Abstract: A method of laser bonding glass ceramic to metal foil includes contacting a first surface of a first glass ceramic substrate with a first surface of a first metal foil to create a first contact location between at least a portion of the first surface of the first glass ceramic substrate and the first surface of the first metal foil; and conducting a first welding step by directing a laser beam on at least a portion of the first contact location to bond the first glass ceramic substrate to the first metal foil and form a first bond location and a package. The first glass ceramic substrate has a thickness greater than or equal to 20 ?m and less than or equal to 250 ?m. The laser beam comprises a pulsed laser comprising a wavelength greater than or equal to 250 nm and less than or equal to 2 ?m.

Abstract: A method of cutting a glass sheet comprising a transparent oxide glass includes directing a laser beam from a middle-infrared (mid-IR) laser source onto a major surface of the glass sheet. A wavelength of the laser beam is tuned thereby adjusting an absorption depth of the laser beam in the glass sheet. The glass sheet is cut using the laser beam.

Abstract: A glass container including a body having a delamination factor less than or equal to 10 and at least one marking is described. The body has an inner surface, an outer surface, and a wall thickness extending between the outer surface and the inner surface. The marking is located within the wall thickness. In particular, the marking is a portion of the body having a refractive index that differs from a refractive index of an unmarked portion of the body. Methods of forming the marking within the body are also described.

Abstract: Embodiments of the disclosure relates to a light-diffusing element. The light diffusing element includes a glass core having a first refractive index. The light diffusing element also includes a cladding surrounding the glass core. The cladding includes an inner cladding surface and an outer cladding surface. The inner cladding surface and the outer cladding surface define a cladding thickness of from 5 ?m to 30 ?m. The cladding has a second refractive index that is less than the first refractive index of the glass core. The light diffusing element also includes a coating surrounding the cladding. The coating has an inner coating surface and an outer coating surface. The inner coating surface contacts the outer cladding surface. The outer coating surface defines an outermost surface of the light-diffusing element, and the coating includes first scattering centers.

Abstract: A device comprising: a first substrate; and a second substrate bonded to the first substrate via an innermost bond, an outermost bond, and bonds between the innermost bond and the outermost bond, the second substrate comprising a through-hole and an axis extending through the through-hole. Each of the bonds has a strength, and the strength of the bonds increases sequentially from the innermost bond to the outermost bond. The strength of each bond is sufficiently low such that the bonds fail in response to liquid (within a cavity defined by the first substrate, a third substrate, and the through-hole of the second substrate) exerting pressure on the first substrate instead of the first substrate failing. Each of the bonds are configured to fail at approximately the same pressure exerted upon the first substrate by the liquid. Additionally disclosed is a method of manufacturing the device.

Abstract: A bonded article includes a first substrate, a second substrate, and a bonding layer disposed between the first substrate and the second substrate. The bonding layer includes a conducting layer and a capping layer. The first substrate is bonded to the second substrate at a bonded region extending along a bond track. The bonded region is substantially continuous between the first substrate and the second substrate.

Abstract: Disclosed herein are sealed devices comprising a first substrate, a second substrate, an inorganic film between the first and second substrates, and at least one weld region comprising a bond between the first and second substrates. The weld region can comprise a chemical composition different from that of the inorganic film and the first or second substrates. The sealed devices may further comprise a stress region encompassing at least the weld region, in which a portion of the device is under a greater stress than the remaining portion of the device. Also disclosed herein are display and electronic components comprising such sealed devices.

Abstract: An apparatus for curing a coating composition disposed on a glass fiber includes a diffuse reflector surrounding a coating composition disposed on a glass fiber. The diffuse reflector defines a cavity having a sidewall extending from a first end to a second end. The first end has a first opening and the second end has a second opening. The glass fiber passes through the cavity from the first opening to the second opening. The sidewall has an interior surface facing the coating composition disposed on the glass fiber. The interior surface includes a scattering material. A light source integrated with the diffuse reflector. The light source directs light to the scattering material. The scattering material diffusely reflects at least 90% of the light. The diffusely reflected light has sufficient intensity to cure the coating composition.

