OFS Optics

With a heritage dating back to Alexander Graham Bell, OFS has been at the forefront of optical communications technology. Headquartered in the United States outside of Atlanta Georgia, OFS is a world-leading designer, manufacturer and provider of optical fiber, optical fiber cable, connectivity, FTTX and specialty photonics solutions.

New From OFS

A Miniature Turn-Around for Distributed Temperature Sensing

In many fiber optic distributed temperature sensing (DTS) systems, a dual-ended configuration can correct the temperature measurement error associated with wavelength dependent loss (WDL) of the optical fiber and can provide a more accurate temperature measurement in comparison with a single-ended fiber system. In this configuration, two pieces of fiber are laid parallel to each other and connected at the distal end by a turn-around device, creating a U-shaped optical path that provides accessibility to both legs from the proximal end of the system. In many applications, tightly confined spaces constrain the fiber bend diameter and thus the size of the turn-around device. In this paper OFS will report a miniature turn-around built with a short section of a graded index (GI) fiber. The device measures less than 300 µm in diameter and less than 2 mm in length. The insertion loss of the miniature turn-around is measured and will be compared with the theoretical simulations.

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