Objective
Objectives:
The recent progresses in lasers with ultra-high-intensity pulses are now hindered by a strong limiting factor linked to imperfections in the pulse temporal profile. Innovative physics experiments at relativistic intensities that probe new domains such as particle acceleration or laser assisted nuclear physics are inaccessible due to the high level of amplified spontaneous Emission (ASE) pedestals and pre-pulses. The objectives of this program are to develop new techniques devoted to obtain temporal contrast suitable with interaction in a regime of intensity higher than 1020 W/cm2. Reduction of the ASE level with respect to the femtosecond pulse will be obtained by non-linear effects.
Different ways will be investigated through this RTD program, corresponding with associated work packages: Moreover measurement techniques over high dynamic range will be improved. Non linear cleaning and filtering processes like non-linear cleaning by saturable absorber or non linear interferometer, second harmonic generation, or plasma mirrors will be studied. OPCPA techniques need to be fully characterized in term of contrast improvement, such as excimer amplification usable after seeding by frequency converted pulses. In the first 12 months of the project, partners have successfully designed, bought, built, and implemented: · New high order cross-correlators and UV correlators improving the measurement dynamics. (WP1 tasks 1.1 1.3 1.4) · New high energy, high contrast oscillators (WP2 task 2.1) · New schemes of non linear filtering at millijoule level (WP2 task 2.3) · Promising technique using plasma mirrors (WP2 task 2.4) · New designs of excimer amplification in XeF (WP3 task 3.1) · Measurements of ASE contrast properties in Optical Parametric Chirped Pulses Amplification process (OPCPA) (WP4 task 4.2).
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
- natural sciences physical sciences nuclear physics
- natural sciences physical sciences optics laser physics
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
91120 PALAISEAU
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.