Abstract: A liquid lens apparatus includes a first substrate and a sensor. The first substrate has first and second opposing surfaces, a central portion, and a peripheral portion outside of the central portion. The sensor is formed lithographically on either the first or second surfaces of the peripheral portion of the first substrate such that the sensor is on an exterior surface of the liquid lens apparatus. The sensor is configured to detect a temperature of the liquid lens apparatus to enable compensation for thermal expansion or contraction of the liquid lens apparatus resulting from changes in temperature of the liquid lens apparatus.

Abstract: An article is described herein that includes: a translucent substrate having a major surface; and an anti-reflective coating disposed on the major surface and forming an anti-reflective surface. The article exhibits a single side average photopic light reflectance at the anti-reflective surface of less than 0.35%. Further, the article exhibits a single side color shift (?C) of less than 6 over an incident angle range from 0 degrees to 60 degrees incidence at the anti-reflective surface, wherein the anti-reflective coating comprises a physical thickness from about 50 nm to less than 500 nm. In addition, the anti-reflective coating comprises a plurality of layers that comprises at least one low refractive index layer and at least one high refractive index layer. Further, each high refractive index layer has a refractive index of greater than 2.0 and each low refractive index layer has a refractive index of less than 1.7.

Abstract: A glass article (and methods for forming the same) includes a glass body having first and second opposing primary surfaces and a thickness defined between the primary surfaces. The glass body includes a compressive stress region that includes: a surface stress of greater than about 900 MPa (compressive), a spike region having a first slope, and a tail region having a second slope. The spike region and the tail region can intersect at a knee region having a stress of greater than about 35 MPa (compressive), wherein the stress at the knee region is defined as the point where the asymptotic extrapolation of the spike region and the tail region intersect. The first slope of the spike region can be steeper than about ?30 MPa/?m.

Abstract: Provided herein are methods for forming one or more silicon nanostructures, such as silicon nanotubes, and a silica-containing glass substrate. As a result of the process used to prepare the silicon nanostructures, the silica-containing glass substrate comprises one or more nanopillars and the one or more silicon nanostructures extend from the nanopillars of the silica-containing glass substrate. The silicon nanostructures include nanotubes and optionally nanowires. A further aspect is a method for preparing silicon nanostructures on a silica-containing glass substrate. The method includes providing one or more metal nanoparticles on a silica-containing glass substrate and then performing reactive ion etching of the silica-containing glass substrate under conditions that are suitable for the formation of one or more silicon nanostructures.

Abstract: According to one embodiment, a glass article may include a glass body having a first surface and a second surface opposite the first surface. The first surface of the glass body may be etched to a depth less than or equal to about 25% of the maximum initial flaw depth Ai of a flaw population present in the first surface. The flaw population of the first surface is etched to selectively remove material adjacent to each flaw of the flaw population along the maximum initial flaw depth Ai. When the glass article is under uniaxial compressive loading, at least a portion of the first surface is in tension and a uniaxial compressive strength of the glass article is greater than or equal to 90% of a uniaxial compressive strength of a flaw-free glass article.

Abstract: A light extraction apparatus for an organic light-emitting diode (OLED) includes an OLED emitter (100), a plurality of tapered reflectors (210), and a spacer layer (202). Each tapered reflector includes a first surface (212), a second surface (214) opposite to the first surface and comprising a surface area larger than a surface area of the first surface, and at least one side surface (216) extending between the first surface and the second surface. The spacer layer (202) includes a first surface coupled to the OLED emitter and a second surface coupled to the first surface of each of the plurality of tapered reflectors. Light emitted from the OLED passes through the spacer layer and into the plurality of tapered reflectors. The at least one side surface of each of the plurality of tapered reflectors includes a slope to redirect light into an escape cone and out of the second surface of the corresponding tapered reflector.

