137 results about "Tellurite glass" patented technology

A thin film battery comprises a substrate, anode and cathode current collector layers formed over the substrate, anode and cathode layers formed over and in electrical contact with respective ones of the current collector layers, and an electrolyte layer formed between the anode and cathode layers. The thin film battery further comprises a barrier layer formed from a material such as tin oxide, tin phosphate, tin fluorophosphate, chalcogenide glass, tellurite glass or borate glass. The barrier layer is configured to encapsulate the thin film battery layers and substantially inhibit or prevent exposure of the thin film battery layers to air or moisture.

The invention discloses rare-earth doped oxyfluoride tellurate scintillation glass and a preparation method thereof. Raw materials TeO2, PbF2, BaF2 and Gd2O3 of the scintillation glass are high-density compounds, so the obtained oxyfluoride tellurate glass has high density, and the density can reach over 6g/cm<3>. Compared with the traditional scintillation glass containing the raw materials PbO, Bi2O3 and the like according to the raw material formula, the scintillation glass of the invention has high short wavelength blue-violet light transmittance and avoids self absorption of the glass; wide wave band also can transmit visible light; the Gd2O3 raw material contained in the scintillation glass can sensitize the luminescence of rare-earth ions such as Tb3+, Ce3+ and the like and greatly improves the output of scintillation light; therefore, the scintillation glass has the advantages of high density, strong scintillation light emission and output, wide wave band and good short wavelength transmission performance. The preparation method for the scintillation glass is simple and has low production cost.

A tellurite-based glass composition for use in EDFAs exhibits higher phonon energy without sacrificing optical, thermal or chemical durability properties. The introduction of boron oxide (B₂O₃) into the Er³⁺-doped tellurite glasses increases the phonon energy from typically 785 cm⁻¹ up to 1335 cm⁻¹. The inclusion of additional glass components such as Al₂O₃ has been shown to enhance the thermal stability and particularly the chemical durability of the boro-tellurite glasses. Er:Yb codoping of the glass does further enhance its gain characteristics.

An optical fiber, which has a zero-material dispersion wavelength equal to or greater than 2 μm, and a high nonlinear susceptibility χ³ equal to or greater than 1×10⁻¹² esu, and uses tellurite glass having sufficient thermal stability for processing into a low loss fiber, employs a PCF structure or HF structure having strong confinement into a core region. This enables light to propagate at a low loss. The size and geometry of air holes formed in the core region, and the spacing between adjacent air holes make it possible to control the zero dispersion wavelength within an optical telecommunication window (1.2-1.7 μm), and to achieve large nonlinearity with a nonlinear coefficient γ equal to or greater than 500 W⁻¹ km⁻¹.

The invention relates to a piece of luminous oxyhalide tellurate glass with 2 Mum wave band, the glass compositions and mole percentages are as follows: TeO2: 40-85, PbO: 0-15; PbF2 plus ZnF2: 5-30; ZnO: 0-15; GeO2: 0-10; Nb2O5: 0-10; WO3: 0-10; Li2O plus Na2O plus K2O: 3-10; Tm2O3 plus Ho2O3 plus Er2O3 plus Yb2O3: 2-7, wherein, at least one of the Tm2O3 and the Ho2O3 is not equal to zero. The glass is prepared through a common melting method. The oxyhalide tellurate glass of the invention has the advantages of high infrared transmittance, transparence, no crystallization, no bubbles and stripes, excellent pinhole test, high luminous efficiency at the 2 Mum wave band, etc. The preparation technique is simple, can be operated easily and has lower cost. The materials of the invention are applicable to infrared laser optical lenses at the 2 Mum wave band or infrared special fiber matrix materials at the 2 Mum wave band.

The invention relates to a tellurium-containing glass material and a preparation method and an application thereof. The tellurium-containing glass material comprises, by molar percentage, 30% to 70% of TeO2, 2% to 25% of ZnO, 0% to 30% of Nb2O5, 0% to 25% of Bi2O3, 0% to 20% of BaO, 0% to 30% of WO3, 0% to 20% of MoO3 and 0% to 25% of SiO2. According to the tellurium-containing glass material, tellurite glass of a low melting temperature replaces traditional tellurium-containing glass, the stability of the glass material is enhanced by introducing a plurality of network outside bodies and network intermediates to form three-dimensional network frameworks simultaneously, and the obtained glass material is free of lead, low in melting and good in stability.

