آخرین محصولات
Aluminum and gallium nuclei as microscopic probes for pulsed …
Garnet single crystals and ceramics doped with transition and rare-earth ions are widely used as scintillator materials that convert high energy radiation into visible or infrared light. 1 Yttrium aluminum (gallium) and lutetium aluminum (gallium) garnets doped with cerium are a key component in light emitting diodes (LEDs) and lasers. 2 Coherent …
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Terbium Gallium Garnet | AMERICAN ELEMENTS
About Terbium Gallium Garnet. Terbium Gallium Garnet (TGG) is an magneto-optical crystal with a high level of thermal conductivity for Faraday rotators and isolators. …
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Laser-induced excitation and decay of coherent optical phonon …
Our material of choice for this investigation is a cobalt-doped yttrium iron garnet (YIG:Co) crystal grown on a gadolinium gallium garnet (GGG) substrate. The specific composition of ferrimagnetic YIG:Co is Y 2 CaFe 3.9 Co 0.1 GeO 12, and its thickness is within the range 4–8 μm. The sample was grown by liquid-phase epitaxy on …
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High power single-frequency and frequency-doubled laser with …
The thermal lens effect of terbium gallium garnet (TGG) crystal in a high power single-frequency laser severely limits the output power and the beam quality of the laser. By inserting a potassium dideuterium phosphate (DKDP) slice with negative thermo-optical coefficient into the laser resonator, the harmful influence of the thermal lens effect of the …
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Gadolinium Gallium Garnet Quantum Electric Processor [GGGQEP
TWEET. Gadolinium Gallium Garnet Quantum Electric Processor [GGGQEP. a guest . Aug 6th, 2015 ... The following is a theoretical data storage method that untilizes a sythetic crystal called "GGG" or "Gadolinium Gallium Garnet". It is manufactured as a diamond sythetic, and is derived from "Gadolinium Gallium Oxide". ... and is derived from ...
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Chromium, Erbium: Yttrium Scandium Gallium Garnet
Gallium Garnet - Cr, Er: YSGG . YSGG (Yttrium Scandium Gallium Garnet) doped with Chromium and Erbium provides an efficient laser crystal for generating 2.8 micron light in an important water absorption band. Advantages of Cr, Er: YSGG Include: Lowest threshold and highest slope efficiency of common Erbium doped crystals (1,2)
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Erbium, chromium-doped: yttrium, scandium, gallium, garnet and …
This study aims to evaluate the effects of 940 nm diode laser and 2780 nm erbium, chromium-doped: yttrium, scandium, gallium, garnet (Er,Cr:YSGG) laser used in addition to mechanical therapy in the non-surgical treatment of peri-implantitis on clinical parameters and matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of …
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Numerical estimation of the ground states of frustrated
Gadolinium gallium garnet belongs to the body-centred cubic crystal class. The gallium ions are in angular momentum state (L=S=0), and therefore the crystal magnetism is dominated by the gadolinium ions ((textrm{Gd}^{3+})) in angular momentum state (L=0), (S=7/2).The gadolinium ions form a hyperkagome lattice with twelve …
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Spectroscopic, optical, and thermomechanical properties of …
Spectroscopic, optical, and thermomechanical properties of gadolinium scandium gallium garnet doped with trivalent neodymium and/or chromium are reported for use in the design of high-power solid-state lasers. clickable element to expand a topic ... Tweet This; Post on reddit; Share with LinkedIn; Add to CiteULike; Add to Mendeley;
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Visible upconversion emission of Pr3+ doped gadolinium gallium garnet
The luminescence properties of a Pr3+-doped gadolinium gallium garnet (GGG, Gd3Ga5O12) nanocrystalline host were investigated. Dominant blue/green emission was observed emanating from the 3P0 --> 3H4 transition after excitation using a wavelength of 457.9 nm. Continuous wave excitation into the 1D2 level of the Pr3+ ion at 606.9 nm …
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Clinical and biochemical effects of erbium, chromium: yttrium
Objective: The purpose of this study was to investigate the clinical effects of erbium, chromium: yttrium, scandium, gallium, garnet (Er, Cr: YSGG) laser treatment as a complementary to scaling and root planning (SRP) during the treatment of chronic periodontitis and gingival crevicular fluid (GCF) interleukin-1 beta (IL-1β), interleukin-6 (IL …
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Mineral Commodity Summaries 2022
Globally, primary gallium is recovered as a byproduct of processing bauxite and zinc ores. One company in Utah recovered and refined high-purity gallium from imported primary low-purity gallium metal and new scrap. Imports of gallium metal and gallium arsenide (GaAs) wafers were valued at about $3 million and $200 million, respectively.
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The effect of Nd:YAG and Er,Cr:YSGG lasers on the
The current investigation determined the microhardness of dentin tissue irradiated with erbium, chromium-doped yttrium scandium gallium garnet (Er,Cr:YSGG) and neodymium-doped yttrium-aluminum garnet (Nd:YAG) lasers. Thirty non-carious human molars were used in this study. Dentin disks were prepared …
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Gadolinium-Gallium Garnet
T.E. Mitchell, A.H. Heuer, in Dislocations in Solids, 2004 4.10.2 YAG and other oxides with the garnet structure. Synthetic garnets such as YAG (yttrium aluminum garnet, Y 3 Al 5 O 12), YIG (yttrium iron garnet) and GGG (gadolinium gallium garnet) are of interest for use as substrates for bubble memory and other electronic devices, while natural silicate …
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High-quality single-crystal thulium iron garnet films with
Interestingly, thulium iron garnet (TmIG) films grown on (111)-oriented gadolinium gallium garnet (GGG) substrates were reported to show stress-induced PMA. 7,8 The PMA was originated from magnetization-lattice coupling under sufficient tensile strain, and overcomes the shape anisotropy, owing to the large magnetostriction …
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High-quality thulium iron garnet films with tunable
Thulium iron garnet (TmIG) films with perpendicular magnetic anisotropy (PMA) were grown on gadolinium gallium garnet (GGG) …
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Phys. Rev. Materials 2, 094405 (2018)
TbIG grows on (111) gadolinium gallium garnet (GGG) with PMA due to the in-plane compressive strain, whereas TbIG on (111) substituted GGG (SGGG) is in tension and has an in-plane easy axis. EuIG grows with PMA on (100) and (111) GGG substrates, which facilitates the investigation of spintronic properties as a function of orientation.
