Dopant
Dopant A dopant, also called doping agent and dope, is ... is called doping. The addition of a dopant to a semiconductor has the effect of ... p type) charge carriers depending on the dopant species. Pure semiconductors altered by the presence ... gemstones (such as rubies) sometimes contain a dopant to identify them as such.
http://en.wikipedia.org/wiki/Dopant - 2k - Cached - Similar pages

Talk:Dopant
Talk:Dopant Removed the stuff below from the article ... process called doping. Another name for a dopant is impurity.
http://en.wikipedia.org/wiki/Talk:Dopant - 1k - Cached - Similar pages

Optical amplifier
... achieved by stimulated emission of photons from dopant ions in the doped fibre. The pump ... The amplification window is defined by the dopant ions used, the glass structure of the ... photons captured may then interact with other dopant ions, and are thus amplified by stimulated ... DFA due to Population inversion of the dopant ions. The inversion level of a DFA ... portion of the linewidth broadening of the dopant ions, the gain spectrum has an ...
http://en.wikipedia.org/wiki/Optical_amplifier - 20k - Cached - Similar pages

Yttrium aluminium garnet
... located at 807.5 nm. [1] The dopant concentration in commercially available Nd:YAG usually ... between 0.5-1.4 molar %. Higher dopant concentration is used for pulsed lasers, lower ... nm, allowing for efficient flashlamp pumping. The dopant concentration used is high, about 50% of ... power diode-pumped solid state lasers. The dopant levels used range between 0.2-30 ... are located between 400-800 nm. The dopant levels used are 0.35 atom.% ...
http://en.wikipedia.org/wiki/Yttrium_aluminium_garnet - 16k - Cached - Similar pages

Doping (semiconductor)
... to its better controllability. The number of dopant atoms needed to create a difference in ... small. Where a comparatively small number of dopant atoms are added (of the order of ... often shown as n+ for n-type dopant or p+ for p-type doping. A ... be found in the article on semiconductors. Dopant elements Group IV semiconductors For the group ... dope silicon. Boron is the p-type dopant of choice for silicon integrated circuit ...
http://en.wikipedia.org/wiki/Doping_(semiconductor) - 10k - Cached - Similar pages

Semiconductor
... doped to such high levels that the dopant atoms are an appreciable fraction of the ... is never far from an immobile positive dopant ion, and the n-doped material normally ... normal for the silicon lattice. Thus the dopant atom can accept an electron from a ... bond. Such dopants are called acceptors. The dopant atom accepts an electron, causing the loss ... is associated with a nearby negative-charged dopant ion, and the semiconductor remains electrically ...
http://en.wikipedia.org/wiki/Semiconductor - 29k - Cached - Similar pages

Talk:Electron hole
... then all the holes are near negative dopant ions, so the holes don't repel ... when the holes first left the neutral dopant atoms, the dopant atoms acquired an extra electron and became ... now more holes than there are negative dopant ions, in that case the extra uncancelled ...
http://en.wikipedia.org/wiki/Talk:Electron_hole - 11k - Cached - Similar pages

Talk:Semiconductor
... through a maximum as a function of dopant right around 1:2 dopant:thiophene unit. Therefore, fully doped poly(thiophene ... a p-type semiconductor, depending on the dopant species. But what about intrinsic silicon? Is ... very small. That way the cloud of dopant-produced carriers acts like an easily compressed ...
http://en.wikipedia.org/wiki/Talk:Semiconductor - 28k - Cached - Similar pages

Talk:Laser
... YAG=yttrium aluminium garnet), but a different dopant material (holmium instead of neodymium), see information ... do with it... What happens when the dopant is removed from the laser? Why aren ... not know it. If you remove the dopant from a solid-state laser, you don ... it's (usually) electronic transitions in the dopant ions that cause the laser action. If ...
http://en.wikipedia.org/wiki/Talk:Laser - 149k - Cached - Similar pages

Ion implantation   (translated from Japanese)
... orbit due to. Application to semiconductor engineering Dopant fill As for ion implantation being applied ... boron 、 phosphorus 、ArsenicAnd so on the dopant of very high purity is formed from ... high. Due to the fact that the dopant is filled, in the semiconductor electron or ...
http://ja.wikipedia.org/wiki/イオン注入 - 6k - Cached (Japanese) - Wikipedia (Japanese) - Similar pages