Optical properties calculated for multidielectric quarter-wave coatings on microspheres

Calculated Optical Properties of RuO2

We performed a first-principle, computational study of the optical properties of ruthenium dioxide. Our method employed a local density potential and the linear combination of atomic orbitals (LCAO). We circumvented a recently discovered spurious effect that is inherently associated with basis sets in variational calculations of the Rayleigh-Ritz type. Consequently, a significantly new feature ...

Black chromium coatings : experimental and calculated optical properties using inhomogeneous medium theories

2014 Bulk composition, surface and volume structures and optical characterization of selective black chromium coatings used for photothermal conversion of solar energy are presented. A model of the optical properties, taking into account all these parameters and using Maxwell Garnett and Effective Medium Theories for the determination of an effective dielectric constant for the inhomogeneous an...

Optical coatings for glazings

This paper reviews the state of the art for optical coatings for glazings and gives a view to some developments that will be feasible in the near future. Emphasis is put on coatings for energy efficiency and solar energy applications, and key concepts such as spectral and angular selectivity, large-area chromogenics, and smart windows are introduced and discussed. Recent advances in electrochro...

Thermal noise from optical coatings in gravitational wave detectors.

Gravitational waves are a prediction of Einstein's general theory of relativity. These waves are created by massive objects, like neutron stars or black holes, oscillating at speeds appreciable to the speed of light. The detectable effect on the Earth of these waves is extremely small, however, creating strains of the order of 10(-21). There are a number of basic physics experiments around the ...

Optical Properties of Materials Calculated from First Principles Theory