Progress in chirped pulse optical parametric amplifiers

Butkus, R.; Danielius, R.; Dubietis, A.; Piskarskas, A.; Stabinis, A.

doi:10.1007/s00340-004-1614-3

Cited by 110 publications

(31 citation statements)

References 60 publications

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“…37 shows that HHG is suppressed for I > I M , which proves that it is absolutely necessary to avoid any effect of the pedestal to produce high order harmonics at high intensity [88]. For this reason, the issue of the temporal contrast has kept hindering the experimental study of HHG in dense plasmas, until efficient tools to improve this contrast were developed a few years ago [89][90][91][92][93].…”

Section: A Experimental Toolsmentioning

confidence: 99%

High-order harmonic and attosecond pulse generation on plasma mirrors: basic mechanisms

Thaury¹,

Quéré²

2010

J. Phys. B: At. Mol. Opt. Phys.

205

199

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To cite this version:Cédric Thaury, F Quéré. High-order harmonic and attosecond pulse generation on plasma mirrors: basic mechanisms. Journal of Physics B: Atomic, Molecular and Optical Physics, IOP Publishing, 2010, 43 (21) When an intense femtosecond laser pulse hits an optically-polished surface, it generates a dense plasma that itself acts as a mirror, known as a plasma mirror. As this mirror reflects the highintensity laser field, its non-linear temporal response can lead to a periodic temporal distortion of the reflected wave, associated to a train of attosecond light pulses, and, in the frequency domain, to the generation of high-order harmonics of the laser. This paper presents detailed theoretical and numerical analysis of the two dominant harmonic generation mechanisms identified so far, Coherent Wake Emission and the Relativistic Oscillating Mirror. Parametric studies of the emission efficiency are presented in these two regimes, and the phase properties of the corresponding harmonics are discussed. This theoretical study is complemented by a synthesis of recent experimental results, which establishes that these two mechanisms indeed dominate harmonic generation on plasma mirrors.

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Section: A Experimental Toolsmentioning

confidence: 99%

High-order harmonic and attosecond pulse generation on plasma mirrors: basic mechanisms

Thaury¹,

Quéré²

2010

J. Phys. B: At. Mol. Opt. Phys.

205

199

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“…An appearance of new hight-power femtosecond laser sources in MID-IR wavelength region [1] leads to an active research of MID-IR laser filamentation regimes in both, condensed transparent dielectrics [2,3] and gases [4][5][6]. The wavelengths from 2.5 to 4 µm correspond to the anomalous group velocity (GVD) region in a large number if optical materials (silica glass, CaF 2 , BaF 2 , LiF, YAG).…”

Section: Abstract the Formation Of Light Bullets In Mid-ir Femtosecomentioning

confidence: 99%

Light bullets formation accompanied by odd harmonics generation under Mid-IR femtosecond filamentation in LiF

Smetanina

2017

EPJ Web Conf.

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Abstract. The formation of light bullets in mid-IR femtosecond filamentation is investigated numerically by means of the unidirectional pulse propagation equation (UPPE). A general approach for light bullets formation is presented for condensed media under anomalous GVD. The main parameters of the light bullets are evaluated. The features of super continuum and odd harmonic generation accompanying the light bullets formation are analyzed.

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“…In the recent years, there are many rapid progresses of laser technologies, especially the optical parametric amplification (OPA) [36,37] technology that makes tuning of the laser wavelength fairly easy and quick. Thus, combining advanced OPA technology with variable-gap undulators and HGHG technique, a fully-tunable seeded FEL becomes possible and has been recently demonstrated at the Shanghai Deep Ultraviolet Free-electron Laser test facility (SDUV-FEL) [38].…”

Section: Introductionmentioning

confidence: 99%

Demonstration of a widely-tunable and fully-coherent high-gain harmonic-generation free-electron laser

Liu¹,

Li²,

Chen³

et al. 2013

Phys. Rev. ST Accel. Beams

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Free-electron lasers (FELs) are fourth-generation light sources that deliver extremely high intensity, ultrashort light pulses over a broad wavelength range from far-infrared to hard x ray. FELs based on the self-amplified spontaneous emission principle have been successfully operated with ultrahigh brightness and a broad wavelengths tuning range with good transverse coherence but poor temporal coherence. In contrast, the laser-seeded FELs have provided full coherence but at selected central wavelengths, usually the harmonics of the laser seeds, with relatively narrower tuning range. We report the experimental demonstration of a high-gain harmonic-generation (HGHG) FEL that is continuously tunable over a wide range using the combination of optical parametrical amplification, variable-gap undulator, and harmonic selection, where the temporal coherence is preserved as confirmed with the Michelson interferometry. In order to achieve higher photon energies, the first try of cascaded HGHG with a fresh-bunch technique is also made at the Shanghai Deep Ultraviolet Free-electron Laser test facility.

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Progress in chirped pulse optical parametric amplifiers

Cited by 110 publications

References 60 publications

High-order harmonic and attosecond pulse generation on plasma mirrors: basic mechanisms

High-order harmonic and attosecond pulse generation on plasma mirrors: basic mechanisms

Light bullets formation accompanied by odd harmonics generation under Mid-IR femtosecond filamentation in LiF

Demonstration of a widely-tunable and fully-coherent high-gain harmonic-generation free-electron laser

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