Next Article in Journal
Unified Assessment of the Effects of Van der Waals Interactions on the Structural and Electronic Properties of Some Layered Organic Solids κ-(BEDT-TTF)2X
Previous Article in Journal
Importance of Blade-Coating Temperature for Diketopyrrolopyrrole-based Thin-Film Transistors
Previous Article in Special Issue
Laser Performance of Neodymium- and Erbium-Doped GYSGG Crystals
Article Menu
Issue 7 (July) cover image

Export Article

Open AccessReview

Femtosecond Laser Pulses Amplification in Crystals

National Institute for Nuclear Physics and Engineering, Extreme Light Infrastructure-Nuclear Physics, Reactorului Street 30, 077125 Magurele, Romania
Crystals 2019, 9(7), 347; https://doi.org/10.3390/cryst9070347
Received: 22 April 2019 / Revised: 24 June 2019 / Accepted: 1 July 2019 / Published: 5 July 2019
(This article belongs to the Special Issue Laser Crystals)
  |  
PDF [5331 KB, uploaded 10 July 2019]
  |  

Abstract

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. View Full-Text
Keywords: femtosecond laser pulses; laser crystals; gain bandwidth; chirped pulse amplification; nonlinear crystals; phase-matching bandwidth; optical parametric chirped pulse amplification; hybrid amplification femtosecond laser pulses; laser crystals; gain bandwidth; chirped pulse amplification; nonlinear crystals; phase-matching bandwidth; optical parametric chirped pulse amplification; hybrid amplification
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Dabu, R. Femtosecond Laser Pulses Amplification in Crystals. Crystals 2019, 9, 347.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Crystals EISSN 2073-4352 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top