Dispersion of femtosecond laser pulses in beam pipelines from ambient pressure to 0.1 mbar

Osvay, K.; Börzsönyi, Ádám; Kovács, A. P.; Görbe, M.; Kurdi, G.; Kalashnikov, M. P.

doi:10.1007/s00340-007-2623-9

Cited by 8 publications

(3 citation statements)

References 35 publications

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“…To the authors' knowledge, most of these values have not been reported previously. The second-and third-order dispersion values of air, measured in [16][17][18][19], are in good agreement with our values (from ref. [16] 20.14 ± 0.14 fs 2 /m and 18 ± 15 fs 3 /m, respectively).…”

Section: Gassupporting

confidence: 92%

Group-velocity-dispersion measurements of atmospheric and combustion-related gases using an ultrabroadband-laser source

et al. 2011

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The use of femtosecond-laser sources for the diagnostics of combustion and reacting-flow environments requires detailed knowledge of optical dispersive properties of the medium interacting with the laser beams. Here the second- and third-order dispersion values for nitrogen, oxygen, air, carbon dioxide, ethylene, acetylene, and propane within the 700-900 nm range are reported, along with the pressure dependence of the chromatic dispersion. The effect of dispersion on axial resolution when applied to nonlinear spectroscopy with ultrabroadband pulses is also discussed.

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Section: Gassupporting

confidence: 92%

Group-velocity-dispersion measurements of atmospheric and combustion-related gases using an ultrabroadband-laser source

et al. 2011

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“…This could be important in those cases where fast detection and response is required, most notably, for CEP stabilization. Practically, the spacing of the spectral fringes, or more precisely their deviation from equidistance, is affected by the GDD of the multilayer mirrors [99], the ambient air of the interferometer [100] and beam splitters forming the cavity. Small residual GDD contributions can be removed from the phase extraction by suitable calibration as long as they are static.…”

Section: Multiple-beam Interferometer For Cep Drift Measurementmentioning

confidence: 99%

What We Can Learn about Ultrashort Pulses by Linear Optical Methods

2013

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Spatiotemporal compression of ultrashort pulses is one of the key issues of chirped pulse amplification (CPA), the most common method to achieve high intensity laser beams. Successful shaping of the temporal envelope and recombination of the spectral components of the broadband pulses need careful alignment of the stretcher-compressor stages. Pulse parameters are required to be measured at the target as well. Several diagnostic techniques have been developed so far for the characterization of ultrashort pulses. Some of these methods utilize nonlinear optical processes, while others based on purely linear optics, in most cases, combined with spectrally resolving device. The goal of this work is to provide a review on the capabilities and limitations of the latter category of the ultrafast diagnostical methods. We feel that the importance of these powerful, easy-to-align, high-precision techniques needs to be emphasized, since their use could gradually improve the efficiency of different CPA systems. We give a general description on the background of spectrally resolved linear interferometry and demonstrate various schematic experimental layouts for the detection of material dispersion, angular dispersion and carrier-envelope phase drift. Precision estimations and discussion of potential applications are also provided.

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“…In the complementary spectral domain, this scenario gives rise to the appearance of spectral interference fringes. As each pulse in the produced train experiences an additional round trip in the MBI compared to its predecessor, the spacing of the spectral fringes, or more precisely their deviation from equidistance, is uniquely defined by the group delay dispersion of the multilayer mirrors forming the cavity [9], by the ambient air of the interferometer [10], and by other sources of intracavity dispersion. If all sources of intracavity dispersion are avoided, however, one can reverse the situation.…”

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confidence: 99%

Agile linear interferometric method for carrier-envelope phase drift measurement

et al. 2012

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A bandwidth-independent and linear interferometric method for the measurement of the carrier-envelope phase drift of ultrashort pulse trains is demonstrated. The pulses are temporally overlapped in a resonant multiple-beam interferometer. From the position of the spectral interference pattern, the relative carrier-envelope phase between two subsequent oscillator pulses is obtained at data acquisition rates up to 200 Hz. Cross calibration has been performed by f-to-2f interferometry in two independent experiments. The optical length of the interferometer has been actively stabilized, leading to a phase jitter of 117 mrad (rms). These results indicate a reduced noise and quicker data acquisition in comparison with previous linear methods for measuring the carrier-envelope phase drift.

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Dispersion of femtosecond laser pulses in beam pipelines from ambient pressure to 0.1 mbar

Cited by 8 publications

References 35 publications

Group-velocity-dispersion measurements of atmospheric and combustion-related gases using an ultrabroadband-laser source

Group-velocity-dispersion measurements of atmospheric and combustion-related gases using an ultrabroadband-laser source

What We Can Learn about Ultrashort Pulses by Linear Optical Methods

Agile linear interferometric method for carrier-envelope phase drift measurement

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