glasses. As an important result, we show that the threshold power density of the intrinsic damage of the boro-silicate glass at -1 tm wavelength does not depend on pulse duration from 2x1013 to 3x108 s as long as self-focusing is avoided. This result cannot be explained by existing theories and indicates that the damage mechanism involves a collective response of a certain volume in the dielectric as a whole, rather than the accumulation of electrons via individual generation processes like multiphoton, tunneling, or avalanche. Special attention in the research was paid to investigation into the processes ofmultiple pulse damage and subthreshold modification ofboro-and lead-silicate glasses.

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“…Dependencies of the damage thresholds in industrial lead-silicate (x) and high purity alkalisilicate (0) glasses on the photon energy of laser radiation 17. …”

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confidence: 99%

Single- and multiple-pulse laser-induced breakdown in transparent dielectrics in the femto-nanosecond region

2004

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“…In this paper we have measured the intrinsic LID threshold of borosilicate glass (BK7 in Schott nomenclature) under femtosecond laser pulses at a wavelength of 0.8 m. It is known that the LID threshold of wide band gap silicate glasses is changed insignificantly with wavelength in the region 0.53− 1.06 m [17]. This fact allowed us to compare the thresholds at 0.8 and 1.06 m for the 0.2 ps -30 ns pulse durations.…”

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confidence: 99%

Intrinsic single- and multiple-pulse laser-induced damage in silicate glasses in the femtosecond-to-nanosecond region

2004

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We show that the threshold power density of the intrinsic laser-induced damage in borosilicate glass at ϳ1 m wavelength does not depend on pulse duration from 2 ϫ 10 −13 to 3 ϫ 10 −8 s and has the same value for both single-and multiple-pulse exposure of the sample. This indicates that the mechanism of the intrinsic damage in glasses involves a collective response of a certain volume in the dielectric as a whole, such as "dielectric-metal" phase transition, rather than a process of individual generation and accumulation of electrons, such as multiphoton, tunneling, or avalanche. Also, we demonstrate that under femtosecond exposure the threshold of the plasma formation in transparent glasses is considerably higher than the threshold of the residual change of medium parameters.

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Laser-induced ionization and intrinsic breakdown of wide band-gap solids

Gruzdev

Chen

2007

Appl. Phys. A

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Optical breakdown of silicate glasses under conditions of two-photon absorption of laser radiation

Cited by 7 publications

References 1 publication

Single- and multiple-pulse laser-induced breakdown in transparent dielectrics in the femto-nanosecond region

Single- and multiple-pulse laser-induced breakdown in transparent dielectrics in the femto-nanosecond region

Intrinsic single- and multiple-pulse laser-induced damage in silicate glasses in the femtosecond-to-nanosecond region

Laser-induced ionization and intrinsic breakdown of wide band-gap solids

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