It has recently been shown that polarisation modulated differential surface plasmon sensing can be used to monitor refractive index changes f approximately 2× 10−7 refractive index units. The information for these measurements is carried by a small-modulated light component and relatively large constant background signal. These measurements have, hitherto, only been carried out as point measure...

Tills paper presents a study of mutual coupling between Lil'cu!ur!y polarised electromagnesicolty coupled pa/dl (CP-EMCI') antennas. Two types 0/ antennas having different high dielectric constants driven laver have been addressed. In addition 10 compariSO/l of mllillil! coupling !>e/ween CP-EMCP antennas. comparisons have been made 10 three references. one 0/ which is the recently reported mut...

As we have discussed in Chapter I of this thesis, the nematic director is apolar. IIence the usual dielectric coupling with an external electric field depends quadratically on the latter. However, as has been discussed earlier a deformed director field with a splay and/or bend distortion can lead to a flexoelectric polarisation of the medium. The response of liquid crystals to an electric field...

We report the first demonstration of polarisation insensitive all-optical wavelength conversion (AOWC) for single wavelength channel 640 Gbit/s return-to-zero differential-phase-shift-keying (RZ-DPSK) signal and 1.28 Tbit/s polarisation multiplexed (Pol-Mux) RZ-DPSK signals using a 100-m polarisation-maintaining highly nonlinear fiber (PM-HNLF) in a polarisation diversity loop configuration. Th...

Recently, many people have found polarisation features in the SCIAMACHY Level-1c spectrum, in the form of jumps. The jumps are found to be caused by the polarisation correction algorithm, which is evidenced by the fact that the jumps occur only when the polarisation correction is switched on, and only at cluster transitions where the integration time changes. We explain the origin of the jumps,...

We develop a theoretical model to study the Intensity-Intensity correlation of polarisation entangled photons emitted in a biexciton-exciton cascade. We calculate the degree of correlation and show how polarisation correlations are affected by the presence of dephasing and energy level splitting of the excitonic states. Our theoretical calculations are in agreement with the recent observation o...

In this paper we question the common wisdom that more polarised voters’ opinions imply larger policy polarisation. We analyse a voting model in which the source of the polarisation in voters’ opinions is “correlation neglect”, that is, voters neglect the correlation in their information sources. Our main result shows that such polarisation in opinions does not necessarily translate to policy po...

In this paper the use of a crossed-dipole array is proposed in joint space-time channel estimation for asynchronous multipath DS-CDMA systems. The polarisation diversity offered by such an array, unlike linearly polarised arrays, is shown to provide a better and more consistent estimation which is less sensitive to the signal polarisation. By utilising the polarisation information inherent in t...

Abstract. Agglomeration of charged ice and dust particles in the mesosphere lower thermosphere is studied using a classical electrostatic approach, which extended to capture induced polarisation surface charge. Collision outcomes are predicted whilst varying particle size, charge, dielectric constant, relative kinetic energy, collision geometry coefficient restitution. In addition Coulomb force...

In order to ensure the safe operation of submarine cables, it is great significance analyse insulation state cables from perspectives microstructure, carrier transport characteristics and macroscopic dielectric properties. this study, based on high-voltage frequency domain spectroscopy (HV-FDS) measurement system, HV-FDS experiments fresh thermally aged were carried out under continuous (0.5, 2...