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Thickness of the Ge 40 Se 60 /Si film on the silicon substrate as 34.5 nm, Thickness of the Ge 40 Se 60 /Si film on the oxidized silicon substrate as 33.6 nm, Thickness of SiO 2 (with n and k spectra of SiO 2 held fixed), and; n and k spectra, in 190–1000 nm range, of Ge 40 Se 60 /Si.
The majority of silicon photonic communications have so far been limited to telecom [31] and datacom applications, [32] [33] where the reach is of several kilometers or several meters respectively. Silicon photonics, however, is expected to play a significant role in computercom as well, where optical links have a reach in the centimeter to ...
Some representative refractive indices; Name of material λ (nm) Refractive index no. n Reference Vacuum: 1 (by definition) Air at STP: 1.000273 [citation needed]Gases at 0 °C and 1 atm
Silicon oxynitride is a ceramic material with the chemical formula SiO x N y.While in amorphous forms its composition can continuously vary between SiO 2 and Si 3 N 4 (silicon nitride), the only known intermediate crystalline phase is Si 2 N 2 O. [2] It is found in nature as the rare mineral sinoite in some meteorites and can be synthesized in the laboratory.
Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors.Unlike window glass or crystal, whose formula is adapted to the desired aesthetic effect, optical glass contains additives designed to modify certain optical or mechanical properties of the glass: refractive index, dispersion, transmittance, thermal expansion and ...
In fiber optics and telecommunications, an index-matching material may be used in conjunction with pairs of mated connectors or with mechanical splices to reduce signal reflected in the guided mode (known as return loss) (see Optical fiber connector). Without the use of an index-matching material, Fresnel reflections will occur at the smooth ...
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