Improvement in the temporal contrast in the tens of ps range of the multi-PW Apollon laser front-end | Zendy

L. Ranc | Zendy; C. Le Blanc | Zendy; N. Lebas | Zendy; Luc Martin | Zendy; Ji-Ping Zou | Zendy; François Mathieu | Zendy; Christophe Radier | Zendy; Sandrine Ricaud | Zendy; Frédéric Druon | Zendy; Dimitris N. Papadopoulos | Zendy

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Improvement in the temporal contrast in the tens of ps range of the multi-PW Apollon laser front-end

Author(s) -

L. Ranc,

C. Le Blanc,

N. Lebas,

Luc Martin,

Ji-Ping Zou,

François Mathieu,

Christophe Radier,

Sandrine Ricaud,

Frédéric Druon,

Dimitris N. Papadopoulos

Publication year - 2020

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.401272

Subject(s) - optics , laser , contrast ratio , contrast (vision) , chirped pulse amplification , range (aeronautics) , front (military) , high contrast , materials science , front and back ends , ultrashort pulse , physics , computer science , meteorology , composite material , operating system

We demonstrate the impact of the optics roughness in Öffner stretchers used in chirped pulse amplification laser chains and how it is possible to improve the temporal contrast ratio in the temporal range of 10-100 ps by adequately choosing the optical quality of the key components. Experimental demonstration has been realized in the front-end source of the multi-petawatt (PW) laser facility Apollon, resulting in an enhancement of the contrast ratio by two to three orders of magnitude.

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