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Spectroscopic, optical, and thermomechanical properties of …
Gadolinium scandium gallium garnet (GSGG) codoped with neodymium (Nd) and chromium (Cr) is a new laser material that can make more efficient lasers. It is compared to Nd-doped yttrium aluminum garnet (YAG) for two types of systems: large zig-zag slab lasers and small rod lasers. Nd:Cr:GSGG has a significant advantage over Nd:YAG in large ...
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TGG Faraday Magneto-Optical Crystal Manufacturer
Terbium gallium garnet (Tb 3 Ga 5 O 12, TGG) is a crucial category of magneto-optical materials for use in the visible and the near-infrared spectral regions((400-470nm and 500-1500nm)). The TGG crystal possesses a large Verdet constant (35 RadT −1 m −1 at 1064 nm), high thermal conductivity (7.4 Wm −1 K −1), low optical losses (< 0.1%/cm) and high …
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Gadolinium Gallium Garnet | AMERICAN ELEMENTS ® …
Gadolinium Gallium Garnet is a crystalline garnet (mixed oxide) material with numerous optical applications in addition to acting as a substrate for …
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Endodontic retreatment of curved root canals using the dual
Purpose The aim of this quantitative study was to compare between a dual-wavelength laser (Er,Cr:YSGG, diode 940 nm) to the XP-Endoshaper/finisher combined with ethylenediaminetetraacetic acid (EDTA) 17% technique in removing secondary smear layer created during endodontic retreatment of curved canals. Methods Twenty-four human …
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Magneto-optical property of terbium-lutetium-aluminum garnet …
Terbium gallium garnet (TGG) is a currently common material for practical application in optical systems of optical isolation. With the rapid development of femtosecond lasers and ultrafast magnetic dynamics, TGG crystals become an important and hot research field again [3], [4], [5]. This illustrates that the terbium based materials acting as ...
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GGG Gem Guide and Properties Chart
Care. Gadolinium gallium garnet, thankfully abbreviated to GGG, is a man-made diamond simulant that entered the market in the 1960's. Today it is rarely used as a gemstone, and is instead manufactured for optical and industrial uses. The Czochralski method of gem synthesis involves the melting of various elements in a platinum crucible.
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A novel sol-gel synthesis of Ca3Nb1.775Li0.275Ga2.95O12 garnet
The morphological features of synthesized new garnet were characterized by SEM measurements. Fig. 3 shows surface morphology of Ca 3 Nb 1.775 Li 0.275 Ga 2.95 O 12 samples synthesized at 800 °C using the citric acid as complexing agent and Ga(NO 3) 3 ⋅xH 2 O as gallium source in the sol-gel processing. The SEM micrographs clearly show …
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Evidence of multicenter structure of cerium ions in gadolinium gallium
Low temperature, infrared absorption spectra of gadolinium gallium garnet crystals doped with Ce are presented. In the region of intraconfigurational 4 f-4 f transitions the spectra exhibit existence of at least two different, major Ce 3 + related centers in the GGG crystals and also some other centers at lower concentration. The spectrum of 4 f-4 …
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Optical properties of gadolinium gallium garnet
C. S. Hoefer, K. W. Kirby, and L. G. DeShazer. J. Opt. Soc. Am. B 5(11) 2327-2332 (1988) Spectroscopic, optical, and thermomechanical properties of neodymium- and chromium …
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High-efficiency Er-doped yttrium gallium garnet laser resonantly …
The spectroscopic and laser properties of an Er3+-doped yttrium gallium garnet crystal, Y3Ga5O12 (YGG), are studied. The stimulated emission cross section is 1.4×10−21cm2 at 1.65 µm. A continuous-wave laser resonantly pumped by a laser diode at 1.47 µm is demonstrated, delivering a maximum output power of 3.34 W. Benefiting from …
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Gadolinium Gallium Garnet
Gadolinium Gallium Garnet is an urban legend of an ultra dense digital storage medium, information about which can of course be exclusively accessed via the deep web.. The name was likely first coined in in 2011/2012 when the notorious deep web levels info graphic was created. In October 2012 a paste was created which references …
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Gadolinium Gallium Garnet: Properties, Manufacturing
Gadolinium gallium garnet (Gd3Ga5O12) is a synthesis garnet with impressive thermal, mechanical, and optical properties. Gadolinium gallium garnet (GGG) has a high thermal conductivity of 7.4W m-1K-1 …
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Gadolinium Gallium Garnet Faceting Information
Gadolinium Gallium Garnet Faceting Information. Gadolinium Gallium Garnet or GGG, is a crystalline material of the garnet group which may also find use in jewelry as a gemstone or a diamond stimulant. What I prefer …
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