ric – the advanced preform technology
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RIC®
RIT
Fiber per preform [km]
Since the beginning of optical fiber production, there hasbeen a steady growth in the size of preforms being manu-factured by Heraeus' customers. As single mode preformsizes have increased, so has the amount of fiber beingdrawn from these preforms. With the Rod-in-Tube (RIT)technology, our largest overclad tubes facilitated preformsizes up to 900 km. In keeping with our commitmentto “The Evolution of Size,” our Rod-in-Cylinder (RIC®)technology can result in preforms equivalent to fiberlengths of 10,000 km. These large preforms can increaseour customers' profitability and significantly improve theirmanufacturing costs and efficiencies without compromisingproduct quality.
RIC® – The Advanced Preform Technology
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Technical benefits
Using Heraeus' high purity F300 jacketing material ensures the production of world class optical fiber. Since the F300 cladding material is essentially free of OH, low and zero water peak fibers can be readily made using the RIC®
process. In production, benchmark break rate levels are achieved thanks to the purity of our material, leading to superior product performance.
RIC® cylinders are fabricated using CNC-controlled lathes resulting in outstanding geometrical performance. The ground outer surface of the cylinders is suitable for direct fiber draw and results in superior fiber geometries.
Germany
Heraeus Quarzglas GmbH & Co.KG
Heraeus Comvance
Quarzstraße 8
63450 Hanau
Phone +49 (0) 6181.35-6324
www.heraeus-comvance.com
USA
Heraeus Quartz North America LLC
Heraeus Comvance
100 Heraeus Blvd.
Buford, GA 30518
Phone +1 678.804-1021
Large F300cylinder
Core rod
Jacket tube drawing
Tube jacketing
Preform drawing800 km fiber
Cylinder jacketing during fiber draw 10,000 km fiber
Large F300cylinder
Core rod
Offline RIT Online RIC®
Core Rod Design and Cylinder Dimensions
20 25 30 35 40 45 50
Cylinder outer diameter [mm]
200
190
180
170
160
150
140
130
120
How to get started
Heraeus possesses extensive RIC® process experience. Therefore, we can support fiber manufacturers in the implementation of the RIC® technology and can tailor it to your company's fiber manufacturing processes. As a preliminary step, the feasibility of the RIC® technology can be demonstrated by overcladding your core rods at our Offline RIC® facility. These RIC® preforms can then be drawn into fiber and qualified at your facility.
About us
Heraeus is the key global supplier of high purity synthetic fused silica products for optical fiber manu -facturing. We have been a reliable partner in the world telecommuni cations industry since 1976.
OD 150 … 230 mm
OD max – OD min 0.6 mm
ID tol +/- 0.5 mm
Length 3,100 mm
Ovality 0.1 mm
Siding 1 mm
Bow 0.5 mm/m
Typical Cylinder Dimensions
The Online RIC® technology for production of single modefibers helps our customers to become significantly morecost competitive. The cost benefits compared to OfflineRIT are substantial:
Economy of scaleNo offline jacketing process necessaryReduction of b/a ratio, and therefore improved efficiencyof our customers' core rod deposition equipmentImproved utilization of fiber draw equipment.
Financial and operational benefits
Core rod dia.Core dia.
b/a = = 2.5 3.0 3.5 4.0
5.0
Typical RIC® working rangeCore rod diameter [mm]
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We are certified for ISO 9001:2015 in USA and Germany.In addition our manufacturing site in Germany is certified for ISO 50001:2018. Our manufacturing site in USA is certified for ISO 14001:2015.