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45 relations: Acousto-optics, Anti-aliasing filter, Band gap, Birefringence, Crystal, Crystal structure, Crystal system, Crystallite, Crystallization, Czochralski process, Ferroelectricity, Hexagonal crystal family, Laser, Laser-heated pedestal growth, Lithium, Lithium tantalate, Magnesium oxide, Micro-pulling-down, Micrometre, Mobile phone, Nanometre, Nanoparticle, Nanostructure, Niobium, Niobium pentoxide, Nonlinear optics, Optical modulator, Optical parametric oscillator, Optical switch, Oxygen, Periodic poling, Photoelasticity, Piezoelectricity, Pockels effect, Point reflection, Potassium titanyl phosphate, Q-switching, Quasi-phase-matching, Second-harmonic generation, Seed crystal, Sellmeier equation, Single crystal, Stoichiometry, Surface acoustic wave, Waveguide (optics).
Acousto-optics
Acousto-optics is a branch of physics that studies the interactions between sound waves and light waves, especially the diffraction of laser light by ultrasound (or sound in general) through an ultrasonic grating.
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Anti-aliasing filter
An anti-aliasing filter (AAF) is a filter used before a signal sampler to restrict the bandwidth of a signal to approximately or completely satisfy the sampling theorem over the band of interest.
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Band gap
In solid-state physics, a band gap, also called an energy gap or bandgap, is an energy range in a solid where no electron states can exist.
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Birefringence
Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light.
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Crystal
A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
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Crystal structure
In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material.
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Crystal system
In crystallography, the terms crystal system, crystal family and lattice system each refer to one of several classes of space groups, lattices, point groups or crystals.
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Crystallite
A crystallite is a small or even microscopic crystal which forms, for example, during the cooling of many materials.
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Crystallization
Crystallization is the (natural or artificial) process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal.
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Czochralski process
The Czochralski process is a method of crystal growth used to obtain single crystals of semiconductors (e.g. silicon, germanium and gallium arsenide), metals (e.g. palladium, platinum, silver, gold), salts and synthetic gemstones.
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Ferroelectricity
Ferroelectricity is a characteristic of certain materials that have a spontaneous electric polarization that can be reversed by the application of an external electric field.
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Hexagonal crystal family
In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes 2 crystal systems (hexagonal and trigonal) and 2 lattice systems (hexagonal and rhombohedral).
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Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
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Laser-heated pedestal growth
Laser-heated pedestal growth (LHPG) or laser floating zone (LFZ) is a crystal growth technique.
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Lithium
Lithium (from lit) is a chemical element with symbol Li and atomic number 3.
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Lithium tantalate
Lithium tantalate (LiTaO3) is a perovskite which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensors such as motion detectors, terahertz generation and detection, surface acoustic wave applications, cell phones and possibly pyroelectric nuclear fusion.
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Magnesium oxide
Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).
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Micro-pulling-down
The micro-pulling-down (µ-PD) method is a crystal growth technique based on continuous transport of the melted substance through micro-channel(s) made in a crucible bottom.
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Micrometre
The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".
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Mobile phone
A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
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Nanometre
The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).
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Nanoparticle
Nanoparticles are particles between 1 and 100 nanometres (nm) in size with a surrounding interfacial layer.
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Nanostructure
A nanostructure is a structure of intermediate size between microscopic and molecular structures.
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Niobium
Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41.
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Niobium pentoxide
Niobium pentoxide is the inorganic compound with the formula Nb2O5.
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Nonlinear optics
Nonlinear optics (NLO) is the branch of optics that describes the behavior of light in nonlinear media, that is, media in which the dielectric polarization P responds nonlinearly to the electric field E of the light.
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Optical modulator
An optical modulator is a device which is used to modulate a beam of light.
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Optical parametric oscillator
An optical parametric oscillator (OPO) is a parametric oscillator that oscillates at optical frequencies.
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Optical switch
An optical switch is a device that enables optical signals to be selectively switched-on and -off or switched from one channel to another.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Periodic poling
Periodic poling is a formation of layers with alternate orientation in a birefringent material.
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Photoelasticity
Photoelasticity describes changes in the optical properties of a material under mechanical deformation.
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Piezoelectricity
Piezoelectricity is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics, and biological matter such as bone, DNA and various proteins) in response to applied mechanical stress.
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Pockels effect
The Pockels effect (after Friedrich Carl Alwin Pockels who studied the effect in 1893), or Pockels electro-optic effect, changes or produces birefringence in an optical medium induced by an electric field.
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Point reflection
In geometry, a point reflection or inversion in a point (or inversion through a point, or central inversion) is a type of isometry of Euclidean space.
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Potassium titanyl phosphate
Potassium titanyl phosphate (KTiOPO4) or KTP is a nonlinear optical material which is commonly used for frequency doubling diode pumped solid-state lasers such as Nd:YAG and other neodymium-doped lasers.
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Q-switching
Q-switching, sometimes known as giant pulse formation or Q-spoiling, is a technique by which a laser can be made to produce a pulsed output beam.
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Quasi-phase-matching
Quasi-phase-matching is a technique in nonlinear optics which allows a positive net flow of energy from the pump frequency to the signal and idler frequencies by creating a periodic structure in the nonlinear medium.
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Second-harmonic generation
Second harmonic generation (also called frequency doubling or SHG) is a nonlinear optical process in which two photons with the same frequency interact with a nonlinear material, are "combined", and generate a new photon with twice the energy of the initial photons (equivalently, twice the frequency and half the wavelength).
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Seed crystal
A seed crystal is a small piece of single crystal or polycrystal material from which a large crystal of typically the same material is to be grown in a laboratory.
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Sellmeier equation
The Sellmeier equation is an empirical relationship between refractive index and wavelength for a particular transparent medium.
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Single crystal
A single crystal or monocrystalline solid is a material in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries.
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Stoichiometry
Stoichiometry is the calculation of reactants and products in chemical reactions.
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Surface acoustic wave
A surface acoustic wave (SAW) is an acoustic wave traveling along the surface of a material exhibiting elasticity, with an amplitude that typically decays exponentially with depth into the substrate.
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Waveguide (optics)
An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum.
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Redirects here:
LiNbO3, PPLN, Periodically poled lithium niobate.
References
[1] https://en.wikipedia.org/wiki/Lithium_niobate
