Abstract: A multicore optical fiber including four cores arranged in a linear configuration, the centerline of each core being spaced from the centerline of an adjacent core by a distance x of about 30 microns or less, and each core having a relative refractive index ?1. A cladding surrounding each of the four cores, the cladding including an inner cladding region with a relative refractive index ?2, a depressed-index cladding region with a relative refractive index ?3, and an outer cladding region with a relative refractive index ?4, wherein ?1>?2>?3 and ?1>?4>?3. Furthermore, each core of the four cores has a mode field diameter, at a wavelength of 1310 nm, of about 8.1 microns or less, and cross talk between adjacent cores is about ?18 dB or less at wavelengths of 1310 nm and 1550 nm per 2 km fiber length.

Abstract: A heater assembly including a heater body having a monolithic honeycomb structure comprising a plurality of intersecting walls. The walls have a thickness and extend in an axial direction to form a plurality of cells of the honeycomb structure that extend axially from a first end face to a second end face. A first electrode is coupled to the heater body. A second electrode is coupled to the heater body. A current-carrying path is defined over the walls between the first electrode and the second electrode. A plurality of openings extend through the thickness of at least some of the walls. A fluid treatment system, method of treating a fluid, and method of manufacturing a heater assembly are also disclosed.

Abstract: A method of making a porous structure configured for use in a particulate filter includes bonding a plurality of glass bubbles to one another, and breaching the plurality of glass bubbles. Voids within individual breached glass bubbles open into one another to form cavities that extend through the porous structure.

Abstract: A roll-to-roll glass lamination system includes: a glass unwinding unit configured to unwind a glass ribbon from a glass roll; a film feeding unit configured to unwind the film from a film roll; a lamination unit configured to laminate the film on the glass ribbon to create a laminate, the lamination unit including an air injection device configured to blow air onto a second surface of the glass ribbon in a lamination space such that the first surface of the glass ribbon is in contact with the film; and a laminate winding unit configured to wind the laminate.

Abstract: Disclosed are embodiments of a glass article for a vehicle interior system. The glass article includes a glass sheet with a first side and a second side. A first frame is disposed on the glass sheet on the first side of the glass sheet, and a second frame disposed on the second side of the glass sheet. A mandrel is disposed between the first frame and the second frame. The mandrel has a flexural rigidity of at least 150 Pa·m3 and a density of at most 2.75 g/cm3. The second side of the glass sheet rotates about the mandrel from a first configuration to a second configuration. In the first configuration, the first side forms a first angle with the second side, and in the second configuration, the first side forms a second angle with the second side. The first angle is different from the second angle.

Abstract: Provided is a light extraction substrate disposed on a front portion of an organic light-emitting diode (OLED) to extract light from the OLED. The light extraction substrate includes abase substrate and a light extraction layer disposed on the base substrate. The light extraction layer includes a matrix layer and BaTiO3 light-scattering particles dispersed in the matrix layer. The matrix layer contains a siloxane-based organic-inorganic hybrid material. An organic light-emitting device includes the light extraction substrate and an OLED disposed on the light extraction layer of the light extraction substrate.

Abstract: Methods and apparatuses for fabricating glass laminates where there is a substantial offset between edges of glass plies of the laminates are described herein. The method includes placing an entirety of the periphery of a stack of the glass plies in a vacuum ring comprising a vacuum channel with a depth that circumferentially varies. The vacuum ring includes at least a first portion where the vacuum channel has a first depth and a second portion where the vacuum channel has a second depth that is at least two times greater than the first depth to accommodate edge offsets. Negative pressure can be applied to a space between the plies via the vacuum ring to deair the space. A suitable furnace can be used to bond the plies together and form a laminate having a desired shape.

Abstract: Glass compositions include titania (TiO2), lanthanum oxide (La2O3) and boron oxide (B2O3) as essential components and may optionally include silica (SiO2), niobia (Nb2O5), zirconia (ZrO2), yttria (Y2O3), bismuth oxide (Bi2O3), tungsten oxide (WO3), zinc oxide (ZnO) and other components. The glasses may be characterized by high refractive index at 587.56 nm at comparably low density at room temperature.

Abstract: Disclosed are embodiments of a glass article of a vehicle interior system. The glass article includes a frame having a curved support surface. The frame is configured to hold at least one magnet. The glass article also includes a glass sheet having a first major surface and a second major surface opposite to the first major surface. The glass sheet is arranged with the second major surface facing toward the curved support surface. The glass article further includes a metal strip disposed on the glass sheet. The metal strip and the at least one magnet create a magnetic connection sufficient to hold the glass sheet in conformity with the curved support surface.

Abstract: Phosphate glasses and glass-ceramics exhibit a positive percent kill as measured by United States EPA Test Method for Efficacy of Copper Alloy Surfaces as a Sanitizer and/or have a CIELAB L* value below 35, CIELAB a* and b* values within 5 of zero.

