Demonstration of the 101st harmonic generated from a laser-produced manganese plasma

Ganeev, R. A.; Bom, L. B. Elouga; Kieffer, Jean‐Claude; Suzuki, Masayuki; Kuroda, Hiroto; Ozaki, T.

doi:10.1103/physreva.76.023831

Cited by 83 publications

(42 citation statements)

References 22 publications

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“…This was confirmed in multiple studies following the initial observation of this phenomenon in indium plasma [19]. In particular, strong enhancement of a single harmonic was reported in Cr [20] and Mn [9] plasmas. The Mn plasma is of special interest since it showed the highest harmonic cut-off energy observed in plasma plumes (101 st harmonic of Ti:sapphire laser [9]).…”

Section: Isolated Sub-femtosecond Xuv Pulse Generation In Mn Plasmasupporting

confidence: 60%

“…The extension of the harmonic cut-off exceeding the 71 st order is attributed to the involvement of doubly charged Mn ions as the sources of HHG. This feature of Mn plasma harmonics has already been reported earlier [9]. Here also presented a typical image of a Mn harmonic spectrum in the case of 3.5 fs pulses (Figure 7(b)).…”

Section: −2supporting

confidence: 50%

“…The maximum harmonic order, or the cut-off frequency (CF), obtained in plasma media to date varies from the sixties to seventies harmonics of fundamental frequency [12] of Ti:sapphire laser. The highest-order harmonics (the 101 st harmonic, λ = 7.9 nm) have been obtained in manganese plasmas [9]. The efficiency of conversion in the plateau region amounts to ~10 −5 [10].…”

Section: Studies Of Hhg Cut-off In Silver Irradiated By Femtosecond Pmentioning

confidence: 99%

“…The plasma HHG was observed with the large number of periodic table elements having usually small and middle atomic numbers [7][8][9][10][11][12]. As a rule, the interaction medium is a laser plasma that is prepared by irradiation of metal surface by picosecond pulses.…”

Section: Studies Of Hhg Cut-off In Silver Irradiated By Femtosecond Pmentioning

confidence: 99%

“…The Mn plasma is of special interest since it showed the highest harmonic cut-off energy observed in plasma plumes (101 st harmonic of Ti:sapphire laser [9]). In previous studies, multi-cycle (30 fs [9] and 140 fs [21]) laser pulses were employed and the generation of all harmonics in the plateau was observed together with a strongly enhanced harmonics in the vicinity of 50 eV.…”

Section: Isolated Sub-femtosecond Xuv Pulse Generation In Mn Plasmamentioning

confidence: 99%

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New Approaches in Frequency Conversion of Laser Radiation in Plasma Plumes

Ganeev¹

2013

OPJ

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Recent studies of plasma harmonic generation are reviewed. We show the advances of this technique for generation of coherent ultrashort pulses in the extreme ultraviolet range. Among the achievements highlighted in this review are the comparative experimental and theoretical studies of high-order harmonic generation in silver plasma, isolated subfemtosecond pulse generation in Mn plasma ablation, stable generation of high-order harmonics of femtosecond laser radiation from laser produced plasma plumes at 1 kHz pulse repetition rate, and high-order harmonic generation in fullerenes using few-and multi-cycle pulses of different wavelengths. We show that new developments of plasma harmonic studies can lead to the creation of an attractive field of laser ablation induced high-order harmonic generation spectroscopy.

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Section: Isolated Sub-femtosecond Xuv Pulse Generation In Mn Plasmasupporting

confidence: 60%

Section: −2supporting

confidence: 50%

Section: Studies Of Hhg Cut-off In Silver Irradiated By Femtosecond Pmentioning

confidence: 99%

Section: Studies Of Hhg Cut-off In Silver Irradiated By Femtosecond Pmentioning

confidence: 99%

Section: Isolated Sub-femtosecond Xuv Pulse Generation In Mn Plasmamentioning

confidence: 99%

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New Approaches in Frequency Conversion of Laser Radiation in Plasma Plumes

Ganeev¹

2013

OPJ

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Generation of harmonics of laser radiation in plasmas

Ganeev

2012

Laser Phys. Lett.

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The review of studies of the high-order harmonic generation of laser radiation in laser-produced plasma describes the developments in this field during last half decade. We show that this approach in frequency conversion of laser radiation towards the extreme ultraviolet range became matured during multiple sets of studies carried out in many laboratories worldwide and demonstrated new opportunities for efficient generation of strong coherent short-wavelength radiation. Harmonic intensity, arb. units ×10 4 0 1 2 3 4 5 40 50 60 70 80 90 Wavelength, nm Carbon aerogel 9H 11H 13H 15H 17H 19HComparison of the HHG spectra of carbon aerogel plasma in the cases of single color pump (thin curves) and two color pump (thick curves) Early studies of plasma-induced harmonicsThe high-order harmonic generation (HHG) from moderate-level femtosecond laser pulses allows producing coherent radiation in the extreme ultraviolet (XUV) spectral range. During last twenty-five years, predominantly rare gases were employed as target media for HHG, which, however, imposed some physical and practical limits on the performance of these coherent XUV sources. So far only low conversion efficiencies of HHG have been reported using gases as the nonlinear media, despite the enormous efforts. For practical applications of high-order harmonic sources, higher conversion efficiency and thus an increase in the photon flux and also of the maximum photon energy of the harmonic radiation would be beneficial. The generation of high-order harmonics in laser-produced plasmas, being for this purpose a relatively new and largely unexplored medium, promises to yield these advances.The application of laser plasma as a nonlinear optical medium for frequency conversion came up at the beginning of nineties with the aim to optimize HHG light sources. The idea was based on the use of larger ionization potentials of alkali ions as compared to noble gases. The use of such plasma was aimed to improve the HHG phase matching conditions, increase the concentration of excited ions and neutrals in plasma, which thought to be a right way for amendments of harmonic yield. In the meantime, those first experiments on HHG in the passage of laser ra-

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High-Order Harmonic Generation in Plasmas Using High-Pulse Repetition Rate Lasers

Ganeev

2022

Springer Series on Atomic, Optical, and Plasma Physics

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Demonstration of the 101st harmonic generated from a laser-produced manganese plasma

Cited by 83 publications

References 22 publications

New Approaches in Frequency Conversion of Laser Radiation in Plasma Plumes

New Approaches in Frequency Conversion of Laser Radiation in Plasma Plumes

Generation of harmonics of laser radiation in plasmas

High-Order Harmonic Generation in Plasmas Using High-Pulse Repetition Rate Lasers

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