Abstract: Embodiments of a glass-ceramic, glass-ceramic article or glass-ceramic window that includes 40 mol %?SiO2?80 mol %; 1 mol %?AI2O3?15 mol %; 3 mol %?B2O3?50 mol %; 0 mol %?R2O?15 mol %; 0 mol %?RO?2 mol %; 0 mol %?P2O5?3 mol %; 0 mol %?SnO2?0.5 mol %; 0.1 mol %?MoO3?15 mol %; and 0 mol %?WO3?10 mol % (or 0 mol %<MoO3?15 mol %; 0.1 mol %?WO3?10 mol %; and 0.01 mol %?V2O5?0.2 mol %), wherein the WO3 (mol %) plus the MoO3 (mol %) is from 1 mol % to 19 mol %, and wherein R2O (mol %) minus the AI2O3 (mol %) is from ?12 mol % to 4 mol %, are disclosed.

Abstract: Disclosed herein are embodiments of an ultraviolet (UV) illumination system. The UV illumination system includes at least one UV light emitting diode (LED) and a light-diffusing optical fiber bundle. The light-diffusing optical fiber bundle includes a bundle jacket and a plurality of optical fibers disposed within the bundle jacket. Each optical fiber is made up of a glass core having a glass composition with less than 90 mol % silica and a cladding surrounding the glass core. At least one of the glass core or the cladding includes scattering centers. Further, the light-diffusing optical fiber bundle is optically coupled to the UV LED. Also disclosed herein are a UV light-diffusing fiber and a method of sterilizing an object using a UV illumination system contain a UV light-diffusing fiber.

Abstract: Disclosed herein are sealed devices comprising a first substrate, a second substrate, an inorganic film between the first and second substrates, and at least one weld region comprising a bond between the first and second substrates. The weld region can comprise a chemical composition different from that of the inorganic film and the first or second substrates. The sealed devices may further comprise a stress region encompassing at least the weld region, in which a portion of the device is under a greater stress than the remaining portion of the device. Also disclosed herein are display and electronic components comprising such sealed devices.

Abstract: A fiber coupling assembly for interfacing solid core and a hollow core optical fibers includes first and second fiber optic ferrules each having a bore between proximal and distal end faces thereof. At least one ferrule end face is non-perpendicular to longitudinal axes of the ferrules. A bore of one ferrule contains a hollow core optical fiber, and a bore of the other optic ferrule contains a solid core optical fiber with a mode field diameter (MFD) transition region, to bridge a MFD mismatch between the fibers. An air gap may be provided between at least portions of ferrules at an inter-ferrule region. A fiber optic ferrule includes a bore that is non-parallel with a longitudinal axis of the ferrule, and at least one end face that is non-perpendicular to the longitudinal axis, with an optical fiber in the bore optionally including a MFD transition region.

Abstract: A sealed glass package includes a top substrate and a bottom substrate, each of the top substrate and the bottom substrate comprising a first major surface and a second major surface opposite the first major surface; a central substrate disposed between the second major surface of the top substrate and the first major surface of the bottom substrate, the central substrate including a cavity filled by a first liquid and a second liquid; a polymer disposed between the second major surface of the top substrate and the central substrate; a first laser bond joining and hermetically sealing the first major surface of the bottom substrate and the central substrate; and a second laser bond joining and hermetically sealing the second major surface of the top substrate and the central substrate.

Abstract: An illuminated container for the growth of biological entities is provided. The container is illuminated by a flexible light diffusing fiber. The light diffusing fiber includes a core formed from a silica-based glass and a cladding in direct contact with the core. The light diffusing fiber also includes an outer polymer coating layer surrounding the cladding, the outer polymer coating layer being the cured product of a liquid polymer blend including a scattering material and a luminophore.

