100  W high-repetition-rate near-infrared optical parametric chirped pulse amplifier

Windeler, Matthew K. R.; Mecseki, Katalin; Miahnahri, Alan; Robinson, Joseph S.; Fraser, James M.; Fry, Alan; Tavella, F.

doi:10.1364/ol.44.004287

Cited by 37 publications

(12 citation statements)

References 22 publications

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“…In the 1.4-4 µm wavelength region, where a number of wide-bandgap oxide nonlinear optical crystals are commercially available, multi-GW peak powers at average powers well above 10 W have already been demonstrated with pulses lasting only a few optical cycles. Most of the demonstrated high-power OPA systems relied on bulk, critically phase-matched crystals for power scaling, [1][2][3][4] such as KNbO3, LiNbO3, and KTiOAsO4 (KTA), while only one utilized periodically poled LiNbO3 (PPLN) for this purpose. 5 Due to the lack of suitable nonlinear crystals, ultrafast optical parametric devices operating beyond 5 µm were based almost exclusively on an OPA followed by difference frequency generation (DFG) at an overall pump-to-MIR energy conversion efficiency below 1% at 8 µm.…”

Section: Introductionmentioning

confidence: 99%

Progress in ultrafast, mid-infrared optical parametric chirped pulse amplifiers pumped at 1 µm

Mero

Petrov

Heiner

2020

Nonlinear Frequency Generation and Conversion: Materials and Devices XIX

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With diode-pumped Yb laser technology reaching maturity, average power scaling of multi-GW, few-cycle, short-wave and mid-infrared (MIR) optical parametric amplifiers (OPA's) to the 100-W level has become a reality. Well established, commercially available oxide crystals offer a relatively straightforward solution in the 1.4-4-µm spectral range. Extension of the spectral coverage of high-power OPA's beyond 5 µm may be enabled by novel, wide-bandgap non-oxide crystals with growth processes still under major development and optimization. Here, we present our results on the nonlinear optical properties of oxide (LiNbO3, KTiOAsO4) and non-oxide (LiGaS2, BaGa4S7) crystals and the resulting 100-kHz, ultrafast infrared OPA's based on these materials. The reported data provide design parameters and guidelines for high-average-power MIR OPA's pumped by Yb lasers both below and above 5 µm.

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Section: Introductionmentioning

confidence: 99%

Progress in ultrafast, mid-infrared optical parametric chirped pulse amplifiers pumped at 1 µm

Mero

Petrov

Heiner

2020

Nonlinear Frequency Generation and Conversion: Materials and Devices XIX

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“…Besides operation at 800 nm, the same architecture based on Yb-CPAs that was previously described, represents an ideal platform to generate ultrashort pulses with high average power and high repetition rates in the mid-IR. In this case, alternative nonlinear materials such as Potassium Titanyle Arsenate (KTiOAsO 4 ) or KTA, with transparency windows extending deep into the mid-IR, provide a route toward the operation of high power OPCPAs [142][143][144][145][146][147][148][149]. Moreover, Elu et al have implemented soliton self-compression of mid-IR OPCPA pulses in a gas-filled anti-resonant photonic crystal fiber to generate near single cycle pulses around 3 µm at 160 kHz with 9 W of average power [150].…”

Section: Optical Parametric Chirped Pulse Amplifiersmentioning

confidence: 99%

“…The extremely small absorption coefficients over the transparency windows of nonlinear crystals usually renders the heat dissipation negligible. However, when the pump power approaches the kW-level [141,149], absorption of the pump and the long wavelength components of the idler in BBO [129,155,156] for example, or absorption of the pump in the anti-reflection coatings of the crystal [129], begin to affect the amplifier performance. Not only can the induced thermal gradients affect phase matching through local changes in the index of refraction, but this spatial dependence of the phase matching process can lead to complex spatio-temporal couplings in the amplified pulses.…”

Section: Optical Parametric Chirped Pulse Amplifiersmentioning

confidence: 99%

High power, high repetition rate laser-based sources for attosecond science

Furch¹,

Witting²,

Osolodkov³

et al. 2022

J. Phys. Photonics

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Within the last two decades attosecond science has been established as a novel research ﬁeld providing insights into the ultrafast electron dynamics that follows a photoexcitation or photoionization process. Enabled by technological advances in ultrafast laser ampliﬁers, attosecond science has been in turn, a powerful engine driving the development of novel sources of intense ultrafast laser pulses. This article focuses on the development of high repetition rate laser-based sources delivering high energy pulses with a duration of only a few optical cycles, for applications in attosecond science. In particular, a high power, high repetition rate optical parametric chirped pulse ampliﬁcation system is described, which was developed to drive an attosecond pump-probe beamline targeting photoionization experiments with electron-ion coincidence detection at high acquisition rates.

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“…This laser system will be synchronized to the X-ray pulses from the FEL and used for pump-probe experiments in the LCLS Near Experimental Hall. Further upgrades include a tunable near-infrared OPCPA for wavelengths in the range 1500-1800 nm (Windeler et al, 2019). The main challenge for laser-based THz generation methods for LCLS II is the comparatively low pulse energy -limiting generation efficiency -and control of thermal issues due to the high average power when using the full 100 kHz rate.…”

Section: Review Of Laser-based Thz Sourcesmentioning

confidence: 99%

A high-power, high-repetition-rate THz source for pump–probe experiments at Linac Coherent Light Source II

Zhang¹,

Fisher²,

Hoffmann³

et al. 2020

J Synchrotron Rad

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Experiments using a THz pump and an X-ray probe at an X-ray free-electron laser (XFEL) facility like the Linac Coherent Light Source II (LCLS II) require frequency-tunable (3 to 20 THz), narrow bandwidth (∼10%), carrier-envelope-phase-stable THz pulses that produce high fields (>1 MV cm−1) at the repetition rate of the X-rays and are well synchronized with them. In this paper, a two-bunch scheme to generate THz radiation at LCLS II is studied: the first bunch produces THz radiation in an electromagnet wiggler immediately following the LCLS II undulator that produces X-rays from the second bunch. The initial time delay between the two bunches is optimized to compensate for the path difference in THz transport. The two-bunch beam dynamics, the THz wiggler and radiation are described, as well as the transport system bringing the THz pulses from the wiggler to the experimental hall.

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100 W high-repetition-rate near-infrared optical parametric chirped pulse amplifier

Cited by 37 publications

References 22 publications

Progress in ultrafast, mid-infrared optical parametric chirped pulse amplifiers pumped at 1 µm

Progress in ultrafast, mid-infrared optical parametric chirped pulse amplifiers pumped at 1 µm

High power, high repetition rate laser-based sources for attosecond science

A high-power, high-repetition-rate THz source for pump–probe experiments at Linac Coherent Light Source II

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