scholarly journals Simulating an ultra-broadband concept for Exawatt-class lasers

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Zhaoyang Li ◽  
Yoshiaki Kato ◽  
Junji Kawanaka
Keyword(s):  
Thin Plate ◽  
Peak Power ◽  
Rapid Development ◽  
High Energy ◽  
Intense Laser ◽  
High Peak Power ◽  
Power Intensity ◽  
Hybrid Concept ◽  
Chirped Pulse Amplification ◽  
Optical Cycle

AbstractThe rapid development of the optical-cycle-level ultra-fast laser technologies may break through the bottleneck of the traditional ultra-intense laser [i.e., Petawatt (PW, 1015 W) laser currently] and enable the generation of even higher peak-power/intensity lasers. Herein, we simulate an ultra-broadband concept for the realization of an Exawatt-class (EW, 1018 W) high peak-power laser, where the wide-angle non-collinear optical parametric chirped-pulse amplification (WNOPCPA) is combined with the thin-plate post-compression. A frequency-chirped carrier-envelope-phase stable super-continuum laser is amplified to high-energy in WNOPCPA by pumping with two pump-beamlets and injected into the thin-plate post-compression to generate a sub-optical-cycle high-energy laser pulse. The numerical simulation shows this hybrid concept significantly enhances the gain bandwidth in the high-energy amplifier and the spectral broadening in the post-compression. By using this concept, a study of a prototype design of a 0.5 EW system is presented, and several key challenges are also examined.

scholarly journals High-repetition-rate, high-peak-power 1450 nm laser source based on optical parametric chirped pulse amplification

2019 ◽  
Vol 7 ◽  
Author(s):  
Pengfei Wang ◽  
Beijie Shao ◽  
Hongpeng Su ◽  
Xinlin Lv ◽  
Yanyan Li ◽  
...  
Keyword(s):  
Repetition Rate ◽  
Peak Power ◽  
High Energy ◽  
High Peak ◽  
Laser Source ◽  
High Peak Power ◽  
Chirped Pulse ◽  
Pulse Amplification ◽  
Optical Parametric ◽  
Chirped Pulse Amplification

We present a high-peak-power, near-infrared laser system based on optical parametric chirped pulse amplification pumped by a home-built picosecond pumping laser, which can generate over 40 mJ energy at 1450 nm center wavelength and operate at 100 Hz repetition rate. Subsequently, the chirped laser pulses are compressed down to 60 fs with 26.5 mJ energy, corresponding to a peak power of 0.44 TW. This high-energy, long-wavelength laser source is highly suitable for driving various nonlinear optical phenomena, such as high-order harmonic generation and high-flux coherent extreme ultraviolet/soft X-ray radiation.

Analysis and Design of Coherent Combining of two Q-Switched Fiber Laser in Mach-Zehnder Type Cavity

2019 ◽  
Vol 40 (4) ◽  
pp. 393-400
Author(s):  
Ali Nassiri ◽  
Hafida Idrissi-Saba ◽  
Abdelkader Boulezhar
Keyword(s):  
Fiber Laser ◽  
Peak Power ◽  
High Energy ◽  
Nanosecond Pulse ◽  
High Peak ◽  
High Peak Power ◽  
Analysis And Design ◽  
Coupled Cavities ◽  
Combining Efficiency ◽  
Coherent Combining

Abstract In this work, we have developed an analytical model of an actively Q-switched Ytterbium-doped fiber laser by using two coupled cavities with amplifying fibers in Mach–Zehnder interferometer configuration. This oscillator system provides high peak power and high energy nanosecond pulse. The pulse energy is almost twice the energy of an individual fiber laser with a combining efficiency goes up 99%. This concept brings some novel perspectives for scaling the high energy and high peak power of nanosecond pulse fiber laser.

scholarly journals Quasi-Parametric Chirped-Pulse Amplification Simultaneously Enables High Peak Power and High Average Power

2019 ◽  
Vol 11 (4) ◽  
pp. 1-12 ◽  
Author(s):  
Zhe Yin ◽  
Jingui Ma ◽  
Jing Wang ◽  
Peng Yuan ◽  
Guoqiang Xie ◽  
...  
Keyword(s):  
Peak Power ◽  
Average Power ◽  
High Peak ◽  
High Peak Power ◽  
High Average Power ◽  
Chirped Pulse ◽  
Pulse Amplification ◽  
Chirped Pulse Amplification

Refractory Metal Facings for Protection of Metal Surfaces Subjected to Repeated High-Temperature Pulses

1959 ◽  
Vol 81 (2) ◽  
pp. 197-202
Author(s):  
Aaron Cohen ◽  
Edward Homer
Keyword(s):  
Refractory Metal ◽  
Peak Power ◽  
Direct Relationship ◽  
High Energy ◽  
Analytical Determination ◽  
High Peak Power ◽  
Resonant Structure ◽  
High Energy Electrons ◽  
The Impact

Because the operating frequency of a magnetron has a direct relationship to the size of the resonant structure, the power at a given frequency that can be obtained from a magnetron may be limited by the temperature which the resonating structure can withstand. A rise in the temperature of the resonant structure is caused by the impact of high-energy electrons emitted from the cathode at high peak-power levels for short durations. This paper deals with the analytical determination of the temperature of the resonant structure, a solution to the heat problem in which a thin coating of refractory metal is used to prevent the vulnerable components from melting, and some experimental results to verify the analysis.

High Peak Power and High Energy Fiber Amplifiers

2006 ◽  
Author(s):  
John Minelly ◽  
Fabio Teodoro ◽  
Matthias Savage-Leuchs ◽  
Deborah Alterman ◽  
Christopher Brooks ◽  
...  
Keyword(s):  
Peak Power ◽  
High Energy ◽  
Fiber Amplifiers ◽  
High Peak ◽  
High Peak Power

High-peak-power, high-energy, high-average-power pulsed fiber laser system with versatile pulse duration and shape

2013 ◽  
Vol 38 (22) ◽  
pp. 4686 ◽  
Author(s):  
A. Malinowski ◽  
P. Gorman ◽  
C. A. Codemard ◽  
F. Ghiringhelli ◽  
A. J. Boyland ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Pulse Duration ◽  
Peak Power ◽  
Laser System ◽  
Average Power ◽  
High Energy ◽  
High Peak ◽  
High Peak Power ◽  
High Average Power ◽  
Pulsed Fiber Laser

Few-optical-cycle laser pulses: from high peak power to frequency tunability

2000 ◽  
Vol 6 (6) ◽  
pp. 948-958 ◽  
Author(s):  
G. Cerullo ◽  
S. De Silvestri ◽  
M. Nisoli ◽  
S. Sartania ◽  
S. Stagira ◽  
...  
Keyword(s):  
Peak Power ◽  
Laser Pulses ◽  
High Peak ◽  
High Peak Power ◽  
Frequency Tunability ◽  
Optical Cycle
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