16 datasets found

International audience

The optical properties of nanoparticles have opened new avenues in many areas of optics with the fundamental understanding of the interactions in matter, biology and...

III-Nitride semiconductors are promising nonlinear materials for optical wavelength conversion. However second harmonic generation in bulk GaN is weak because GaN is...

The work presented in this PhD dissertation details the strategy adopted to build two non-linear laser sources that are widely in the mid-infrared and blue-UV spectral...

During the past two decades, two-photon microscopy has become a powerful tool in neuroscience. Unlike other imaging methods like MRI, its spatial resolution is...

In this thesis I have dealt with the ab initio description of the second-harmonic generation (SHG) process, a nonlinear optical property of materials, focusing in...

The high power laser development required the need of materials with nonlinear properties. Glass materials can be considered as ideal materials as they can be...

International audience

International audience

Liquid-liquid extraction processes are widely used in the industrial fields of selective separation. Despites its numerous applications, the microscopic mechanisms...

Non-centrosymetric nanocrystals show promising nonlinear optical properties for being used as optical labels in bio-imaging applications, with significant interest for...

In this work, the nonlinear optical response of assembled metallic nanoparticles at interfaces was studied using Second Harmonic Generation. First, the nanoparticles...

Proc. SPIE 8611

International audience

International audience

We demonstrate the association of two-photon nonlinear microscopy with balanced homodyne detection for investigating second harmonic radiation properties at nanoscale...