2019
DOI: 10.1103/physrevapplied.12.054043
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Beating Optical-Turbulence Limits Using High-Peak-Power Lasers

Abstract: We experimentally demonstrate the ability of a nonlinear self-channeling beam to resist turbulence-induced spreading and scintillation. Spatio-temporal data is presented for an 850-meter long, controlled turbulence range that can generate weak to strong turbulence on demand. At this range, the effects of atmospheric losses and dispersion are significant. Simulation results are also presented and show good agreement with experiment.

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Cited by 12 publications
(2 citation statements)
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“…High peak powers are typically accessed through a short pulse and thus a large bandwidth. The effects of groupvelocity dispersion (GVD) in the atmosphere are critical to long-distance propagation, and a 50 fs transform-limited pulse would double in length within the first 100 m of propagation in air [24]. We chose a typical pulse duration for the filamentation experiment [17,25], which was 50 fs (full width at half maximum, FWHM), and the laser beam input diameter at the 1/e 2 of maximal light intensity was 4 mm.…”
Section: Experimental Setup and Methodsmentioning
confidence: 99%
“…High peak powers are typically accessed through a short pulse and thus a large bandwidth. The effects of groupvelocity dispersion (GVD) in the atmosphere are critical to long-distance propagation, and a 50 fs transform-limited pulse would double in length within the first 100 m of propagation in air [24]. We chose a typical pulse duration for the filamentation experiment [17,25], which was 50 fs (full width at half maximum, FWHM), and the laser beam input diameter at the 1/e 2 of maximal light intensity was 4 mm.…”
Section: Experimental Setup and Methodsmentioning
confidence: 99%
“…Helle et al [12] propagated a high-peak power ultra short pulse laser with 800 nm wavelength down a 850 m range capable of generating atmospheric turbulence strengths, characterized using the refractive index structure coefficient 𝐶 2 𝑛 , of 10 −11 𝑚 −2/3 . The range was outfitted by twelve sets of four heater wires, spaced 10 cm apart orthogonal to the propagation direction.…”
Section: Introductionmentioning
confidence: 99%