mirrors, explained by RP; properties, optical specifications, metal Explore
A mirror is an optical device which can reflect light. Usually, only those devices are meant where the reflection is of specular type and the angle of reflection equals the
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A mirror is an optical device which can reflect light. Usually, only those devices are meant where the reflection is of specular type and the angle of reflection equals the
Protected aluminum mirrors, e.g. with a SiO 2 coating, are used for many broadband applications in the visible and ultraviolet spectral region, reaching reflectivities well
In an Enhanced Aluminum coating, a multi-layer film of dielectrics on top of aluminum is used to increase the reflectance in the visible or ultraviolet regions. This
Aluminum is the metallic chemical element of atomic number 13. Its symbol is Al; its atomic weight is 26.98; its specific gravity is 2.70; its melting point is 1,
Mirror, any polished surface that diverts a ray of light according to the law of reflection. The typical mirror is a sheet of glass that is coated on its back with aluminum or silver that produces images by reflection. The mirrors used in Greco-Roman antiquity and throughout the European
Mirror. A mirror reflecting the image of a vase. A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the
A mirror is an optical device which can reflect light. Usually, only those devices are meant where the reflection is of specular type and the angle of reflection equals the angle of incidence (see Figure
Protected aluminum mirrors, e.g. with a SiO 2 coating, are used for many broadband applications in the visible and ultraviolet spectral region, reaching reflectivities well above 90% in the visible but often below 90% in the UV (similar to bare aluminum). Compared with silver mirrors, such enhanced aluminum mirrors have a lower tendency for
Protected aluminum mirrors are relatively cheap mirrors for the visible and near-IR spectral region. They have a protective coating, e.g. made of silicon monoxide, but not particularly enhanced optical properties. There are UV-enhanced aluminum mirrors with particularly high reflectivity for ultraviolet light down to approx;250 nm. The
In an Enhanced Aluminum coating, a multi-layer film of dielectrics on top of aluminum is used to increase the reflectance in the visible or ultraviolet regions. This coating is ideal for applications requiring increased reflectance from 400 – 650nm while the UV and DUV Enhanced Aluminum coatings yield increased reflectance from 120 – 400nm
The common materials of mirrors include ceramics (SiC), glasses (glass ceramics, fused silica), and metals (aluminum, beryllium). Among them, the AM technology of metals is the most mature and widely used. Researchers have recently extensively developed the new-generation metal mirror to improve performance and lightweight
Aluminum is the metallic chemical element of atomic number 13. Its symbol is Al; its atomic weight is 26.98; its specific gravity is 2.70; its melting point is 1, 220.5 ° F (660 ° C); and its boiling point is 4, 566.2 ° F (2, 519 ° C). Aluminum is a metal in group 13 of the periodic table. Its atoms consist of a single stable isotope, 27
At present, the aluminum alloys used in manufacturing mirrors are mainly Al-Si alloy and Al-Mg-Si alloy, including AlSi 7 Mg 0.6, AlSi 10 Mg, AlSi 12, and AlSi 40. The addition of silicon improves the fluidity of aluminum and reduces its melting
Description: John Donovan Strong (1905-1992), a young physicist at the California Institute of Technology, was one of the first to coat a mirror with aluminum by thermal vacuum evaporation. This example, which dates from 1931-1932, is his first, and also the earliest known example of a escope mirror of this