Prysmian and Draka Cable Boron Doped Stress Rods Plasma Activated Chemical Vapor Deposition

Prysmian and Draka Cable Boron Doped Stress Rods Plasma Activated Chemical Vapor Deposition

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Prysmian and Draka Cable Boron Doped Stress Rods Plasma Activated Chemical Vapor Deposition

Product Details

This specialty rod is produced with the Plasma-activated Chemical Vapor Deposition (PCVD) manufacturing process. The use of this process allows for very precise index profiles and pure material compositions. The applied machinery and processes are used also for manufacturing the core rods for the various large volume fibre products supplied to the market. This guarantees perfect process control and repeatability.

Boron stress rods consist mainly of a B2O3 doped core area surrounded by a thin un-doped pure silica layer which prevents contact between the doped core and the open air. The thin pure silica layer is achieved by grinding away the major part of the original substrate tube applied for making the boron doped deposited core area. The stress rods are made in a variety of lengths, diameters and concentrations as listed in the table below.

Rod specifications usually are listed in a more detailed quote as part of the ordering process. For each supplied rod the refractive index profile as measured in the mid-section of the rod before grinding will be supplied as customer information1. Rod data is stored in the factory data base allowing full traceability of all raw materials for later use.

characteristics specified values²
outer diameter (OD) 6 – 15 mm
OD/core ratio ≈ 1.15
B2O3 dope content 12 – 24 mol%
length 150 - 500 mm

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