A Simple Model for the Fields of a Chirped Laser Pulse With Application to Electron Laser Acceleration

Salamin, Yousef I.; Carbajo, Sergio

doi:10.3389/fphy.2019.00002

Cited by 14 publications

(4 citation statements)

References 34 publications

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“…So polarization, magnetic field and chirp are the key characteristics for enhancing high energy gain. Different laser profile envelopes give us different electron scenario [31,[33][34]. By a comparative study between Trapezoidal Pulse Shape (TPS), Half-Sine Pulse Shape (HSPS), and Gaussian Pulse Shape (GPS) it has been shown that at high intensity the wakefield amplitude follows the pattern: TPS > GPS > HSPS but for lower intensity it will be reversed [35].…”

Section: Introductionmentioning

confidence: 99%

Comparison of different laser pulse envelopes with frequency chirp for efficient electron acceleration in vacuum

Pramanik

Ghotra

Kant

et al. 2022

J. Phys.: Conf. Ser.

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In the present manuscript, we have investigated the effect of chirped laser pulse envelope to study electron acceleration in vacuum. For this purpose, we have chosen two different pulse shapes, i.e trapezoidal pulse envelope and Sin4 pulse envelope. Electron has been injected axially to the front of the tested envelopes. In all calculations, the front end of each pulse is presumed to have caught up with the electron at t = 0 at the coordinate origin. The relativistic Newton-Lorentz equations of motion of electron in the field of the laser pulse have been analytically and numerically solved. By optimizing laser and frequency chirp parameters, the energy gain of the order of GeV is obtained, and it has been noticed that under the similar range of phases (0 to 2π) and laser intensity parameter (a0 = 3), trapezoidal pulse envelope shows better result than Sin4 pulse envelope on effective electron acceleration in vacuum.

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Section: Introductionmentioning

confidence: 99%

Comparison of different laser pulse envelopes with frequency chirp for efficient electron acceleration in vacuum

Pramanik

Ghotra

Kant

et al. 2022

J. Phys.: Conf. Ser.

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“…In recent years, with the development of high-peak intensity laser technology [1][2][3][4], the interaction between laser and film materials has become an important topic for scholars [5][6][7][8][9][10]. On the one hand, the diffraction gratings are an important pulse compression element in the high-peak power laser system [11][12][13], and its laser-induced damage threshold (LIDT) limits the laser energy output and affects the operational cost of refurbishment or replacement of the optics.…”

Section: Introductionmentioning

confidence: 99%

Electric Field Enhancement Effect of Aluminum Grating With Nanosecond Pulsed Laser Irradiation

Wang

Zhang

et al. 2022

Front. Phys.

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Aluminum grating has wide applications in laser systems and photoelectric equipment. Research on the laser damage characteristics of aluminum grating has guiding significance and application value for improving the laser damage resistance. The aim of this study is to investigate the characteristics of damage induced by nanosecond pulsed lasers on the aluminum grating. To better understand the laser damage characteristics of aluminum grating, herein, Maxwell’s equations were numerically solved according to the finite difference time-domain method, and the electric field model of 1,064 nm Gaussian laser damage aluminum grating was established. The simulation results showed that the light field is modulated by the grating; furthermore, the maximum value of the electric field occurred at the ridge of the grating when the laser is irradiated vertically. Analysis suggested that the electric field distribution is in accordance with the laser energy distribution, and the distribution region of the maximum electric field is a vulnerable location. To further verify the local electric field enhancement effect, based on the 1-on-1 laser damage measurement method, an experimental study of the nanosecond laser (@1,064 nm, 6.5 ns) damage to the aluminum grating was carried out. Moreover, the damage morphology was analyzed using a scanning electron microscope (SEM), and the simulation results showed good agreement with the experimental results.

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“…With lasers operating in the femtosecond and attosecond regimes becoming increasingly prevalent, precisely controlling the offset of the underlying electric field with respect to the envelope of the pulse, known as the carrier envelope offset phase (CEP), will continue to rise in importance. Myriads of applications including optical frequency metrology [1, 2], high harmonic generation [3,4], coherent synthesis of distributed fiber-laser arrays [5,6], and laser-based [7][8][9] and on-chip accelerators [10,11] rely on stabilizing and controlling the CEP. Achieving this stabilization and control over practically long durations is just as important if it is to be used in real-world applications.…”

Section: Introductionmentioning

confidence: 99%

Long-term Hybrid Stabilization of the Carrier-Envelope Phase

Hirschman,

Lemons,

Chansky

et al. 2020

Preprint

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Controlling the carrier envelope phase (CEP) in mode-locked and associated laser systems over practically long timescales is crucial for real-world applications in ultrafast optics and precision metrology. We present a hybrid solution that combines a feed-forward (FF) technique to stabilize the phase offset in fast timescales and a feedback (FB) technique that addresses slowly varying sources of interference. We experimentally realize the hybrid stabilization system in an Er:Yb:glass mode-locked laser and demonstrate 75 hours of stabilization with integrated phase noise of 14 mrad, corresponding to around 11 as of timing jitter. Additionally, we examine the impact of environmental factors, such as humidity and pressure, on the long-term stability and performance of the system.

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A Simple Model for the Fields of a Chirped Laser Pulse With Application to Electron Laser Acceleration

Cited by 14 publications

References 34 publications

Comparison of different laser pulse envelopes with frequency chirp for efficient electron acceleration in vacuum

Comparison of different laser pulse envelopes with frequency chirp for efficient electron acceleration in vacuum

Electric Field Enhancement Effect of Aluminum Grating With Nanosecond Pulsed Laser Irradiation

Long-term Hybrid Stabilization of the Carrier-Envelope Phase

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