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©Francesc Díaz. October 2004. Fabrication and characterisation of new optical and photonic crystalline materials Francesc Diaz
Permanent staff: Prof. Francesc Díaz Prof. Magdalena Aguiló Dra. Josefina Gavaldà Dr. Jaume Massons Dra. Rosa Solé FiCMA members Post-Docs: Dr. Joan Carvajal Dr. Xavier Mateos PhD students: Anna Aznar Frank Güell Isabel Parreu Sandra Peña Oscar Silvestre Montse Galceran Technicians: Agustí Montero Nicolette Bakker (part time) © Francesc Díaz. October 2004. Ramon y Cajal Researcher: Dra. M. Cinta Pujol
Active Projects in the field of nanomaterials Design and fabrication of periodic micro and nanostructured materials for photonic processes. Applications to solid state laser and nanodevices. MAT2002-04603-C05 Double tungstate crystals. Synthesis, characterisation and applications (DT- CRYS). STRP-505580-1. Nanotechnologies, materials and processes (NMP-3). FP6 of EU. © Francesc Díaz. October 2004.
Nd:YAG KTP LASER Materials. Hosts and frecuency multipliers. 22 pumping Example of materials for doubling frecuency Laser host Doubling frecuency Material. © Francesc Díaz. October 2004.
Laser Radiation Solid state laser h STIMULATION PHOTON h COLLECTION OF COHERENT PHOTONS © Francesc Díaz. October 2004. Solid host Active ion
KGW:RE KYW:RE KYbW:RE KErW:RE KLuW:RE LASER MATERIALS (Bulk single crystals) KRE(WO 4 ) 2 family Monoclinic phase Space group, C2/c © Francesc Díaz. October 2004. P200100219 International patent of FiCMA recently transferred to two companies Monoclinic phase of KRE(WO 4 ) 2 Space group, C2/c
Epitaxial layer of KYW:Yb on (010) faces of KYW substrate MICRO AND NANO SINGLE CRYSTAL LAYERS © Francesc Díaz. October 2004. P200302881 National patent of FiCMA (110)
Thin disc laser. pumping Laser layer © Francesc Díaz. October 2004. Laser emission substrate
Preparation of Nanopowders of KREW by Sol-Gel Sol-Gel : Pechini Method KGdW Monoclinic Phase © Francesc Díaz. October 2004.
Studies Effect of particle size on RE 3+ doping © Francesc Díaz. October 2004. Effect of particle size on spectroscopy of RE 3+ ions 6 Chem. Mat. 5 IEEE J. Quant. Elect. 3 Phys. Rev. B 2 APL 4 Opt. Mat. 1 JAP 1 J. Appl. Cryst. 1 Appl. Phys. B 2 Invited conferences 14 Oral presentations in Int. Conferences 17 Posters in Int. Conferences Effect of layer thickness on RE 3+ spectroscopy and lasing 2 Patents
IF SECOND ORDER: AS Sin 2 ( t) = (1 - Cos(2 t)) / 2, THEN IT RESULTS:: IF THE CAPACITY OF POLARISATION IS INTENSE, THE RELATION BETWEEN ELECTRICAL FIELD AND THE POLARISATION IS POLINOMIAL ( HIGHER ORDER TERMS= NON LINEARS ). THEREFORE, IT TAKES PLACE THE NON-LINEAL OPTICS Non lineal Optics. © Francesc Díaz. October 2004.
RTP RTP:Nb RTP:(Nb,Er) RTP:(Nb,Yb) NLO MATERIALS (Bulk single crystals) © Francesc Díaz. October 2004. RbTiOPO 4 family. Orthorombic phase Spacel group of simetry: Pna2 1 Orthorombic phase Spacial group of simetry: Pna2 1
Fabrication of photonic crystals of the KTP family 1-D photonic crystals in PPRTP 2-D photonic crystals in KTP © Francesc Díaz. October 2004.
Studies QPM Effect characterisation © Francesc Díaz. October 2004. 3 Chem. Mat. 2 Phys. Rev. B 2 APL 1 Opt. Mat. 1 JAP 1 J. Appl. Cryst. 3 Oral presentations in Int. Conferences 7 Posters in Int. Conferences Material fabrication processes
Thank you for your attention. Tarragona, october 2004
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