Spectral control of high-harmonic generation via drive laser pulse shaping in a wide-diameter capillary

S.J. Goh, Johan Reinink, Y. Tao, Petrus J.M. van der Slot, Hubertus M.J. Bastiaens, Jennifer Lynn Herek, S.G. Biedron, S.V. Milton, Klaus J. Boller

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Abstract

We experimentally investigate spectral control of high-harmonic generation in a wide-diameter (508 μm) capillary that allows using significantly lower gas pressures coupled with elevated drive laser energies to achieve higher harmonic energies. Using phase shaping to change the linear chirp of the drive laser pulses, we observe wavelength tuning of the high-harmonic output to both larger and smaller values. Comparing tuning via the gas pressure with the amount of blue shift in the transmitted drive laser spectrum, we conclude that both adiabatic and non-adiabatic effects cause pulse-shaping induced tuning of high harmonics. We obtain a fractional wavelength tuning, Δλ/λ, in the range from −0.007 to + 0.01, which is comparable to what is achieved with standard capillaries of smaller diameter and higher pressures.
Original languageEnglish
Pages (from-to)1604-1605
JournalOptics express
Volume24
Issue number2
DOIs
Publication statusPublished - 20 Jan 2016

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harmonic generations
tuning
pulses
harmonics
gas pressure
lasers
chirp
blue shift
wavelengths
low pressure
energy
causes
output

Keywords

  • IR-100105
  • METIS-314668

Cite this

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title = "Spectral control of high-harmonic generation via drive laser pulse shaping in a wide-diameter capillary",
abstract = "We experimentally investigate spectral control of high-harmonic generation in a wide-diameter (508 μm) capillary that allows using significantly lower gas pressures coupled with elevated drive laser energies to achieve higher harmonic energies. Using phase shaping to change the linear chirp of the drive laser pulses, we observe wavelength tuning of the high-harmonic output to both larger and smaller values. Comparing tuning via the gas pressure with the amount of blue shift in the transmitted drive laser spectrum, we conclude that both adiabatic and non-adiabatic effects cause pulse-shaping induced tuning of high harmonics. We obtain a fractional wavelength tuning, Δλ/λ, in the range from −0.007 to + 0.01, which is comparable to what is achieved with standard capillaries of smaller diameter and higher pressures.",
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language = "English",
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Spectral control of high-harmonic generation via drive laser pulse shaping in a wide-diameter capillary. / Goh, S.J.; Reinink, Johan; Tao, Y.; van der Slot, Petrus J.M.; Bastiaens, Hubertus M.J.; Herek, Jennifer Lynn; Biedron, S.G.; Milton, S.V.; Boller, Klaus J.

In: Optics express, Vol. 24, No. 2, 20.01.2016, p. 1604-1605.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Spectral control of high-harmonic generation via drive laser pulse shaping in a wide-diameter capillary

AU - Goh, S.J.

AU - Reinink, Johan

AU - Tao, Y.

AU - van der Slot, Petrus J.M.

AU - Bastiaens, Hubertus M.J.

AU - Herek, Jennifer Lynn

AU - Biedron, S.G.

AU - Milton, S.V.

AU - Boller, Klaus J.

N1 - Open access

PY - 2016/1/20

Y1 - 2016/1/20

N2 - We experimentally investigate spectral control of high-harmonic generation in a wide-diameter (508 μm) capillary that allows using significantly lower gas pressures coupled with elevated drive laser energies to achieve higher harmonic energies. Using phase shaping to change the linear chirp of the drive laser pulses, we observe wavelength tuning of the high-harmonic output to both larger and smaller values. Comparing tuning via the gas pressure with the amount of blue shift in the transmitted drive laser spectrum, we conclude that both adiabatic and non-adiabatic effects cause pulse-shaping induced tuning of high harmonics. We obtain a fractional wavelength tuning, Δλ/λ, in the range from −0.007 to + 0.01, which is comparable to what is achieved with standard capillaries of smaller diameter and higher pressures.

AB - We experimentally investigate spectral control of high-harmonic generation in a wide-diameter (508 μm) capillary that allows using significantly lower gas pressures coupled with elevated drive laser energies to achieve higher harmonic energies. Using phase shaping to change the linear chirp of the drive laser pulses, we observe wavelength tuning of the high-harmonic output to both larger and smaller values. Comparing tuning via the gas pressure with the amount of blue shift in the transmitted drive laser spectrum, we conclude that both adiabatic and non-adiabatic effects cause pulse-shaping induced tuning of high harmonics. We obtain a fractional wavelength tuning, Δλ/λ, in the range from −0.007 to + 0.01, which is comparable to what is achieved with standard capillaries of smaller diameter and higher pressures.

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KW - METIS-314668

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JO - Optics express

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