Abstract: A photon number resolving detector system includes a photon source positioned at an input end, first and second photon detectors positioned at a detection end, and a plurality of optical couplers positioned between the input and detection ends. The plurality of optical couplers include an initial optical coupler optically coupled to the photon source, a final optical coupler optically coupled to the first and second photon detectors, and intermediate optical couplers positioned between the initial optical coupler and the final optical coupler. A first input link is optically coupled to the photon source and the initial optical coupler and a plurality of dual path spans are optically coupled to adjacent optical couplers. The plurality of dual path spans each include an undelayed path having an undelayed fiber link and a delayed path having a quantum memory positioned between and optically coupled to input and output sub-links.

Abstract: A method of processing an optical fiber includes drawing the optical fiber from an optical fiber preform within a draw furnace, the optical fiber extending from the draw furnace along a process pathway, the optical fiber comprising at least one halogen-doped core; and drawing the optical fiber through at least one slow cooling device positioned downstream from the draw furnace at a draw speed. The at least one slow cooling device exposes the optical fiber to a slow cooling device process temperature greater than or equal to 800° C. and less than or equal to 1600° C. The draw speed is such that the optical fiber has a residence time of at least 0.1 s in the at least one slow cooling device. An optical fiber made by such a process is also disclosed.

Abstract: Glasses containing silicon dioxide (SiO2) and/or boron oxide (B2O3) as glass formers and having a refractive index nd of greater than or equal to 1.9, as measured at 587.56 nm, and a density of less than or equal to 5.5 g/cm3, as measured at 25° C., are provided. Optionally, the glasses may be characterized by a high transmittance in the visible and near-ultraviolet (near-UV) range of the electromagnetic spectrum and/or good glass forming ability.

Abstract: A glass composition includes greater than or equal to 60 mol % and less than or equal to 85 mol % SiO2; greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al2O3; greater than or equal to 0 mol % and less than or equal to 15 mol % Li2O; greater than or equal to 0.5 mol % and less than or equal to 25 mol % Na2O; greater than or equal to 0.1 mol % and less than or equal to 20 mol % 1(20; greater than or equal to 0 mol % and less than or equal to 10 mol % CaO; greater than or equal to 0 mol % and less than or equal to 10 mol % MgO; and greater than or equal to 0.005 mol % and less than or equal to 0.5 mol % Au.

Abstract: Systems, apparatuses and methods for processing a glass ribbon (22). A glass ribbon is supplied to an upstream side of a conveying apparatus (32) comprising a conveyor device and a pulling device (72). The conveyor device establishes a primary plane of travel (P) from the upstream side to a downstream side. The pulling device (72) is located at the downstream side and applies a pulling force on the glass ribbon (22) to convey the glass ribbon along a travel path that includes first, second and third bends (100, 102, 104), and into the primary plane of travel from a location downstream of the third bend and to the pulling device (72). 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 method of manufacturing a glass article comprising: forming a first layer of a first metal on a glass substrate, the glass substrate comprising silicon dioxide and aluminum oxide; subjecting the glass substrate with the first layer of the first metal to a first thermal treatment; forming a second layer of a second metal over the first layer of the first metal; and subjecting the second layer of the second metal to a second thermal treatment, the first thermal treatment and the second thermal treatment inducing intermixing of the first metal, the second metal, and at least one of aluminum, aluminum oxide, silicon, and silicon dioxide of the glass substrate to form a metallic region comprising the first metal, the second metal, aluminum oxide, and silicon dioxide. The first metal can be silver. The second metal can be copper.

Abstract: Articles and methods related to the cold-forming of glass laminate articles utilizing stress prediction analysis are provided. A cold-forming estimator (CFE) value that is related to the stress experienced by a glass sheet of a glass laminate during cold-forming is calculated based on a plurality of geometric parameters of glass layer(s) of a glass laminate article. The calculated CFE value is compared to a cold-forming threshold related to the probability that defects are formed in the complexly curved glass laminate article during cold-forming. Cold-formed glass laminate articles are also provided having geometric parameters such that the CFE value is below the cold-forming threshold.

