Further attenuation is caused by light absorbed by residual materials, such as metals or water ions, within the fiber core and inner cladding. Since different atoms and molecules have different natural frequencies of vibration, they will selectively absorb different frequencies (or portions of the spectrum) of infrared light. The volume fraction of porosity had to be reduced below 1% for high-quality optical transmission (99.99 percent of theoretical density). Oleic acid presented higher values of transparency than fatty acids and beeswax, possibly due to the heterogeneity of the latter two components when present in the film's structure ( Fabra et al. Therefore, the transmittance is 0%. In a metallic bond, any potential bonding electrons can easily be lost by the atoms in a crystalline structure. The transparency or translucency of plastics depends on the type and structure of the polymer/crystallinity and types Creative Commons Attribution/Share-Alike License; The act of transmitting, e.g. Transparent ceramics have created interest in their applications for high energy lasers, transparent armor windows, nose cones for heat seeking missiles, radiation detectors for non-destructive testing, high energy physics, space exploration, security and medical imaging applications. Guided light wave transmission via frequency selective waveguides involves the emerging field of fiber optics and the ability of certain glassy compositions to act as a transmission medium for a range of frequencies simultaneously (multi-mode optical fiber) with little or no interference between competing wavelengths or frequencies. Most insulators (or dielectric materials) are held together by ionic bonds. Transmission and Opacity are pretty similar in Arnold compared with other render engines. As a noun transmission is the act of transmitting, eg data or electric power. This is how colored glass is produced. Light travels along the fiber bouncing back and forth off of the boundary. Large laser elements made from transparent ceramics can be produced at a relatively low cost. It is the fraction of incident electromagnetic power that is transmitted through a sample, in contrast to the transmission coefficient, which is the ratio of the transmitted to incident electric field. Primary scattering centers in polycrystalline materials include microstructural defects such as pores and grain boundaries. The photon is destroyed in the process and the absorbed radiant energy is transformed to electric potential energy. When light falls onto a block of metal, it encounters atoms that are tightly packed in a regular lattice and a "sea of electrons" moving randomly between the atoms. The states in different materials vary in the range of energy that they can absorb. Most materials are composed of materials which are selective in their absorption of light frequencies. These interactions depend on the wavelength of the light and the nature of the material. They absorb certain portions of the visible spectrum while reflecting others. Color centers (or dye molecules, or "dopants") in a dielectric absorb a portion of the incoming light. Perhaps more important is that walls and other applications will have improved overall strength, especially for high-shear conditions found in high seismic and wind exposures. Mechanisms of selective light wave absorption include: In electronic absorption, the frequency of the incoming light wave is at or near the energy levels of the electrons within the atoms which compose the substance. Most liquids and aqueous solutions are highly transparent.