scholarly journals Sub-20 ps high energy pulses from 1 kHz neodymium-based CPA

2018 ◽  
Vol 58 (2) ◽  
Author(s):  
Kirilas Michailovas ◽  
Audrius Zaukevičius ◽  
Virginija Petrauskienė ◽  
Valerijus Smilgevičius ◽  
Stanislovas Balickas ◽  
...  
Keyword(s):  
High Energy ◽  
Master Oscillator ◽  
High Dispersion ◽  
Chirped Pulse ◽  
Dielectric Gratings ◽  
Front End ◽  
Chirped Fiber Bragg Grating ◽  
Chirped Pulse Amplification ◽  
A Chain ◽  
Multilayer Dielectric

Chirped pulse amplification (CPA) technique was realized in Nd:YVO4 and Nd:YAG amplifiers. The front-end of the system consists of an Yb-doped fiber-optic master oscillator and a chirped fiber Bragg grating stretcher with a chain of Nd-based solid-state amplifiers followed by a grating compressor with custom high-dispersion multilayer dielectric gratings. This allowed us to implement a relatively compact and moderately complex master oscillator power amplifier (MOPA) layout. 85 mJ of sub-20 ps pulses at 1 kHz repetition rate was obtained at the output. The amplifier features favourable parameters for OPCPA pumping.

Design of PETAL multipetawatt high-energy laser front end based on optical parametric chirped pulse amplification

2007 ◽  
Vol 46 (33) ◽  
pp. 8181 ◽  
Author(s):  
Emmanuel Hugonnot ◽  
Gérard Deschaseaux ◽  
Olivier Hartmann ◽  
Hervé Coïc
Keyword(s):  
High Energy ◽  
Chirped Pulse ◽  
Pulse Amplification ◽  
Front End ◽  
Optical Parametric ◽  
Chirped Pulse Amplification ◽  
Energy Laser ◽  
High Energy Laser

High-energy noncollinear optical parametric–chirped pulse amplification in LBO at 800  nm

2013 ◽  
Vol 38 (22) ◽  
pp. 4837 ◽  
Author(s):  
Lu Xu ◽  
Lianghong Yu ◽  
Xiaoyan Liang ◽  
Yuxi Chu ◽  
Zhanggui Hu ◽  
...  
Keyword(s):  
High Energy ◽  
Chirped Pulse ◽  
Pulse Amplification ◽  
Optical Parametric ◽  
Chirped Pulse Amplification

Demonstration of a diode pumped Nd,Y co-doped SrF 2 crystal based, high energy chirped pulse amplification laser system

2017 ◽  
Vol 382 ◽  
pp. 201-204 ◽  
Author(s):  
Junchi Chen ◽  
Yujie Peng ◽  
Zongxin Zhang ◽  
Hongpeng Su ◽  
Yuxin Leng ◽  
...  
Keyword(s):  
Laser System ◽  
High Energy ◽  
Chirped Pulse ◽  
Pulse Amplification ◽  
Chirped Pulse Amplification ◽  
Diode Pumped ◽  
Co Doped

scholarly journals A Yb:KGW dual-crystal regenerative amplifier

2020 ◽  
Vol 8 ◽  
Author(s):  
Huijun He ◽  
Jun Yu ◽  
Wentao Zhu ◽  
Xiaoyang Guo ◽  
Cangtao Zhou ◽  
...  
Keyword(s):  
Laser System ◽  
Regenerative Amplifier ◽  
Chirped Pulse ◽  
Pulse Amplification ◽  
Front End ◽  
Chirped Pulse Amplification ◽  
Gain Narrowing ◽  
Diode Pumped ◽  
Cavity Design ◽  
Output Laser

Abstract This study develops a Yb:KGW dual-crystal based regenerative amplifier. The thermal lensing and gain-narrowing effects are compensated by the dual-crystal configuration. Sub-nanojoule pulses are amplified to 1.5 mJ with 9 nm spectral bandwidth and 1 kHz repetition rate using chirped pulse amplification technology. Consequently, 1.2 mJ pulses with a pulse duration of 227 fs are obtained after compression. Thanks to the cavity design, the output laser was a near diffraction limited beam with M2 around 1.1. The amplifier has the potential to boost energy above 2 mJ after compression and act as a front end for a future kilohertz terawatt-class diode-pumped Yb:KGW laser system.

scholarly journals Femtosecond Laser Pulses Amplification in Crystals

Crystals ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 347
Author(s):  
Dabu
Keyword(s):  
Femtosecond Laser ◽  
Laser Pulses ◽  
High Energy ◽  
Femtosecond Laser Pulses ◽  
Phase Matching ◽  
Chirped Pulse ◽  
Nonlinear Crystals ◽  
Pulse Amplification ◽  
Chirped Pulse Amplification ◽  
Laser Crystals

This paper describes techniques for high-energy laser pulse amplification in multi-PW femtosecond laser pulses. Femtosecond laser pulses can be generated and amplified in laser media with a broad emission spectral bandwidth, like Ti:sapphire crystals. By chirped pulse amplification (CPA) techniques, hundred-Joule amplified laser pulses can be obtained. Multi-PW peak-power femtosecond pulses are generated after recompression of amplified chirped laser pulses. The characteristics and problems of large bandwidth laser pulses amplification in Ti:sapphire crystals are discussed. An alternative technique, based on optical parametric chirped pulse amplification (OPCPA) in nonlinear crystals, is presented. Phase-matching conditions for broad bandwidth parametric amplification in nonlinear crystals are inferred. Ultra-broad phase matching bandwidth of more than 100 nm, able to support the amplification of sub-10 fs laser pulses, are demonstrated in nonlinear crystals, such as Beta Barium Borate (BBO), Potassium Dideuterium Phosphate (DKDP), and Lithium Triborate (LBO). The advantages and drawbacks of CPA amplification in laser crystals and OPCPA in nonlinear crystals are discussed. A hybrid amplification method, which combines low-medium energy OPCPA in nonlinear crystals with high energy CPA in large aperture laser crystals, is described. This technique is currently used for the development of 10-PW laser systems, with sub-20 fs pulse duration and more than 1012 intensity contrast of output femtosecond pulses.

Development of High Energy Diode-Pumped Thick-Disk Yb:YAG Chirped-Pulse-Amplification Lasers

2012 ◽  
Vol 48 (6) ◽  
pp. 827-835 ◽  
Author(s):  
Brendan A. Reagan ◽  
Alden H. Curtis ◽  
Keith A. Wernsing ◽  
Federico J. Furch ◽  
Bradley M. Luther ◽  
...  
Keyword(s):  
High Energy ◽  
Thick Disk ◽  
Chirped Pulse ◽  
Pulse Amplification ◽  
Chirped Pulse Amplification ◽  
Diode Pumped
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