1.1  J Yb:YAG picosecond laser at 1  kHz repetition rate

Wang, Yong; Chi, Han; Baumgarten, Cory; Dehne, Kristian; Meadows, Alexander R.; Davenport, Aaron; Murray, Gabe; Reagan, Brendan; Menoni, Carmen S.; Rocca, J. J.

doi:10.1364/ol.413129

Cited by 72 publications

(24 citation statements)

References 26 publications

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“…[111,149,150] Based on the cryogenically cooled Yb:YAG active mirrors and pulsed diode laser pumping, Wang et al reported a laser pulse output of 1 kHz, 4.5 ps, 1.1 J, which is the highest average power Joule-level ps laser reported at that time. [64] Based on four liquid nitrogen circulating cooled laser heads, [49] Ogino et al achieved a laser output of 9.3 J, 10 ns, at 33.3 Hz.…”

Section: Gas and Cryogenic Coolingmentioning

confidence: 99%

“…[81] A laser system based on cryogenically-cooled and PDL-pumped Yb:YAG generated 1.1 J pulses of 4.5 ps at a repetition rate of 1 kHz, with an average power of 1.1 kW, setting a record for Joule-level ps lasers. [64] The few-cycle fs laser, based on a thin-disk high energy ps laser with OPCPA, has a peak output of more than 5 TW. [133,134] Despite its energy storage limitations, disk lasers may provide multi-joule outputs at several kHz by multiplexing the number of gain amplification elements to distribute the heat load across numerous disks and continuing advancements in different components for extremely high-power levels (optics, dispersive elements, etc.)…”

Section: Overview Of Solid Systemmentioning

confidence: 99%

“…[53,54] To further increase the peak power to the PW class, a high-energy (100 J class) pulsed laser was used as the pump of the CPA or optical parameter chirped pulse amplification (OPCPA) laser system. [55,56] Auxiliary heat dissipation methods such as pulsed diode laser (PDL) pumping, [57][58][59][60][61] zero-phonon-line (ZPL) pumping, [54,62,63] cryogenic cooling, [61,64,65] or gas cooling [50,66] are required in addition to the basic configuration's heat dissipation benefits. Furthermore, large-aperture crystals' amplified spontaneous emission (ASE) must be reduced by eliminating the edge oscillation conditions.…”

Section: Introductionmentioning

confidence: 99%

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High‐power laser sources are widely used in industrial precision processing and act as a new platform for strong‐field physics research using peak power over petawatt. This review focuses on realizing high‐energy solid‐state disk and slab systems and the nonlinear‐suppression strategies for high‐power fiber systems using the functional fibers. First, the implementations and enabling technologies of the solid‐state lasers for increasing peak power from gigawatt to petawatt are reviewed. Then the mechanisms and suppression strategies of the deterioration effects (including stimulated Raman scattering, stimulated Brillouin scattering, and transverse mode instability) in various fiber amplifiers are analyzed. At the same time, the mechanism and achievements of the current functional fibers are introduced. Finally, the challenges and perspectives of high‐power solid‐state and fiber amplifiers are summarized.

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Section: Gas and Cryogenic Coolingmentioning

confidence: 99%

Section: Overview Of Solid Systemmentioning

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Section: Introductionmentioning

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“…We note that the key components required to realize this new approach have all recently been demonstrated, and in principle all are capable of multi-kilohertz operation. These include: metre-scale, low-loss, all-optical plasma waveguides [64][65][66][67][68][69][70]; 100 mJ-scale, sub-50 fs seed laser pulses [71]; and joule-level, few-picosecond, 1030 nm drive laser pulses [43,45]. The proposed scheme requires tight temporal and spatial overlap of multiple laser beams, the most challenging of which are: (i) control of the delay between the electron bunch and the seed pulse (∼ 10 fs); and (ii) control of the pointing of the seed and drive pulses relative to the waveguide axes (< 10 µrad).…”

mentioning

confidence: 99%

“…Substantially more efficient lasers have been developed in recent years. For example, thin-disk lasers have optical-to-optical efficiencies exceeding 50% and have recently generated pulse energies of ∼ 1 J at f rep = 1 kHz [43][44][45]. However, their long (picosecond) pulse duration makes them unsuitable for driving LPAs directly.…”

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Gev-Scale Accelerators Driven by Plasma-Modulated Pulses from Kilohertz Lasers

2021

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We describe a new approach for driving GeV-scale plasma accelerators with long laser pulses. We show that the temporal phase of a long, high-energy driving laser pulse can be modulated periodically by co-propagating it with a low-amplitude plasma wave driven by a short, low-energy seed pulse. Compression of the modulated driver by a dispersive optic generates a train of short pulses suitable for resonantly driving a plasma accelerator. Modulation of the driver occurs via well-controlled linear processes, as confirmed by good agreement between particle-in-cell (PIC) simulations and an analytic model. PIC simulations demonstrate that a 1.7 J, 1 ps driver and a 140 mJ, 40 fs seed pulse can accelerate electrons to energies of 0.65 GeV in a plasma channel with an axial density of 2.5 × 10 17 cm −3 . This work opens a route to high-repetition-rate, GeV-scale plasma accelerators driven by thin-disk lasers, which can provide joule-scale, picosecond-duration laser pulses at multikilohertz repetition rates and high wall-plug efficiencies.

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Optical Waveform Synthesis and Its Applications

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The quest for ever‐shorter optical pulses has been ongoing for over half a century. Although few‐cycle pulses have been generated for nearly 40 years, pulse lengths below the single‐cycle limit have remained an elusive goal for a long time. For this purpose, optical waveform synthesizers, generating high‐energy, high‐average‐power pulses via coherent combination of multiple pulses covering different spectral regions, have been recently developed. They allow unprecedented control over the generated optical waveforms, spanning an extremely broad spectral range from ultraviolet to infrared. Such control allows for steering strong‐field interactions with increased degrees of freedom. When driving high‐harmonic generation, tailored waveforms can produce bright attosecond pulse trains and even isolated attosecond pulses with tunable spectra up to the soft X‐ray range. In this paper recent progress on parametric and hollow‐core fiber waveform synthesizers is discussed. Newly developed seeding schemes; absolute, relative, and spectral phase measurement; and control techniques suitable for synthesizers are described. The progress on serial and parallel waveform synthesis based on Ti:sapphire and Ytterbium laser systems and their latest applications in high‐harmonic generation in gaseous and solid media, attosecond science, and laser wakefield acceleration is discussed.

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1.1 J Yb:YAG picosecond laser at 1 kHz repetition rate

Cited by 72 publications

References 26 publications

High‐Power Laser Systems

High‐Power Laser Systems

Gev-Scale Accelerators Driven by Plasma-Modulated Pulses from Kilohertz Lasers

Optical Waveform Synthesis and Its Applications

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