Furukawa Electric has patented an optical fiber with a core and cladding made of silica-based glass, coated with primary and secondary layers. The fiber has specific dimensions and refractive index properties to minimize bending loss and ensure efficient transmission at different wavelengths. GlobalData’s report on Furukawa Electric gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Furukawa Electric, Battery management systems was a key innovation area identified from patents. Furukawa Electric's grant share as of January 2024 was 23%. Grant share is based on the ratio of number of grants to total number of patents.
Optical fiber with specific core, cladding, and coating dimensions
A recently granted patent (Publication Number: US11880064B2) discloses an innovative optical fiber design comprising a core, cladding, and coating. The core, made of silica-based glass, is surrounded by a cladding with a lower refractive index and a coating consisting of primary and secondary layers. The optical fiber features a unique W-type refractive index profile, with specific relative refractive-index differences for the core and depressed layer. The design ensures a mode field diameter within a defined range, an effective cutoff wavelength, and low bending loss, making it suitable for various optical communication applications.
Furthermore, the patent details additional features such as zero dispersion wavelength, dispersion slope, and microbending loss characteristics, setting it apart from standard optical fibers. The optical fiber's performance surpasses industry standards defined by ITU-T G.652, with microbending loss measurements conducted using precise methods like the abrasive paper or wire mesh method. With parameters like effective cutoff wavelength, outer diameter of the cladding, and coating thickness optimized for efficiency and reliability, this optical fiber offers enhanced performance while maintaining a compact overall size. These advancements in optical fiber technology pave the way for improved data transmission capabilities and reliability in telecommunications networks, showcasing the potential for enhanced connectivity and data transfer speeds in the future.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
