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Journal ArticleDOI

The generation of intense, transform-limited laser pulses with tunable duration from 6 to 30 fs in a differentially pumped hollow fibre

TLDR
In this paper, the authors investigated the energy transmission and spectral broadening of 30-fs, 700-μJ laser pulses in a neon-filled, 250-μm inner diameter hollow fibre.
Abstract
We have investigated experimentally the energy transmission and spectral broadening of 30-fs, 700-μJ laser pulses in a neon-filled, 250-μm inner diameter hollow fibre. We implement a differentially pumped fibre, where a vacuum is maintained at the fibre entrance, and compare this to a statically filled fibre. We obtain significantly higher transmission and increased spectral broadening in the differentially pumped case due to a reduction of ionisation defocusing at the fibre entrance. This arrangement provides a method for the generation of near-transform- limited pulses with smoothly varying pulse duration whilst maintaining constant pulse energy, by simple adjustment of the gas pressure. Compression of ∼450-μJ pulses from the differentially pumped fibre to a duration of 6.5 fs has been achieved for pulses with spectra spanning 650–900 nm, by use of negatively dispersive chirped mirrors.

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Citations
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Journal ArticleDOI

Attosecond physics at the nanoscale

TL;DR: In this paper, a comprehensive experimental and theoretical overview of physics that takes place when short and intense laser pulses interact with nanosystems, such as metallic and dielectric nanostructures, is presented.
Journal ArticleDOI

Half-cycle cutoffs in harmonic spectra and robust carrier-envelope phase retrieval

TL;DR: In this paper, the first experimental observation of high-order harmonic emission at individual half-cycles of a laser pulse was reported, and it was shown that these half-cycle emissions are extremely sensitive to the carrier-envelope phase (CEP) stabilization and few-cycle laser systems.
Journal ArticleDOI

High-energy pulse self-compression and ultraviolet generation through soliton dynamics in hollow capillary fibres

TL;DR: In this paper, the authors demonstrate optical soliton dynamics in large-core hollow capillary fibres and demonstrate the creation of sub-femtosecond field waveforms for high-power optical attosecond pulse generation.
Journal ArticleDOI

Invited Review Article: Technology for Attosecond Science

TL;DR: A complete technological system at Imperial College London for Attosecond Science studies, which comprises a few-cycle, carrier envelope phase stabilized laser source which delivers sub 4 fs pulses to a vibration-isolated attosecond vacuum beamline, is described.
References
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Book

Nonlinear Fiber Optics

TL;DR: The field of nonlinear fiber optics has advanced enough that a whole book was devoted to it as discussed by the authors, which has been translated into Chinese, Japanese, and Russian languages, attesting to the worldwide activity in the field.
Journal ArticleDOI

Intense few-cycle laser fields: Frontiers of nonlinear optics

TL;DR: In this article, the authors present the landmarks of the 30-odd-year evolution of ultrashort-pulse laser physics and technology culminating in the generation of intense few-cycle light pulses and discuss the impact of these pulses on high-field physics.
Journal ArticleDOI

Generation of high-energy 10-fs pulses by a new pulse compression technique

TL;DR: In this article, a novel laser pulse compression technique for Ti:sapphire chirped pulse laser amplifiers, based on spectral broadening in a hollow cylindrical quartz fiber filled with noble gases at high pressure, was presented.
Journal ArticleDOI

The physics of attosecond light pulses

TL;DR: In this paper, the authors make corrections to three equations in the above article and see the PDF file for full details of the corrections. But they do not make any changes to the equations themselves.
Journal ArticleDOI

Probing Proton Dynamics in Molecules on an Attosecond Time Scale

TL;DR: In this article, a technique that uses high-order harmonic generation in molecules to probe nuclear dynamics and structural rearrangement on a sub-femtosecond time scale was demonstrated.
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