Photon correlation spectroscopy of MS2-virus

Photon Correlation Spectroscopy

Two-photon standing-wave fluorescence correlation spectroscopy.

A fluorescence correlation spectroscopy experiment that combines two-photon excitation and a standing-wave interference pattern is presented. The experimental correlation function can be analyzed using a simple expression involving (1) an exponential decay with time constant tau(f), which reflects diffusion across the interference fringes, and (2) a longer-lived decay with time constant tau(ome...

Low-coherence heterodyne photon correlation spectroscopy.

Photon correlation spectroscopy (PCS) is routinely used to investigate the dynamics of colloidal particles undergoing Brownian motion. This technique is applicable to low-density colloidal suspensions in which the effects of multiple light scattering are minimal. We introduce a new low-coherence heterodyne PCS technique that allows direct investigation of colloidal suspensions of higher concent...

Microscopic Theory of Photon-Correlation Spectroscopy in Strong-Coupling Semiconductors

Dissertation zur Erlangung des Doktorgrades der Naturwissenschaften ii Zusammenfassung Inhaltsangabe und Zielrichtung der Arbeit Während viele quantenoptische Phänomene in kalten Atomgasen gut etabliert sind, wie der Einzelphotonenemission ('photon antibunching') [1], dem gequetschten Licht ('squeezed light') [2], der Bose-Einstein Kondensation [3], und der Teleportation [4], ste-hen die quante...

On the use of two-time correlation functions for X-ray photon correlation spectroscopy data analysis

Multi-time correlation functions are especially well suited to study non-equilibrium processes. In particular, two-time correlation functions are widely used in X-ray photon correlation experiments on systems out of equilibrium. One-time correlations are often extracted from two-time correlation functions at different sample ages. However, this way of analysing two-time correlation functions is...