About: Terbium gallium garnet

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Terbium gallium garnet (TGG) is a kind of synthetic garnet, with the chemical composition Tb3Ga5O12. This is a Faraday rotator material with excellent transparency properties and is very resistant to laser damage. TGG can be used in optical isolators for laser systems, in optical circulators for fiber optic systems, in optical modulators, and in current and magnetic field sensors.

Attributes	Values
rdf:type	Thing dul:ChemicalObject chemical substance Mineral mineral
rdfs:label	Terbium-Gallium-Granat (de) Terbium gallium garnet (en)
rdfs:comment	Terbium-Gallium-Granat, abgekürzt TGG, ist ein kristallines Material mit einer hohen Verdet-Konstante im Bereich des sichtbaren Lichts und im nahen Infrarot. Dadurch eignet es sich besonders gut zur Herstellung von Faraday-Isolatoren. Die chemische Zusammensetzung von TGG ist Tb3Ga5O12. TGG-Kristalle werden durch Ziehen aus der Schmelze hergestellt. Es kommt meist das Czochralski-Verfahren zur Anwendung. (de) Terbium gallium garnet (TGG) is a kind of synthetic garnet, with the chemical composition Tb3Ga5O12. This is a Faraday rotator material with excellent transparency properties and is very resistant to laser damage. TGG can be used in optical isolators for laser systems, in optical circulators for fiber optic systems, in optical modulators, and in current and magnetic field sensors. (en)
foaf:name	Terbium gallium garnet (en)
name	Terbium gallium garnet (en)
dct:subject	Synthetic minerals Oxides Nonlinear optical materials Gallium compounds Terbium compounds
Wikipage page ID	43295972 (xsd:integer)
Wikipage revision ID	1080673972 (xsd:integer)
Link from a Wikipage to another Wikipage	Synthetic minerals Optical isolator Paramagnetism Gadolinium gallium garnet Optical modulator Garnet Oxides Faraday effect Nonlinear optical materials Faraday rotator Flint glass Optical circulator Gallium compounds Yttrium iron garnet Chromatic (disambiguation) Terbium compounds Yttrium aluminium garnet Verdet constant Magnetic field sensors Faraday isolator Cryogenic temperature
sameAs	Terbium gallium garnet Terbium gallium garnet Terbium gallium garnet Terbium gallium garnet Terbium gallium garnet Terbium gallium garnet Terbium gallium garnet
dbp:wikiPageUsesTemplate	dbt:Solid-state_laser dbt:Chem2 dbt:Short_description dbt:Val dbt:Infobox_mineral dbt:Engineering-stub dbt:Inorganic-compound-stub
category	Synthetic mineral (en)
Other	Paramagnetism
has abstract	Terbium-Gallium-Granat, abgekürzt TGG, ist ein kristallines Material mit einer hohen Verdet-Konstante im Bereich des sichtbaren Lichts und im nahen Infrarot. Dadurch eignet es sich besonders gut zur Herstellung von Faraday-Isolatoren. Die chemische Zusammensetzung von TGG ist Tb3Ga5O12. TGG-Kristalle werden durch Ziehen aus der Schmelze hergestellt. Es kommt meist das Czochralski-Verfahren zur Anwendung. (de) Terbium gallium garnet (TGG) is a kind of synthetic garnet, with the chemical composition Tb3Ga5O12. This is a Faraday rotator material with excellent transparency properties and is very resistant to laser damage. TGG can be used in optical isolators for laser systems, in optical circulators for fiber optic systems, in optical modulators, and in current and magnetic field sensors. TGG has a high Verdet constant which results in the Faraday effect. The Verdet constant increases substantially as the mineral approaches cryogenic temperatures. The highest Verdet constants are found in terbium doped dense flint glasses or in crystals of TGG. The Faraday effect is chromatic (i.e. it depends on wavelength) and therefore the Verdet constant is quite a strong function of wavelength. At 632 nm, the Verdet constant for TGG is reported to be −131 rad/(T·m), whereas at 1064 nm it falls to −38 rad/(T·m). This behavior means that the devices manufactured with a certain degree of rotation at one wavelength, will produce much less rotation at longer wavelengths. Many Faraday rotators and isolators are adjustable by varying the degree to which the amount of the Faraday rotator material is inserted into the magnetic field of the device. In this way, the device can be tuned for use with a range of lasers within the design range of the device. (en)
formula	Tb3Ga5O12 (en)
opticalprop	Faraday rotator
refractive	1.950000 (xsd:double)
gold:hypernym	Kind
prov:wasDerivedFrom	wikipedia-en:Terbium_gallium_garnet?oldid=1080673972&ns=0
page length (characters) of wiki page	4546 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Terbium_gallium_garnet
is Link from a Wikipage to another Wikipage of	List of gemstones by species Optical isolator Gadolinium gallium garnet TGG Garnet Faraday effect Yttrium iron garnet Terbium Gallium Garnet Verdet constant Terbium compounds
is Wikipage redirect of	Terbium Gallium Garnet
is Wikipage disambiguates of	TGG
is foaf:primaryTopic of	wikipedia-en:Terbium_gallium_garnet

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