The present invention relates to a rare earth doping oxyfluoride tellurite nucleated glass and the preparing method thereof, and the mol percentage of the nucleated glass is as follows: TeO2: 68-73%, ZnO: 15-18%, ZnF2: 7-10%, RF3(R is a rare earth element): 3-5%. The preparing method is firstly preparing oxyfluoride tellurite glass with a melting method, then through an accurate heat processing technique the substrate glass is heat treated for crystallization to obtain a transparent oxyfluoride tellurite nucleated glass. The prepared oxyfluoride tellurite nucleated glass is excellent and has excellent infrared transmitting property and the dimension of the crystal phase in the nucleated glass is tens in nano-scale. The preparing method of the nucleated glass of the invention is simple relatively, comparing with the fluoride glass the stability of the glass is better and the heat treating blooming process can be controlled more easily. The nucleated glass is suitable for applying in the optical window material of the mid-infrared waveband, and is used for high intensity upper converting luminous material.

A family of alkali-tungsten-tellurite glasses that consist essentially of, as calculated in mole percent, 10-90% TeO2, at least 5% W03 and at least 0.5% R2O where R is Li, Na, K, Cs, Tl and mixtures, that may contain a lanthanide oxide as a dopant, in particular erbium oxide, and that, when so doped, is characterized by a fluorescent emission spectrum having a relatively broad FWHM value.

The invention discloses tellurate glass powder for preparing front surface silver paste for a solar cell. The tellurate glass powder comprises the ingredients in percentage by mass: 55-97.9% of TeO<2>, 1-20% of Bi<2>O<3>, 1-20% of Li<2>O, 0.1-5% of PbO, 0-10% of ZnO, 0-5% of Al<2>O<3> and 0-10% of SiO<2>. In addition, the invention discloses the front surface silver paste for the solar cell and a preparation method for the front surface silver paste. The effect of environmental protection is ensured; and in addition, the efficiency of the front surface silver paste for the solar cell can reach or even can exceed that of the commercial paste.

It is a tellurate glass double-layer fiber mixed with Yb#+[3+] and its process method, which uses tellurate glass system as fiber core material of the fiber and uses tellurate glass system with matching refractive index, expansion index and intenerate temperature with the core material as inner layer. The method is the following: to choose matchable fiber core and inner layer glass materials; to melt them; to process pre-made bar to form core composite; finally to do fiber pulling to plastic package layer coating and fixing to make the double-layer fiber.

The invention relates to thulium-doped tellurate glass doubly-clad optical fiber and a preparation method thereof. Thulium-doped tellurate glass used as a fiber core comprises the following ingredients in mole percentage: 40 to 90 mol% of TeO2, 5 to 40 mol% of WO3, 0 to 5 mol% of Nb2O5, 0 to 5 mol% of BaO, 0 to 14.9 mol% of La2O3, 0 to 20 mol% of GeO2, 0 to 5 mol% of R2O (R is Li, Na, K), 0 to 5 mol% of P2O5 and 0.1 to 5 mol% of Tm2O3. The preparation method comprises the following steps of: preparing the fiber core, inner cladding glass and outer cladding glass by utilizing a fusion method, preparing an optical fiber prefabricated rod by adopting a rod-in-tube technique, and drawing twice by adopting an appropriate wiredrawing process to obtain the doubly-clad tellurate glass optical fiber, wherein the loss at 1.3mu m is less than 2.9dB/m. The doubly-clad tellurate glass optical fiber has favorable anti-devitrification stability, higher glass-transition temperature and softening temperature and lower thermal expansion coefficient compared with common tellurate glass and accords with the single mold transmission condition. Proved by experiments, the optical fiber can realize output of 2nm-class laser under the pumping of an 800nm commercial laser diode, and the full width at half maximum (FWHM) of a laser spectrum reaches 15nm.

The invention tellurate glass and a preparation method is disclosed, among which the basic compositions of the glass are 65-85 mol percent of TeO2, 0-20 mol percent PbO, 2-8 mol percent of PbF2, 0-10 mol percent of Bi2O3, 0-15 mol percent Nb2O5. , Being prepared through a common melting method. In the melting process, preparation technologies like stirring, putting into dry nitrogen and clarification are adopted to ensure that [OH-] mass in the glass compositions can be effectively removed. The glass material is characterized by good materialization stability, favorable fiber-forming, high third-order nonlinear susceptibility, small dispersion slope and so on; the preparation process has simple and easy operation and low cost. The invention is applicable to use optical fiber matrix material in super short pulser source of optical communication.

