The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2024
Filed:
Feb. 25, 2021
Corning Incorporated, Corning, NY (US);
Scott Robertson Bickham, Corning, NY (US);
Sergejs Makovejs, Manchester, GB;
Pushkar Tandon, Painted Post, NY (US);
Aramais Robert Zakharian, Painted Post, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
An optical fiber is provided that includes a core region and a cladding region. The core region is formed of silica glass doped with chlorine and/or an alkali metal. The cladding region surrounds the core region and includes an inner cladding directly adjacent to the core region, an outer cladding surrounding the inner cladding, and a trench region disposed between the inner cladding and the outer cladding in a radial direction. The trench region has a volume of about 30% Δ-micronor greater. Additionally, the optical fiber has an effective area at 1550 nm of about 100 micronor less.