Abstract: A fixed-bed bioreactor system is provided that includes a vessel with a media inlet, a media outlet, and an interior cavity disposed between and in fluid communication with the media inlet and media outlet. The vessel further includes a cell culture substrate disposed in the interior cavity between the media inlet and the media outlet in a packed-bed configuration, the cell culture substrate including a plurality of porous disks in a stacked arrangement. The interior cavity includes a cell culture section and a spacer section, the cell culture substrate defining the cell culture section and the spacer section being disposed between the cell culture section and the media outlet, and each of the plurality of porous disks has a surface configured to culture cells thereon.

Abstract: A coated glass article and of a system and method for forming a coated glass article are provided. The process includes applying a first coating precursor material to the first surface of the glass article and supporting the glass article via a gas bearing. The process includes heating the glass article and the coating precursor material to above a glass transition temperature of the glass article while the glass article is supported by the gas bearing such that during heating, a property of the first coating precursor material changes forming a coating layer on the first surface of the glass article from the first precursor material. The high temperature and/or non-contact coating formation may form a coating layer with one or more new physical properties, such as a deep diffusion layer within the glass, and may form highly consistent coatings on multiple sides of the glass.

Abstract: A lithium containing glass article is provided. In aspects, the lithium containing glass article includes an intensity coupling profile including a plurality of coupling resonances. A first of the coupling resonances has a half-width half-maximum value that is at least 1.8 times greater than the half-width half-maximum value of a second of the coupling resonances. In aspects, the lithium containing glass article includes a smoothed intensity coupling profile including a plurality of coupling resonances. A second derivative of the smoothed intensity coupling profile at a first of the coupling resonances is at least 1.8 times greater than a second derivative of the smoothed coupling profile at a second of the coupling resonances.

Abstract: Ceramic assembly can comprise a ceramic article comprising a thickness defined between a first major surface and a second major surface. The thickness can be about 100 micrometers or less. The ceramic assembly can comprise a polymer coating deposited over at least an outer peripheral portion of the first major surface of the ceramic article. The polymer coating can comprise a thickness of about 30 micrometers or less. An edge strength of the ceramic assembly can be greater than an edge strength of the ceramic article by about 50 MegaPascals or more. Methods of forming a ceramic assembly can comprise depositing a polymer coating on an outer peripheral portion of a first major surface of a ceramic article. Methods can further comprise curing the polymer coating.

Abstract: Method and apparatus for removing a peripheral portion of a glass sheet. The glass sheet is placed in a predetermined position. A score line is formed on a major surface of the glass sheet. The score line demarcates a central region and a peripheral portion. A push bar is moved in a direction of a back-up bar assembly such to contact the major surface along the peripheral portion. The push bar is further moved in the direction to cause the peripheral portion to separate from the central region, and then become captured between the push bar and the back-up bar assembly. With some embodiments, the glass sheet is vertically oriented and the peripheral portion is not constrained during formation of the score line.

Abstract: Glass-based articles comprise stress profiles providing improved scratch resistance. The glass-based articles comprise: a thickness t; a lithium aluminosilicate composition; and a molar ratio of sodium oxide (Na2O) to lithium oxide (Li2O) that is less than or equal to 0.63 at the center of the glass-based article. The articles have a molar ratio of sodium dioxide (Na2O) to lithium dioxide (Li2O) in a post-spike near region that is greater than or equal to 0.9 and/or less than 1.5.

Abstract: A glass container comprises a glass body comprising a first region under a compressive stress extending from a surface of the glass body to a depth of compression and a second region extending from the depth of compression into a thickness of the glass body, the second region being under a tensile stress. The glass container also includes a localized compressive stress region having a localized compressive stress extending from the surface to a localized depth of compression within the body. The localized depth of compression is greater than the depth of compression of the first region. The glass container also includes a crack re-direction region extending in a predetermined propagation direction, wherein the crack re-direction region possesses a higher tensile stress than the tensile stress in the second region in a sub-region of the crack re-direction region, the sub-region extending substantially perpendicular to the predetermined propagation direction.