The invention discloses rare earth doped oxyfluoride tellurite scintillation glass and a preparation method thereof. The scintillation glass and the preparation method have the following advantages: the raw materials of the scintillation glass, such as TeO2, PbF2, BaF2 and Gd2O3, are all high-density compounds, so the obtained oxyfluoride tellurite glass has density higher than 6g/cm<3>; compared with the traditional scintillation glass containing such raw materials as PbO and Bi2O3, the scintillation glass containing the above raw materials has higher short wavelength blue and violet light transmittance, so self-absorption of the scintillation glass is avoided and visible light can transmit the glass even the wave band is wider; and the scintillation glass contains Gd2O3, and luminescence of sensitized Tb3<+>, Ce3<+> and other rare earth ions greatly improves flare light output. Therefore, the scintillation glass has the advantages of high density, strong flare light luminescence output, wider wave band and good short wavelength transmittance; and the preparation method of the scintillation glass is simple and is lower in production cost.

A Tm3+/Yb3+ codoped oxyfluorotellurate glass with high up-conversion power to strong blue light is prepared by fusion method. It contains TeO2, B2O3, PbF2, WO3, ZnF2, Tm2O3 and Yb2O3 proportionally. Its advantages are high transparency, excellent physical and chemical properties, and strong blue light converting power.

The present invention is oxide-fluoride-tellurate glass with excellent heat stability and its preparation. The oxide-fluoride-tellurate glass has molar material composition of 70TeO2.(20-x)BaO.xBaF2.(10-y)La2O3.yLaF3, where x is 0-20 and y is 0-10. The oxide-fluoride-tellurate glass is prepared through melting process, is transparent a has no recrystallization. The oxide-fluoride-tellurate glass of the present invention has high heat stability and may be excellent glass substrate material for RE ion doped fiber.

The invention provides an erbium ion doped intermediate infrared luminous fluorine tellurate glass. In terms of mol percentage, the glass comprises the following components by mole percent: 43-53 % of ZrF4, 18-22 % of CaF2, 3-5 % of YF3, 2-4 % of AlF3, 18-22 % of NaF, 0-5 % of TeO2, 0-5 % of GeO2, 0-5 % of Bi2O3 and 2-8 % of ErF3. The glass is prepared by using a covered platinum crucible and a silicon carbide rod electric furnace melting method. According to the invention, after heavy metal oxide is introduced, a fluoride glass is still transparent without crystallization, the infrared transmission rate of the glass is 85 % near intermediate infrared 2.7 microns, the heat stability of the glass is improved and the chemical stability of the glass is also improved; under laser diode pumping with wavelength of 980 nm, obviously enhanced intermediate infrared 2.7 microns fluorescence can be obtained; and the erbium ion doped intermediate infrared luminous fluorine tellurate glass provided by the invention is suitable for preparing and using erbium ion doped special glass and optical fiber materials which are luminous at intermediate infrared wave band of 2.7 microns.

The invention provides germanate-tellurite glass for double-clad fiber and a preparation method of the fiber. The germanate-tellurite glass for the double-clad fiber comprises thulium doped fiber core glass, inner clad glass and outer clad glass. An optical fiber preform provided with a hexagonal inner clad is prepared with a stacking method, the fiber which is the double-clad fiber provided with the hexagonal inner clad is formed by wire drawing once in a wire drawing tower. The fiber integrates advantages of germanate glass and tellurite glass; the glass contains Al2O3, has better thermal properties and more excellent spectral properties; and by means of the thulium doped fiber core, minus 2 mu m laser output can be achieved.

The invention discloses anhydrous oxyhalide tellurite glass and a preparation method thereof. The anhydrous oxyhalide tellurite glass comprises 60 to 85 mol% of TeO2, 5 to 20 mol% of MO, 0 to 5 mol% of R2O and 1 to 20 mol% of XY3, wherein M represents one or more of Mg, Ca, Sr, and Ba, R represents one or more of Li, Na and K, X represents one or more of Ga, In and Zr and Y represents F or Cl). The oxyhalide tellurite glass is prepared by a high temperature melting method, the glass transition temperature is between 340 to 390 DEG C and a glass stability parameter delta T is greater than or equal to 85 DEG C. The preparation method adopts dehydration processes such as raw material drying, ammonium bifluoride fluorination reaction, high temperature melting and feeding of oxidizing dry gas so that the content of the hydroxyl group in the glass is 0.005 cm<-1>. The anhydrous oxyhalide tellurite glass is a good candidate material for preparation of infrared optical fibers.

Disclosed is a preparation method of a quartz glass-cladding multi-component glass compound optical fiber. According to the preparation method, quartz glass is used as a cladding layer, multi-component glass (phosphate glass, tellurite glass, germanate glass, silicate glass and the like) serves as a fiber core and is drawn to prepare glass fibers, the glass fibers are inserted into quartz glass capillaries with the inner hole size matched with the same and are drawn into the quartz glass-cladding multi-component glass compound optical fiber by heating and cone drawing on an optical fiber conic clink. The preparation method of the quartz glass-cladding multi-component glass compound optical fiber combines the advantage of high strength of the quartz glass and the advantages of high gain, high nonlinearity and the like, the multi-component glass compound optical fiber unusually high in mechanical strength can be prepared, the shortcoming of poor mechanical performance of traditional multi-component glass optical fibers is overcome, and excellent optical performance of the multi-component glass is kept.

