Article - 15 Nov 2005
PR composites functionalized with a boron derivative nonlinear chromophore were fabricated. The diffraction efficiency, optical gain coefficient, phase shift, and effect on the chromophore orientation...
Article - 18 Oct 2005
Research has been done into using organic materials in optical devices. Stable and functional polarization holographic devices using photocrosslinkable polymer liquid crystals have been demonstrated...
Article - 20 Sep 2005
Multi-dimensional Al2O3/Ni nanocomposites with preserved multifunctional magnetic properties are successfully fabricated by an aqueous monomer suspension casting and coating processes. An optimal...
Article - 17 May 2005
The major advantages of using aluminium are tied directly to its remarkable properties. This article looks at the properties of aluminium and aluminium alloys as well as production of and applications...
Article - 4 Jul 2002
Vacuum induction melting is a process used for high purity metals and alloys. The process and furnace components are outlined. The types of materials typically processed, removal of impurities and...
Article - 10 Apr 2002
Aluminium extrusions are extensively used in building due to their strength, low density, corrosion resistance and design flexibility. Typical applications include window and door frames, curtain...
Article - 7 Jan 2002
One of the barriers to wide spread acceptance of solar energy is the cost of photovoltaic systems. This article looks at ways these costs can be reduced such as capital costs, deposition rates, other...
Article - 14 Dec 2001
The basic design principles and components of a photovoltaic system are discussed. Other factors such as applications, appropriateness, effects of weather, system size, direct and alternating current...
Article - 7 Nov 2001
Vinyl windows are used in many residential and light commercial applications. They are similar to aluminium windows, using an extruded frame around a glass pane.
To process simultaneously several samples and guarantee continuity to the service with rapid response time, the standard solution is to employ two instruments.