What does doped glass mean?
A dopant, also called a doping agent, is a trace of impurity element that is introduced into a chemical material to alter its original electrical or optical properties.
What uses er3 doped erbium glass?
____________ uses Er3+-doped erbium glass. Explanation: The erbium-based micro fiber amplifier uses Er3+-doped erbium glass.
What is doped material?
In semiconductor production, doping is the intentional introduction of impurities into an intrinsic semiconductor for the purpose of modulating its electrical, optical and structural properties. The doped material is referred to as an extrinsic semiconductor.
What does doped mean in chemistry?
Doping means the introduction of impurities into a semiconductor crystal to the defined modification of conductivity. Two of the most important materials silicon can be doped with, are boron (3 valence electrons = 3-valent) and phosphorus (5 valence electrons = 5-valent).
Which optical amplifier has more advantages?
Semiconductor optical amplifiers
Explanation: Semiconductor optical amplifiers are having smaller size. They can be integrated to produce subsystems. Thus are more profitable than other optical amplifier.
In which amplifier Rayleigh scattering can be reduced?
Explanation: Rayleigh scattering adverse effects can be reduced in Raman Amplification.
What is heavily doped?
heavily doped means more concentration of the charge carriers, which causes the increase in conductivity and hence becomes metallic like characteristics.
What is the history of doped-glass reflow?
RTP technology has now been in production for doped-glass reflow for over ten years. The need for high-temperature reflow of doped oxide is due to the very tight wordline-to–wordline pitch in a DRAM device relative to that of a logic device. Inadequate reflow can result in shorts between the wordlines or digit contacts.
What is the marking on tempered spandrel glass?
Tempered spandrel glass shall be provided with a removable paper marking by the manufacturer.
What are semiconductor-doped glasses?
Semiconductor-doped glasses (SDGs) were, however, not so widely used. One very important application of SDGs are sharp cut-off glass filters. In most cases, CdS x Se x–1 nanocrystals are used for this purpose. By varying x, the position of the cut-off wavelength can be precisely tuned between ∼400 and 1000 nm.
What does decorative glass mean?
DECORATIVE GLASS. Each pane shall bear the manufacturer’s mark designating the type and thickness of the glass or glazing material.