Abstract: The present disclosure provides a flame retardant optical fiber cable. The flame retardant optical fiber cable includes a plurality of bundle binders. In addition, the flame retardant optical fiber cable includes a first layer, a second layer, a third layer, a fourth layer, a fifth layer, a sixth layer, a seventh layer and an eighth layer. The first layer surrounds a plurality of bundle binders. The second layer surrounds the first layer. The third layer surrounds the second layer. The fourth layer surrounds the third layer. The fifth layer surrounds the fourth layer. The sixth layer surrounds the fifth layer. The seventh layer surrounds the sixth layer. The eighth layer surrounds the seventh layer.

Abstract: The present disclosure provides a few mode optical fiber. The few mode optical fiber includes a core region. A core region defined by a region around a central longitudinal axis of the few mode optical fiber. In addition, the core region has a first annular region extended from central longitudinal axis to radius r1, a second annular region extended from radius r1 to radius r2, a third annular region extended from radius r2 to radius r3, a fourth annular region extended from radius r3 to radius r4 and a fifth annular region extended from radius r4 to radius r5. Also, the few mode optical fiber has a cladding defined by the sixth annular region extended from radius r5 to radius r6.

Abstract: The present invention discloses a fiber optic cable with a plurality of bendable optic fiber ribbon. The fiber optic cable with bendable ribbons increases the total fiber counts compared to conventional optic fiber ribbon cables by eliminating empty spaces of the conventional cables due to stacking of the ribbons in the cross-sectionally circular shape of the loose tubes and the cable jacket. According to an embodiment of the present invention, a bendable ribbon will further allow ribbon labeling on a flat side of the ribbon.

Abstract: The present disclosure provides a formfitting loose tube for optic cables. The formfitting loose tube includes a loose tube wall. The loose tube wall includes first sides, second sides, a plurality of deformation induction tabs and a plurality of fiber optics stacked together having a shape form. The plurality of deformation induction tabs includes curving sections. The curving sections intersect the first sides and the second sides at intersections. The first sides and the second sides of the loose tub wall are configured to fit the shape form of the plurality of fiber optics stacked together. The plurality of deformation induction tabs induces elastic deformation of the loose tube wall under external stress.

Abstract: The present invention relates to padded optic fiber ribbons for dry optic fiber cables. The dry padded optic fiber ribbons include a plurality of optic fiber ribbons stacked on top of each other having a cross-sectionally rectangular shape. In addition, the dry padded optic fiber ribbons include a plurality of dry paddings. Each dry padding of the plurality of dry paddings has an inner side and an outer side. Further, the dry padded optic fiber ribbons include at least one tape wrapping around the plurality of dry paddings.

Abstract: The present disclosure provides an optical waveguide cable. The optical waveguide cable includes one or more optical waveguide bands positioned substantially along a longitudinal axis of the optical waveguide cable. The optical waveguide cable includes one or more layers substantially concentric to the longitudinal axis of the optical waveguide cable. The one or more layers include a cylindrical enclosure. The one or more optical waveguide bands include a plurality of light transmission elements. The density of the cylindrical enclosure is at most 0.935 gram per cubic centimeter. The optical waveguide cable has a waveguide factor of about 44%. The one or more optical waveguide bands are coupled longitudinally with the cylindrical enclosure.

Abstract: The present disclosure provides an optical fiber. The optical fiber includes a core region. The core region is defined by a region around central longitudinal axis of the optical fiber. In addition, the core region has a first annular region. The first annular region is defined from the central longitudinal axis to a first radius r1 from the central longitudinal axis. Moreover, the core region has a second annular region. The second annular region is defined from the first radius r1 to a second radius r2. Further, the core region has a third annular region. The third annular region is defined from the second radius r2 to a third radius r3. Also, the optical fiber includes a cladding. The cladding region has a fourth radius r4.

