Optical losses of evaporation-deposited dielectric waveguides

Magnesium Oxide (MgO)

“…Deitch et al [66] used RF sputtering to prepare MgO films and observed formation of a white haze on the films after exposure to air. These values are close to the single-crystal value of 1.7346, whereas films that were electron-beam evaporated by Kersten et al [67] had n values in the range 1.684 to 1.702, depending on the substrate. These values are close to the single-crystal value of 1.7346, whereas films that were electron-beam evaporated by Kersten et al [67] had n values in the range 1.684 to 1.702, depending on the substrate.…”

Deposition and characterization of alpha alumina thin films prepared by chemical bath deposition

“…By using ion irradiation (or implantation) techniques, a variety of metal ions have been implanted in sapphire to alter its physical, chemical, electrical, optical, and mechanical properties. [2][3][4][5]. Alumina is widely used in very high frequencies (UHF), as interconnection, resistances, capacitors, hybrid circuits, multi-layer interconnection circuits, materials for type II condensers, and hyper frequency resonators (mobile phones).…”

Synthesis and room-temperature ferromagnetism of CeO2nanocrystals with nonmagnetic Ca2+doping

“…In this work, Ce 1−x Ca x O 2−δ was chosen as the target material because CeO 2 is a robust rare earth oxide insulator and it has many applications [18,19]. These applications have made CeO 2 to already be used in catalysis, electrolysis, and optical coatings [20][21][22][23][24], so it is a very interesting candidate to develop RTFM for novel multifunctional devices. In addition, CeO 2 and its solid solutions have intrinsic defects that can control the structure and moreover the physical properties.…”