Mr Dean Patient
Postgraduate Researcher (Metamaterials CDT 2018)
Telephone: 01392 725018
Extension: (Streatham) 5018
My work involves looking at the reflection properties of planar, graded index dielectrics, and how they effect certain systems. For example, it is possible to describe the emission of a dipole antenna in terms of the partial local density of states (PLDOS). This in turn is related to the Greens' function of the system, which is directly related to the reflection properties of the system. Thus, I can describe the emission of a dipole antenna solely as a function of the reflection coefficients of the dielectric it is placed upon. I have then looked at ways to control the refection coefficients to be able to manipulate and enhance dipole emission. I accomplish this by utilising techniques from quantum mechanics (QM) to remove the transverse electric (TE) refletivity at a particular angle.
I have extended this knowledge of reflection coefficients and Greens' functtions to begin to understand and describe how materials thermally radiate, and hope to be able to use this in the future to tailor material properties to produce more effiecient thermal emitters.