optical band gap

  • 1Band gap — This article is about solid state physics. For voltage control circuitry in electronics, see Bandgap voltage reference. In solid state physics, a band gap, also called an energy gap or bandgap, is an energy range in a solid where no electron… …

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  • 2Optical beam induced current — (OBIC) is a semiconductor analysis technique performed using laser signal injection. The technique uses a scanning laser beam to create electron–hole pairs in a semiconductor sample. This induces a current which may be analyzed to determine the… …

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  • 3Optical beam-induced currents — Optical Beam Induced Current (OBIC) is a semiconductor analysis technique that employs a scanning laser beam to induce a current flow within a semiconductor sample which may be collected and analyzed to generate images that represent the sample s …

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  • 4Band — may refer to a specific group: * Band (music), a company of musicians * School band, a group of student musicians who rehearse and perform instrumental music together * Band (radio), a range of frequencies or wavelengths used in radio… …

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  • 5Optical properties of carbon nanotubes — Contents 1 Terminology 2 Electronic structure of carbon nanotube 3 Van Hove singularities …

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  • 6optical ceramics — Introduction       advanced industrial materials developed for use in optical applications.       Optical materials derive their utility from their response to infrared, optical, and ultraviolet light. The most obvious optical materials are… …

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  • 7Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… …

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  • 8Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …

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  • 9Electronic band structure — In solid state physics, the electronic band structure (or simply band structure) of a solid describes ranges of energy that an electron is forbidden or allowed to have. It is due to the diffraction of the quantum mechanical electron waves in the… …

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  • 10Direct and indirect band gaps — In semiconductor physics, the band gap of a semiconductor is always one of two types, a direct band gap or an indirect band gap. The band gap is called direct if the momentum of electrons and holes is the same in both the conduction band and the… …

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