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 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 method of drawing an optical fiber may include directing an optical fiber comprising an alkali dopant through an inlet of a slow cooling device to a first zone within the slow cooling device and cooling the optical fiber in the first zone, wherein a first residence time t1 of the optical fiber in the first zone may be greater than or equal to 0.03 sec. The method may further include directing the optical fiber from the first zone to a second zone within the slow cooling device and cooling the optical fiber in the second zone, wherein a second residence time t2 in the second zone may be greater than the first residence time t1. A Rayleigh scattering coefficient of the optical fiber drawn may be less than 0.75 dB/km*micron4, and an attenuation of the optical fiber drawn may be less than 0.16 dB/km at 1550 nm.

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: Apparatuses and methods for monitoring curing of photocurable material are disclosed. The methods generally include directing an ultraviolet cure light into a photocurable material, wherein the ultraviolet cure light causes the photocurable material to cure; directing a probe light into the photocurable material through an optical fiber during the cure; collecting a back reflection signal from the photocurable material with the optical fiber; and determining a refractive index change of the photocurable material during the cure.

Abstract: An optical fiber that includes a silica core and a cladding surrounding the core is disclosed, the optical fiber having a low attenuation. In embodiments, the optical fiber has an attenuation at 1550 nm of about 0.1420 dB/km. Furthermore, the diameter of the core may be larger than a fundamental mode field diameter of the optical fiber at a wavelength of 1550 nm. In embodiments, the core is doped with an alkali dopant.

Abstract: Disclosed herein are embodiments of an illuminator for disinfecting a surface. The surface defines a first plane. The illuminator includes a line emitter configured to emit light in a continuous line along at least a portion of at least one edge of the surface. The light has a peak wavelength in a range of 100 nm to 400 nm. The illuminator also includes a curved reflector surface and an exit aperture defining a second plane transverse to the first plane. The line emitter is positioned between the curved reflector surface and the exit aperture, and the curved reflector surface is configured to redirect the light from the line emitter through the exit aperture across the surface.

Abstract: A method of bonding glass to metal foil comprising contacting a glass substrate and a metal foil to create an interface therebetween; and directing a laser beam operating at a predetermined wavelength onto the interface to form an interfacial weld between the glass substrate and the metal foil, wherein the metal foil has a thickness greater than or equal to 5 ?m and less than or equal to 200 ?m, and wherein the laser beam comprises a pulsed laser having a pulse width greater than or equal to 1 nanosecond and less than or equal to 200 nanoseconds. In other embodiments, the metal foil has a thickness greater than 100 nm and less than or equal to 10 mm.

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: Methods and systems for forming a fiber assembly are provided herein. A method comprises removing an excess portion from an end of an optical fiber to form a severed end. The optical fiber defines an optical variation portion that includes an optical pathway defining a varying output characteristic of optical signals depending on a position therealong. When the severed end is formed, the position of the severed end along the optical variation portion defines the output characteristic of optical signals therefrom. The method further includes positioning the optical fiber with the severed end onto a film disposed on a surface of a substrate and placing a fixture thereover. The method further includes applying heat to the film through an opening of the fixture to create a bond between the optical fiber and the surface of the substrate.

Abstract: Disclosed herein are methods of bonding a multi-layer film to a substrate and resulting structures thereof. A method of laser bonding a multi-layer film to a substrate can include forming a film over a first surface of a first substrate that is transmissive to light at a first wavelength. The film may include a reflective layer that is reflective to light at the first wavelength and a refractive layer that is refractive to light at the first wavelength. The method may include irradiating a region of the film using laser radiation passing through the first substrate. A wavelength profile of the laser radiation can have a peak at about the first wavelength. The first wavelength can be between about 300 nm and about 5000 nm.

Abstract: Provided are embodiments of an optical fiber ribbon. The optical fiber ribbon includes a plurality of optical fibers arranged adjacently. The plurality of optical fibers are joined intermittently or continuously along their length. Each optical fiber of the plurality of optical fibers has at least one core having a first refractive index, a cladding region having a second refractive index different from the first refractive index, and a third region disposed within the cladding region. The third region has a third refractive index different from the first refractive index and from the second refractive index. The third region of each optical fiber includes a centroid having a true position according to ASME Y14.5-2009 relative to an adjacent optical fiber that is within a diametrical tolerance of 50 ?m. Embodiments of a method and a system for preparing such and optical fiber ribbon are also provided.

Abstract: An optical fiber curing component includes a first tube comprising a first body defining a first interior surface and a first exterior surface, the first tube defining a first aperture and a second aperture on opposite ends of a first cavity, wherein the first tube defines a central axis extending through the first cavity; light sources coupled to the first body of the first tube and configured to emit light toward the central axis of the first tube, wherein each of the light sources intersect a common plane defined perpendicular to the central axis of the first tube; a silica glass article, having an anti-reflective coating, disposed between each of the plurality of light sources and the central axis of the first tube; and a reflective coating positioned on the interior surface of the first body and configured to reflect the light toward the central axis of the first tube.

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.