OHIO

Optimization and application of Intense High-Order harmonics

Coordinatore	"Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences"    more  Organization address address: "390,Qinghe Road, Jiading district" city: Shanghai postcode: 201800 contact info Titolo: Prof. Nome: Ruxin Cognome: Li Email: send email Telefono: -69918205 Fax: -
Nazionalità Coordinatore	China [CN]
Totale costo	15˙000 €
EC contributo	15˙000 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2007-4-2-IIF
Funding Scheme	MC-IIFR
Anno di inizio	0
Periodo (anno-mese-giorno)	0000-00-00   -   0000-00-00

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	"Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences"  Organization address address: "390,Qinghe Road, Jiading district" city: Shanghai postcode: 201800 contact info Titolo: Prof. Nome: Ruxin Cognome: Li Email: send email Telefono: -69918205 Fax: -	CN (Shanghai)	coordinator	15˙000.00

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 Obiettivo del progetto (Objective)

'High-order harmonic generation (HHG) as a relatively inexpensive and widely available alternative source in the x-ray region was discovered nearly 20 years ago. The physics is now well understood. Applications are emerging, e.g. in attosecond science. The main difficulty, however, remains the low conversion efficiency and the low number of photons available. Efforts must be undertaken to further increase the output energy of high-order harmonic. The main objective of this proposal is to optimize high order harmonic generation and to explore some of its applications. Single atom response and collective effects will be both considered for the optimization of high-order harmonic generation. The mixing of the fundamental laser with double frequencies and even with an attosecond pulse train will be used to enhance the single atom efficiency. The collective emission will be optimized by increasing the total radiation volume and by achieving phase-matching conditions in different spectral range, developing in particular, quasi-phase matching techniques with weak counter propagating beams. Three applications of intense high-order harmonics will be explored, time-resolved digital in-line holography, nonlinear optics in the extreme ultraviolet range and seeding for free-electron laser research.'