Abstract: A glass composition includes about 60 mol. % to about 80 mol. % SiO2, 0 mol. % to about 11 mol. % Al2O3, about 4.0 mol. % to about 12 mol. % B2O3, about 0.5 mol. % to about 20 mol. % of K2O, 0 mol. % to about 18.5 mol. % MgO, and 0 mol. % to about 1 mol. % SnO2. The glass composition has a range of CTE, which can be adjusted based on the composition, and can be used for display applications.

Abstract: ZrO2-toughened glass ceramics having high molar fractions of tetragonal ZrO2 and fracture toughness value of greater than 1.8 MPa·m1/2. The glass ceramic may also include also contain other secondary phases, including lithium silicates, that may be beneficial for toughening or for strengthening through an ion exchange process. Additional second phases may also decrease the coefficient of thermal expansion of the glass ceramic. A method of making such glass ceramics is also provided.

Abstract: Systems, apparatuses and methods for processing a glass ribbon. A glass ribbon is supplied to an upstream side of a conveying apparatus comprising a conveyor device and a pulling device. The conveyor device establishes a primary plane of travel from the upstream side to a downstream side. The pulling device is located at the downstream side and applies a pulling force on the glass ribbon to convey the glass ribbon along a travel path that includes first, second and third bends, and into the primary plane of travel from a location downstream of the third bend and to the pulling device. At least one of the first, second, and third bends imparts a stress into a surface of the glass ribbon to flatten the glass ribbon. A viscosity of the glass ribbon at the third bend is greater than a viscosity of the glass ribbon at the first bend.

Abstract: A cover glass article is described herein that includes: a substrate comprising an outer primary surface with an outer optical film structure disposed thereon and an inner primary surface with an inner optical film structure disposed thereon. The outer film structure comprises a first plurality of alternating high index and low index layers with an outermost low index layer. The inner film structure comprises a second plurality of alternating high index and low index layers with a low or high index layer disposed on the inner primary surface, and an innermost low or high index layer. Each high index layer of the first and the second plurality comprises a nitride or an oxynitride, and an oxide or a nitride, respectively. Further, the cover glass article exhibits an average photopic transmittance of greater than 95% and a maximum hardness of greater than 10 GPa.

Abstract: A glass manufacturing apparatus including a forming apparatus, the forming apparatus including an edge separation assembly. The edge separation assembly includes a scoring device with a scoring tool coupled thereto, a backing roller, a pair of stabilizing rollers configured to pinch a central portion of the glass ribbon therebetween, and a separation roller configured to apply a separation force against an edge portion of the glass ribbon to separate the edge portion from the central portion. The edge separation apparatus may further include a first plurality of guide rollers arranged to direct the separated edge portion away from the central portion and a second plurality of guide rollers configured to guide the central portion. The forming apparatus further includes a cross-cut assembly configured to separate a glass sheet from the central portion.

Abstract: Disclosed herein are embodiments of a glass composition including SiO2 in an amount in a range from 53 mol % to 84 mol %, Al2O3 in an amount in a range from 0.3 mol % to 20 mol %, Na2O in an amount in a range from 3 mol % to 16 mol %, and at least one of Cs2O or Rb2O in an amount in a range from 0.05 mol % to 8 mol %. The glass composition has a first silver ion diffusivity at 110° C. of 5×10?19 m2/s or less, and the glass composition has a second silver ion diffusivity at 350° C. of at least 5×10?17 m2/s at 350° C. The glass composition is particularly suitable for use as a glass substrate of a photonic chip package.

Abstract: The present disclosure relates to a quantum dot-doped glass and method of making the same. A quantum dot-doped glass includes glass that includes quantum dots in an internal structure of the glass. The quantum dots within the glass have a photoluminescence quantum yield of greater than or equal to 10%.

Abstract: An all-solid secondary battery including: a positive electrode layer including a positive active material; a negative electrode layer including a negative electrode current collector and a first negative active material layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, the solid electrolyte including a solid electrolyte, wherein the first negative active material layer is adjacent to the solid electrolyte layer, the first negative active material layer includes a multi-component metal composite including M1, M2, M3, and X, an atomic ratio of M2M3X to M1M2M3X in the multi-component metal composite is in a range of about 0.5 to about 0.85, and an atomic ratio of M2M3X to M1 ion is in a range of about 1 to about 5.51.

Abstract: A cell culture substrate is provided that includes a substrate lattice having an ordered array of fibers and pores disposed between the fibers. The ordered array of fibers includes a cell culture surface to support adherent or semi-adherent cells during cell culture. The cell culture substrate further includes a positive charge coating disposed on the cell culture surface to promote adhesion of cells to the cell culture surface.

Abstract: Systems, devices, and techniques for performing wavelength division multiplexing or demultiplexing using one or more metamaterials in an optical communications systems are described. An optical device may be configured to shift one or more phase profiles of an optical signal using one or more stages of metamaterials to multiplex or demultiplex wavelengths of optical signals. The optical device may be an example of a stacked design with two or more stages of metamaterials stacked on top of one another. The optical device may be an example of a folded design that reflects optical signals between different stages of metamaterials.