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.

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: A glass-ceramic article having one or more crystalline phases; a residual glass phase; a compressive stress layer extending from a first surface to a depth of compression (DOC); a maximum central tension greater than 70 MPa; a stored tensile energy greater than 22 J/m2; a fracture toughness greater than 1.0 MPa?m; and a haze less than 0.2.

Abstract: Described herein are ultrasensitive gas sensors based on a vertical-channel organic semiconductor (OSC) diode, along with methods for making such devices, and uses thereof. The organic sensing layer comprises a fused thiophene-based organic polymer that connects top and bottom electrodes to deliver a vertical current flow. The nano-porous top-electrode structure enables the contact between ambient gas molecules and the vertical organic channel. The device has high sensitivity, is easy to process, and has a long shelf life.

Abstract: Provided herein is a glass article comprising: an ion-exchanged glass layer comprising a first major surface and a second major surface; and at least one negatively doped graphene layer having a first major surface and a second major surface; the negatively doped graphene layer first major surface located opposite at least a portion of at least one of the first major surface and the second major surface of the ion-exchanged glass layer, the negatively doped graphene layer having a carrier density of at least about 1013 cm?2. Also provided herein are devices comprising the glass article and methods of making the glass article.

Abstract: A ceramic body exhibiting % P?50%, df?0.36, and a combined weight percentage of crystalline phases containing cordierite and indialite of at least 85 wt %, and up to 10 wt % of a crystalline pseudobrookite structured phase, such as armalcolite. The ceramic body contains, as expressed on an oxide basis, either: 1% wt % to 11% wt % titania and 89% wt % to 99% wt % MgO, Al2O3, and SiO2 that have relative weight ratios of MgO:Al2O3:SiO2 within the field defined by 15.6:34.0:50.4, 12.6:34.0:53.4, 13.9:30.7:55.4, and 16.9:30.7:52.4, or 2.5% to 11% titania and 89% wt % to 97.5% wt % MgO, Al2O3, and SiO2 that have relative weight ratios of MgO:Al2O3:SiO2 within the field defined by 15.6:34.0:50.4, 12.6:34.0:53.4, 12.0:35.7:52.3, and 15.0:35.7:49.3. Batch composition mixtures and methods of manufacturing ceramic bodies using the batch compositions are provided, as are other aspects.

Abstract: A cover glass article is described herein comprising at least one substrate with opposing outer and inner primary surfaces, and at least one of an outer optical film structure and an inner optical disposed on the outer and inner primary surfaces, respectively. The outer and inner film structures comprise alternating high and low refractive index layers, in which at least a portion of the high refractive index layers independently is an oxide, a nitride, and/or an oxynitride, and at least a portion of the low refractive index layers independently is an oxide, a nitride, an oxynitride, and/or a metal fluoride. The cover glass article exhibits high visible light transmittance and low infrared light transmittance, being useful in applications including lenses, sensors, sensor assemblies, light sources, smartwatches, a smartphones, smart glasses, vehicle camera systems, displays, and cameras.

Abstract: Laminated glass-based articles are provided. The glass-based articles include at least a first glass-based layer, a second glass-based layer, and a polymer layer disposed between the first and second glass-based layers. The first glass-based layer includes a compressive stress. A difference between the coefficient of thermal of expansion of the first glass-based layer and the coefficient of thermal of expansion of the second glass-based layer is greater than or equal to 0.4 ppm/° C. Methods of producing the laminated glass-based articles are also provided.

Abstract: A liquid lens including a first liquid comprising a polyfluoroaromatic compound represented by formula (I): Fx-(aromatic)-Y—R1. “x” is within a range of from 2 to 5. Y is one of CH2, Si(Alk)2, Ge(Alk)2, O, and S. “Alk” is a linear aliphatic chain. R1 is any organic group, but can be one of a linear aliphatic chain, a cycloaliphatic, a fluorocycloaliphatic, and an aromatic residue. “Aromatic” is any six carbon aromatic ring. Examples of the chemical compound represented by formula (I) include butylpentafluorobenzene; dimethylnonafluorohexylpentafluorophenylsilane; trimethylpentafluorophenylgennane; butoxypentafluorobenzene; cyclopentoxypentafluorobenzene; 1-n-octyloxypentafluorobenzene; cyclooctyloxypentafluorobenzene; 1-n-dodecyloxypentafluorobenzene; cyclopentylpentafluorophenylsulfide; phenoxypentafluorobenzene; 2,4-difluoroanisole; and heptafluoropentyloxypentafluorobenzene. The first liquid has a density in a range of from 0.95 g/mL to 1.35 g/mL (at 20° C.).

Abstract: A method of connecting an optical element to a mount, the method including attaching a connector to an optical element with a first solder and heating the first solder with an ultrasonic heater to form a first soldering bond between the connector and the optical element, aligning the optical element within an inner opening of a mount, and attaching the connector to the mount with a second bond, wherein the first soldering bond is a polymer-free bond.

