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Optical phase conjugation for turbidity suppression in biological samples

Publications associées (32)

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Governing the speed of a light signal in optical fibers

Sang Hoon Chin

Dynamic control of the speed of a light signal, based on stimulated Brillouin scattering in optical fibers, was theoretically studied and also experimentally demonstrated as the core object of this thesis. To date, slow light based on stimulated Brillouin ...

EPFL2009

A New Closed-Form Solution to Light Scattering by Spherical Nanoshells

Juan Ramon Mosig, Olivier Martin

Light or electromagnetic wave scattered by a single sphere or a coated sphere has been considered as a classic Mie theory. There have been some further extensions that were made further based on the Mie theory. Recently, a closed-form analytical model of t ...

2009

This work includes the fabrication of plasmonic nanostructures as well as the investigation of their optical properties in the near-field and in the farfield. As expressed in the title of this thesis the focus lies in the subwavelength confinement and enha ...

EPFL2008

Apertureless SNOM

Rubén Esteban Llorente

This thesis studies apertureless Scanning Near Field Optical Microscopy, a technique that uses the apex of a very sharp tip to obtain local optical information with lateral resolution much beyond the diffraction limit. Both theoretical and experimental res ...

EPFL2007

The evolution path of nanotechnologies moves through the domain of microscopy. Among all the kinds of imaging tools available today, optical imaging systems are of primary importance. When using optical imaging systems, we take profit of the information re ...

Institut de Microtechnique, Université de Neuchâtel2006

Nonlinear optical scattering: The concept of effective susceptibility

Sylvie Roke

We present a general theoretical method for deriving effective susceptibilities for (non)linear optical scattering processes of arbitrary order using the reciprocity principle. This method allows us to formulate a generalized treatment of nonlinear optical ...

2004

Scanning optical near field microscope for use with different contrast methods, including phase contrast microscopy, has an improved photo-detector design that improves resolution and imaging of the smallest structures

Theo Lasser

Optical near field microscope for use with different, including differential contrast, methods. Microscope has a near field illuminating light source probe (3) and a photo-detector for detection of light from the object (6). Said detector has electronics f ...

2003

Gold nanoantennas as probes for near-field optical microscopy

The main purpose of this thesis is to explore a new concept of SNOM probes. In order to produce more reliable and reproducible tips, we propose to graft a single gold particle of 60 nm diameter onto the aperture of a SNOM probe. The expected advantage of s ...

EPFL2002

In this thesis, a new method has been developed, which determines the optical coefficients spectra (absorption and scattering) of small volumes of tissue (1 mm3) by the measurement of spatially resolved reflectance between 480 and 950 nm. Firstly, an algor ...

EPFL2001

Inelastic light scattering by phonons in hexagonal GaN-AlN nanostructures

Nicolas Grandjean

Two selected examples have been chosen to illustrate the ability of non-resonant Raman scattering to probe phonons in hexagonal GaN-AlN artificial structures. The angular dispersion of polar phonons is investigated in a long period GaN-AlN superlattice and ...

2001