03012nam 2200601 a 450 991043811080332120200520144314.01-283-69759-93-642-31756-110.1007/978-3-642-31756-9(CKB)2670000000279450(EBL)1030374(OCoLC)813838380(SSID)ssj0000767140(PQKBManifestationID)11473415(PQKBTitleCode)TC0000767140(PQKBWorkID)10732977(PQKB)10756672(DE-He213)978-3-642-31756-9(MiAaPQ)EBC1030374(PPN)16832024X(EXLCZ)99267000000027945020120727d2013 uy 0engur|n|---|||||txtccrPhotoinduced modifications of the nonlinear optical response in liquid crystalline azopolymers doctoral thesis accepted by the University of Zaragoza, Spain /Rapuel Alicante1st ed. 2013.New York Springer20131 online resource (208 p.)Springer theses,2190-5053Description based upon print version of record.3-642-43007-4 3-642-31755-3 Includes bibliographical references.Introduction and Basic Theory -- Experimental Methods.- Nonlinear Optical Molecular Response -- Piperazine Azopolymer Thin Films -- Films of Doped Low Polar Azopolymers -- Nonlinear Optical Gratings -- General Conclusions -- Appendices.Nonlinear optical (NLO) phenomena such as frequency conversion have played a key role in the development of photonic technologies. This thesis reports a detailed study of the molecular response of a large variety of push-pull organic compounds using the Second Harmonic Generation technique, which will serve as a starting point for the investigation at the macroscopic scale of azobenzene-based liquid crystalline polymeric films and their blends with highly efficient NLO chromophores. These materials are designed with the aim of exploiting their photo-addressability in order to tailor their nonlinear behaviour. The magnitude and symmetry of their nonlinear response was successfully controlled via light irradiation and thermal treatments. Moreover, as a specific application, the recording of efficient NLO gratings was achieved and is described here.Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053Nonlinear opticsElectromagnetic wavesNonlinear optics.Electromagnetic waves.621.36/61Alicante Raquel980229MiAaPQMiAaPQMiAaPQBOOK9910438110803321Photoinduced Modifications of the Nonlinear Optical Response in Liquid Crystalline Azopolymers2235952UNINA