The invention belongs to the technical field of optical functional glass, and particularly provides an application of zinc fluoride. The zinc fluoride is added to a tellurate glass component as an additive in order to reduce the content of hydroxyl groups in the prepared tellurate glass and improve the transmittance of the prepared tellurate glass in the mid-infrared waveband. The invention also provides a mid-infrared wide transmission waveband zinc fluoride/tellurate glass. The mid-infrared wide transmission waveband zinc fluoride/tellurate glass comprises 50-54 mol% of TeO2, 45-49 mol% of ZnF2, 0-2.5 mol% (0 excluded and 2.5 included) of YbF3 and 0-2 mol% (0 excluded and 2 included) of HoF3. The present invention also provides a preparation method of the mid-infrared wide transmission waveband zinc fluoride/tellurate glass. The mid-infrared wide transmission waveband zinc fluoride/tellurate glass is prepared by melting at 950-1000 DEG C without a protective atmosphere and annealing at 320-340 DEG C in an air atmosphere. The functional glass of the invention has a high transmittance, and the preparation method is simple.

The invention relates to a temperature sensor capable of conversion fluorescent radiation and a manufacturing method thereof and belongs to the field of solid lasers. The structure of the sensor is asingle-mode optical fiber-multimode optical fiber-suspended three-core hollow special optical fiber-multimode optical fiber-single-mode optical fiber structure; the sensor specifically includes a single-mode optical fiber, a multimode optical fiber, a suspended three-core hollow special optical fiber, and erbium ytterbium co-doped tellurate glass microspheres; the erbium ytterbium co-doped tellurate glass microspheres are built in the three-core hollow special optical fiber; and the middle portion of the suspended three-core hollow special optical fiber forms a tapered waist through fused tapering. According to the temperature sensor of the invention, a structural advantage that air holes exist inside the hollow optical fiber is utilized to naturally encapsulate the microspheres inside theoptical fiber, and therefore, the coupling excitation of microsphere resonator inside the optical fiber is realized without additional operation required; the special optical fiber prepared by the method is provided with a built-in gain microsphere photonic integrated device, and therefore, the special optical fiber achieves strong up-conversion fluorescence radiation under the excitation of pumplight, and exhibits high temperature sensing performance.

The present invention is Yb3+ doped tellurate glass and its preparation process. The glass consists of TeO2 60-80 mol%, ZnO 5-15 mol%, WO3 0-25 mol%, La2O3 0-4.5 mol%, Na2O3 0-5 mol%, K2O 0-5 mol%, and Yb2O3 0.5-5 mol%. It is prepared through smelting process, and is colorless, transparent, no defitrification, good in transparency loss resisting performance and excellent in physical and chemical performance. The semiconductor light source pump test of 940 nm band proves its stimulated emission cross section as high as 0.35 sq pm and effective fluorescent line width as high assemble 80 nm. Compared with available technology, the glass of the present invention has the advantages of simple preparation process, high heat stability, great absorption and stimulated emission cross section and wide fluorescent line width. The glass material may be used in high power pulse adjustable laser, micro solid fiber laser, etc.

The present invention relates to an Yb(3+)/Ce(3+)/Er(3+) codoped oxychlorinated tellurate glass and its preparation method. Said glass composition contains: (by mol%) 50-80 TeO2, 5-35 BiCl3, 5-20 GeO2, 3-5 Na2O, 1-3 La2O3, 2-5 Yb2O3, 0.5-0.8 Ce2O3 and 0.5-1 Er2O3. Said tellurate glass prepared by means of melting process is transparent, has high resistance to devitrification and good physical and chemical properties. Said glass can be extensively used in the optical fibre amplifier system.

The invention relates to green-light-emitting tellurate glass and a preparation method thereof. The green-light-emitting tellurate glass is prepared from 65-90mol% of TeO2, 5-25mol% of ZnO, 3-20mol% of Na2O, a ytterbium ionic compound with mass percent concentration of 2-8% and a terbium ionic compound with the mass percent concentration of 1-4%. The invention provides a tellurate glass matrix which can emit intense and visible green light and can be doped with massive rare earth ions, green-light-emitting tellurate glass with a simple and feasible preparation process and a preparation method of the green-light-emitting tellurate glass.