Abstract: A glass composition includes: greater than or equal to 40 mol % and less than or equal to 57 mol % SiO2; greater than or equal to 15 mol % and less than or equal to 30 mol % Al2O3; greater than or equal to 0 mol % and less than or equal to 10 mol % B2O3; greater than or equal to 0 mol % and less than or equal to 10 mol % P2O5; greater than or equal to 14 mol % and less than or equal to 17 mol % Na2O; greater than or equal to 0 mol % and less than or equal to 7 mol % K2O; and greater than or equal to 0 mol % and less than or equal to 3 mol % Li2O. R2O/Al2O; is greater than or equal to 0.8. B2O5+P2O5+K2O is greater than or equal to 3 mol % and less than or equal to 25 mol %.

Abstract: A pharmaceutical container comprises a glass body enclosing an interior volume of the pharmaceutical container. The glass body comprises a central axis extending through a geometric center of the interior volume, a wall thickness extending between an inner surface and an outer surface, a flange comprising an underside surface, a shoulder, and a neck extending between the flange and the shoulder. Within at least a portion of the neck, the outer surface extends inward toward the central axis such that at least a sloped portion of the outer surface is sloped inward towards the central axis adjacent the flange.

Abstract: The present disclosure is directed to various embodiments of methods for making an optical fiber. The methods may include drawing an optical fiber from a hollow-core preform. The hollow-core preform may include an annular support structure with an inner surface defining an interior cavity. The interior cavity may include a tube in direct contact with the inner surface of the annular support structure. The tube may include a wall defining an internal opening, the internal opening having a sealed end. The drawing may include regulating a pressure of the internal cavity to a predetermined pressure.

Abstract: Glass compositions include titania (TiO2), lanthanum oxide (La2O3), boron oxide (B2O3), silica (SiO2) as essential components and may optionally include zirconia (ZrO2), niobia (Nb2O5), calcium oxide (CaO), barium oxide (BaO), yttria (Y2O3), zinc oxide (ZnO), gadolinium oxide (Gd2O3), gallia (Ga2O3), tungsten oxide (WO3) and other components. The glasses may be characterized by high refractive index at 587.56 nm at comparably low density at room temperature.

Abstract: Solid lithium-ion ceramic electrolyte membranes have an average thickness of less than 200 micrometers. A constituent electrolyte material has an average grain size of less than 10 micrometers. The solid lithium-ion ceramic electrolyte is free-standing. Alternatively, solid lithium-ion electrolyte membranes have a composition represented by Li1+x?yMxM?2?x?yM?y(PO4)3, where M is a 3+ ion, M? is a 4+ ion, M? is a 5+ ion, 0?x?2 and 0?y?2.

Abstract: A vehicle interior system having a first frame having a first end and a second end and a second frame having a third end and a fourth end. The third end of the second frame is arranged proximal to the second end of the first frame, and the first frame and the second frame define a bending axis between the second end and the third end. A continuous cover material is bonded to the first and second frame and across the bending axis. The vehicle interior system also includes a first display device positioned in a first aperture of the first frame. The system has a first configuration in which the first frame is planar with the second frame and a second configuration in which the first frame is not planar with the second frame. The system is configured to reversibly transition between the first and second configurations.

Abstract: An air stable solid garnet composition, comprising: a bulk composition and a surface protonated composition on at least a portion of the bulk composition as defined herein, and the protonated surface composition is present on at least a portion of the exterior surface of the bulk composition at a thickness of from 0.1 to 10,000 nm. Also disclosed is a composite electrolyte structure, and methods of making and using the composition and the composite electrolyte structure.

Abstract: The disclosure relates to glass compositions having improved thermal tempering capabilities. The disclosed glass compositions have high coefficients of thermal expansion and Young's moduli, and are capable of achieving high surface compressions. A method of making such glasses is also provided.

Abstract: An optical metasurface includes a substrate and a plurality of nanostructures extending from a surface of the substrate and constructed of a material having an index of refraction. The plurality of nanostructures are arranged in a plurality of unit cells comprising a dimension that is less than or equal to twice an effective wavelength of light incident on the optical metasurface, divided by the sinusoid of a deflection angle that the optical metasurface is designed to deflect the light. The plurality of nanostructures are asymmetrically arranged along a deflection direction. A unit cell aspect ratio of the plurality of nanostructures is greater than or equal to 3, and a product of the unit cell aspect ratio and the index of refraction of the material is greater than or equal to 8.

Abstract: Laminates can comprise a substrate and a film. The film can comprise a film thickness from about 5 micrometers to about 400 micrometers and a tri-block copolymer comprising a first block positioned between two second blocks. The first block can be grafted with a first functional group. The first block can comprise a first glass transition temperature of about 0° C. or less. The two second blocks can each comprise a glass transition temperature of about 50° C. or more. A combined weight of the two second blocks can be from about 10 wt % to about 50 wt % of the tri-block copolymer. The film can comprise a refractive index from about 1.48 to about 1.55. Methods of forming a laminate can comprise disposing a film over a substrate. Methods can further comprise heating the film and the substrate to a first temperature and then a second temperature.