©francesc díaz. october 2004. fabrication and characterisation of new optical and photonic...
TRANSCRIPT
©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 CarvajalDr. 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:YAGKTP
LASER Materials. Hosts and frecuency multipliers.
2pumping
Example of materials for doubling frecuency
Laser host Doubling frecuency Material.
© Francesc Díaz. October 2004.
Laser Radiation
Solid state laser
h STIMULATION
PHOTONh 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(WO4)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(WO4)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 emissionsubstrate
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 RE3+ doping
© Francesc Díaz. October 2004.
Effect of particle size on spectroscopy of RE3+ 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 RE3+ spectroscopy and lasing
2 Patents
...EEEP 33
2210
IF SECOND ORDER:
...tSinEtSinEP 22020010
AS Sin2(t) = (1 - Cos(2t)) / 2, THEN IT RESULTS::
...22020010
2020 tCosEtSinEEP
• 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.
RbTiOPO4 family. Orthorombic phase
Spacel group of simetry: Pna21
Orthorombic phase
Spacial group of simetry: Pna21
Fabrication of photonic crystals of the KTP family
1-D photonic crystals in PPRTP2-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