Compact 6-mJ multi-plate pulse compression based on line focusing geometry

Carpeggiani, Paolo; Fan, Guangyu; Tao, Zhensheng; Coccia, G.; Zhang, Shuai; Fu, Zongyuan; Chen, M. C.; Liu, S. C.; Kung, A. H.; Kaksis, Edgar; Pugžlys, Audrius; Baltuška, Andrius

doi:10.1364/assl.2019.jth3a.50

Cited by 4 publications

(4 citation statements)

References 9 publications

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“…Also, the gas-filled waveguide is in general implemented in a vacuum system which adds bulk and complexity to the setup. To overcome these disadvantages, we propose to use the newly developed technique based on multi-plate spectral broadening [34][35][36][37][38][39][40][41][42] . This technique uses several pieces of thin fused silica plates, each with a thickness of a few hundred of micrometers, placed after the focus of the fundamental laser beam to broaden the spectral of the input pulse through SPM while avoiding the breakdown and the spatial distortion in the medium due to self-focusing and conical diffraction [43,44] .…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Compact and robust supercontinuum generation and post-compression using multiple thin plates

Xie

Deng

Johnson

2021

High Pow Laser Sci Eng

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We report on compact and robust supercontinuum generation and post-compression using transmission of light through multiple thin solid plates at the SwissFEL x-ray free-electron laser facility. A single stage consisting of three thin plates followed by a chirped mirror compressor achieves compression of initially 30 fs pulses with 800 nm center wavelength to sub-10 fs duration. We also demonstrate a two-stage implementation to compress the pulses further to sub-5 fs duration. With the two-stage setup, the generated supercontinuum includes wavelengths ranging from 500 nm to 1100 nm. The multi-plate setup is compact, robust, and stable which makes it ideal for applications at free-electron laser facilities such as pump-probe experiments and laser-arrival timing tools.

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Section: Accepted Manuscriptmentioning

confidence: 99%

Compact and robust supercontinuum generation and post-compression using multiple thin plates

Xie

Deng

Johnson

2021

High Pow Laser Sci Eng

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“…These techniques are perfectly suited to compressing the ultrashort pulses from Yb thin-disc oscillators and pulses from amplified Yb laser systems, with energies from several microjoules to several millijoules; see, e.g., [20]. Typically, the SPM-induced spectral broadening of pulses with an energy of several hundreds of nanojoules is usually performed in highly nonlinear fibers [21][22][23].…”

Section: Introductionmentioning

confidence: 99%

All-Solid-State Post-Compression of Low-Energy Pulses at High Repetition Rate

Marčiulionytė,

Banys,

Vengelis

et al. 2024

Photonics

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We demonstrate a proof of principle of a simple all-solid-state post-compression setup for low-energy, high-repetition-rate laser pulses, where spectral broadening was performed using a combination of highly nonlinear bulk materials in a simple single-pass geometry. The 75 fs, 210 nJ pulses from an amplified 76 MHz, 15.7 W Yb:KGW oscillator after sequential spectral broadening in ZnS and YAG samples of 2 mm and 15 mm thickness, respectively, were compressed to 37 fs by means of Gires–Tournois interferometric mirrors. The post-compressed pulses with an average power of 11.47 W demonstrated reasonable spatial-spectral homogeneity of the beam with the spectral overlap parameter V>83% and good beam quality with Mx2=1.28 and My2=1.14.

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“…Additionally, gas-filled waveguide setups are generally implemented in vacuum systems, adding bulk and complexity to the experimental setup. A newly developed all-solid free-space technique based on multi-plate spectral broadening can overcome these disadvantages [27][28][29][30][31][32][33][34][35][36][37]. This technique utilizes thin fused silica plates with thicknesses of a few hundred micrometers to broaden the spectrum of the input pulse through cascaded SPM while avoiding breakdown and spatial distortion in the medium due to self-focusing and conical diffraction [38,39].…”

Section: Introductionmentioning

confidence: 99%

Generation of 210 GW few-cycle ultraviolet laser pulses

Xie,

Yi,

deng

et al. 2023

Preprint

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We demonstrate generation, spectral broadening, and post-compression of ultraviolet pulses using a thin BBO crystal on a fused silica substrate as the nonlinear interaction medium. By combining the second harmonic generation in the BBO crystal with self-phase modulation in the fused silica substrate, we efficiently generated broadband ultraviolet pulses and subsequently compress the pulses to a duration of 5 fs, achieving a peak power of 210 GW. The all-solid free-space apparatus is compact and robust, and can be scaled for higher powers, making it highly advantageous for generating intense ultraviolet pulses in the few-cycle regime. Furthermore, our method can be applied generally to achieve spectral broadening and pulse compression of ultraviolet and visible pulses through the utilization of thin nonlinear media for harmonic generation and self-phase modulation. Our work presents a significant step forward in the generation of high-power, broadband, ultrashort ultraviolet pulses, and opens up exciting possibilities for future research and applications in the realm of nonlinear physics and ultrafast science.

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Compact 6-mJ multi-plate pulse compression based on line focusing geometry

Cited by 4 publications

References 9 publications

Compact and robust supercontinuum generation and post-compression using multiple thin plates

Compact and robust supercontinuum generation and post-compression using multiple thin plates

All-Solid-State Post-Compression of Low-Energy Pulses at High Repetition Rate

Generation of 210 GW few-cycle ultraviolet laser pulses

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