Abstract: Systems and methods for failover recovery of multimedia communication sessions are disclosed. A system may store active session information received from a first session initiation protocol (SIP) server in a data store. The active session information includes information for an active session between a first user agent and a second user agent The system may further determine that the first SIP server is not available and provide the active session information associated with the first SIP server to a second SIP server. The system may then cause the second SIP server to provide a first Re-INVITE message to the first user agent and a second Re-INVITE message to the second user agent, wherein the first Re-INVITE message is constructed using the active session information as saved in the data store.

Abstract: An M-jacket for use in a telecommunications cable including a jacket body. The jacket body extends along a longitudinal axis of the telecommunications cable. The longitudinal axis passes through a geometrical center of the telecommunications cable. The jacket body includes a first surface. The first surface surrounds a core region of the telecommunications cable. The first surface defines a plurality of first grooves extending radially outwardly from the longitudinal axis of the telecommunications cable and a plurality of second grooves extending radially outwardly from the longitudinal axis of the telecommunications cable. The plurality of second grooves is disposed at an interstitial position between the plurality of first grooves. In addition, the jacket body includes a second surface. The second surface extends along the longitudinal axis of the telecommunications cable and disposed in a spaced relation to the first surface.

Abstract: The present disclosure provides an optical fiber cable. The optical fiber cable includes a central strength member. The central strength member lies substantially along a longitudinal axis of the optical fiber cable. In addition, the optical fiber cable includes a first layer. The first layer includes a plurality of water swellable yarns. Further, the optical fiber cable includes a plurality buffer tubes. Each of the plurality of buffer tubes includes a plurality of optical fiber. Moreover, the optical fiber cable includes a second layer of a pair of binder yarns. Further, the optical fiber cable includes a third layer. The third layer is formed of a plurality of water swellable yarns. The optical fiber cable includes a fourth layer. The fourth layer is a sheath layer.

Abstract: The present disclosure provides an optical fiber cable. The optical fiber cable includes a strength member made of a composite material made of a polymer matrix. The strength member is centrally located. The strength member lies substantially symmetrical along a longitudinal axis of the optical fiber cable. In addition, the optical fiber cable includes a plurality of fiber units. Moreover, the optical fiber cable includes an outer jacket. The outer jacket surrounds the plurality of fiber units. Each of the plurality of fiber units includes one or more optical fibers, a first covering layer, a second covering layer and a gel. The first covering layer is enclosed by the second covering layer. Each of the one or more optical fiber cables is enclosed by the first covering layer.

Abstract: The present disclosure provides an optical fiber cable. The optical fiber cable includes a buffer tube substantially present along a longitudinal axis. Further, the optical fiber cable includes a first layer. The first layer surrounds the buffer tube. Furthermore, the optical fiber cable includes a second layer. The second layer surrounds the first layer. Moreover, the optical fiber cable includes one or more strength members embedded inside the second layer. Further, the buffer tube encloses a plurality of optical fibers. Moreover, each of the plurality of optical fibers is color coded from a set of standard fiber colors and wherein the set of standard fiber colors comprises twelve colors. The first layer and the second layer provide a kink resistance, a crush resistance and flexibility to the optical fiber cable. Each of the one or more strength members is coated with a layer of ethylene acrylic acid.

Abstract: A dispersion optimized optical fiber for wideband optical transmission is disclosed. The fiber comprise centre core, inner cladding, ring core, outer cladding and outer glass region, characterized by inner cladding provided onto outer periphery of the centre core, ring core, ring core provided onto outer periphery of inner cladding, outer cladding provided onto outer periphery of ring core, and outer glass region surrounding outer cladding, wherein refractive indices of various regions of the fiber are related in a manner that centre core has higher refractive index than that of ring core, ring core has higher refractive index than that of outer glass region, outer cladding has equal to or lower refractive index than that of outer glass region, and inner cladding has lower refractive index than that of outer cladding region, that is the refractive index of various regions of the fiber is related by relationship n1>n3>n5?n4>n2 or the relationship Del1>Del3>Del5?Del4>Del2.