Now showing items 1-10 of 21
Generation and detection of bessel beams.
In this dissertation we study the properties of Bessel-Gauss beams. Bessel-Gauss beams are created by the interference of plane waves lying on a cone, and have unique properties: they propagate without spreading and ...
Devices for the construction of a cold atom experiment.
The experimental setup for laser cooling and trapping of 87Rb atoms with the aid of a Magneto-optical trap (MOT) is discussed. The experiment has a diverse setup, which includes: a vacuum system in which the cooling and ...
Modelling of VLF radio propagation in the earth-ionosphere waveguide.
Abstract available in PDF file.
Applications of digital holograms for the selection and detection of transverse laser modes.
The transverse mode of generally available commercial lasers in most instances is not suitable for desired applications. Shaping the laser beam either extra-cavity, that is outside the laser resonator, or intra-cavity, ...
1-D particle-in-cell simulations of plasmas with kappa velocity distributions.
The main aim of this project was the development of a particle-in-cell (PIC) plasma simulation code. While particle-in-cell simulations are not new, they have largely focused on using an initial Maxwellian particle ...
An investigation of electric-field-gradient-induced Birefringence in fluids.
The theory of electric-field-gradient-induced birefringence (EFGIB, the Buckingham effect) is briefly reviewed, and modifications to the Buckingham-effect apparatus are described. These modifications have increased the ...
Bulk heterojunction organic solar cell.
The low material costs and the ease fabrication procedures of organic solar cells has earned them too much interest from scientists all over the world. Much of the e orts were given to the improvement of the power ...
Single and double layer bulk heterojunction organic solar cell.
Bulk heterojunction photovoltaic device based on the binary organic comprised of P3HT:PCBM and PTB7:PCBM with weight ratio of 1:1 and 1:1.5 respectively. We used these blends as a photo-active layer with different ...
Development of encoding and entanglement for free space quantum key distribution.
It is established that the manipulation of quantum information is bound only by the laws of physics and thus information can be characterised, quantified and processed as a physical entity using the basic properties of ...