Formation of micromodifications in a KDP crystal irradiated by tightly focused femtosecond visible laser pulses

Gordienko, Vyacheslav M; Makarov, I. A.; Mikheev, P. M.; Syrtsov, V. S.; Shashkov, A. A.

doi:10.1070/qe2005v035n07abeh008970

Cited by 8 publications

(1 citation statement)

References 5 publications

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“…In the case of dielectrics, it is relatively easy to create micromodifications inside a sample. Due to the large band gap (~10 eV), plasma is produced only in the waist of the laser beam, which will make it possible to create micromodifications of micrometer size under the tight (NA > 0.3) focusing of femtosecond laser radiation [90]. Under such high values of DED, in addition to micromodification formation, multimegabar shock waves are generated, and a cascade of phase transitions occurs.…”

Section: Optimization Of Deposited Energy Density In the Process Of F...mentioning

confidence: 99%

High-Power Solid-State Near- and Mid-IR Ultrafast Laser Sources for Strong-Field Science

et al. 2022

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This review highlights the development of ultrafast sources in the near- and middle-IR range, developed in the laboratory of Nonlinear Optics and Superstrong Laser Fields at Lomonosov Moscow State University. The design of laser systems is based on a powerful ultrafast Cr:Forsterite system as a front-end and the subsequent nonlinear conversion of radiation into the mid-IR, THz, and UV spectral range. Various schemes of optical parametric amplifiers based on oxide and non-oxide crystals pumped with Cr:Forsterite laser can receive pulses in the range of 4–6 µm with gigawatt peak power. Alternative sources of mid-IR ultrashort laser pulses at a relatively high (MHz) repetition rate are also proposed as difference frequency generators and as a femtosecond mode-locked oscillator based on an Fe:ZnSe crystal. Iron ion-doped chalcogenides (Fe:ZnSe and Fe:CdSe) are shown to be effective gain media for broadband high-peak power mid-IR pulses in this spectral range. The developed sources pave the way for advanced research in strong-field science.

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Section: Optimization Of Deposited Energy Density In the Process Of F...mentioning

confidence: 99%

High-Power Solid-State Near- and Mid-IR Ultrafast Laser Sources for Strong-Field Science

et al. 2022

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THG in dielectrics using low-energy tightly-focused ir femtosecond laser: third-order nonlinearity measurements and the evolution of laser-induced plasma

et al. 2009

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Second harmonic generation of femtosecond radiation from a Cr:forsterite laser in a nonlinear-optical crystal at the plasma-formation threshold

et al. 2007

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Formation of micromodifications in a KDP crystal irradiated by tightly focused femtosecond visible laser pulses

Cited by 8 publications

References 5 publications

High-Power Solid-State Near- and Mid-IR Ultrafast Laser Sources for Strong-Field Science

High-Power Solid-State Near- and Mid-IR Ultrafast Laser Sources for Strong-Field Science

THG in dielectrics using low-energy tightly-focused ir femtosecond laser: third-order nonlinearity measurements and the evolution of laser-induced plasma

Second harmonic generation of femtosecond radiation from a Cr:forsterite laser in a nonlinear-optical crystal at the plasma-formation threshold

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