Abstract: A curing apparatus for curing a coating composition disposed on an optical fiber, the curing apparatus including a first light source and a second light source such that the second light source is spaced from the first light with a gap. The curing apparatus further including a first reflector and a second reflector such that the second reflector is spaced from the first reflector with the gap. Furthermore, a spacer is disposed within the gap, the spacer being formed of a material configured to reflect at least about 90% of light emitted from the first light source and from the second light source, and incident on the spacer, to an optical fiber such that the reflected light has sufficient intensity to cure a coating on the optical fiber.

Abstract: A coupler including a first end that optically couples with a plurality of single-core optical fibers, a second end that optically couples with a multi-core optical fiber, and a plurality of cores that each extends from the first end to the second end. The plurality of cores comprising a first core such that an outer diameter of the first core at the first end is larger than an outer diameter of the first core at the second end. The coupler further includes an outer cladding surrounding the plurality of cores and extending from the first end to the second end such that an outer diameter of the outer cladding at the first end is larger than an outer diameter of the outer cladding at the second end. Additionally, the coupler is a single, contiguous, conical glass member that tapers from the first end to the second end.

Abstract: Assemblies having one or more optical fibers laser bonded to a substrate are disclosed. In one embodiment, an assembly includes a substrate having a surface, an array of optical elements bonded to the surface of the substrate, an epoxy disposed between individual optical elements of the array of optical elements, and a plurality of spacer elements disposed within the epoxy, wherein at least one spacer element of the plurality of spacer elements is positioned between adjacent optical elements of the array of optical elements, and the plurality of spacer elements has a coefficient of thermal expansion that is less than a coefficient of thermal expansion of the epoxy. The assembly includes a bond area between each optical element of the array of optical elements and the surface of the substrate, wherein the bond area includes laser-melted material of the substrate that bonds the optical element to the substrate.

Abstract: Generally, disclosed herein are various embodiments of bonding agents for use in adhering optical fibers to ferrules within optical connectors, and the methods for use thereof. The various embodiments of bonding agents described herein may provide desirable properties, such as, but not limited to, high adhesion strength and/or improved performance following environmental aging. Various embodiments of the bonding agents disclosed herein may also have other desirable properties for the process of securing an optical fiber within a ferrule, such as, but not limited to, shortened process cycle time. Embodiments herein address these needs by monitoring the change in refractive index of a photocurable bonding agent at the interface between the photocurable bonding agent and a substrate or optical fiber, which is referred to as “back reflectance.” In particular, the methods described herein utilize back reflectance techniques to cure the photocurable material or bonding agent.

Abstract: An anti-resonant hollow core optical fiber preform that includes an outer cladding, a plurality of structural tubes, and a central support tube. The outer cladding has a length, a central longitudinal axis, and a hollow interior. The plurality of structural tubes are disposed within the hollow interior of the outer cladding, the plurality of structural tubes each having a length that extends the length of the outer cladding. And the central support tube is disposed within the hollow interior of the outer cladding such that the plurality of structural tubes are disposed radially outward of the central support tube, the central support tube having a length that extends along the central longitudinal axis of the outer cladding. Furthermore, the length of the central support tube is less than the length of the outer cladding.

Abstract: An illumination system generating light having at least one wavelength within 200 nm a plurality of nano-sized structures (e.g., voids). The optical fiber coupled to the light source. The light diffusing optical fiber has a core and a cladding. The plurality of nano-sized structures is situated either within said core or at a core-cladding boundary. The optical fiber also includes an outer surface. The optical fiber is configured to scatter guided light via the nano-sized structures away from the core and through the outer surface, to form a light-source fiber portion having a length that emits substantially uniform radiation over its length, said fiber having a scattering-induced attenuation greater than 50 dB/km for the wavelength(s) within 200 nm to 2000 nm range.