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OM4 - The Next Generation of Multimode Fiber |
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Choosing the Right Fiber for a Long Haul Route |
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Fiber in the Premises: Multimode or Single-Mode? |
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Budgeting for Long Haul Networks |
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AllWave® ZWP (G.652.C/D) |
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LaserWave™ (OM3) |
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TrueWave® LWP (G.655 and G.656) |
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Other Fiber Products |
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May 2012 - Standards Update on Bend-Optimized Multimode Fiber, more.... |
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Apr 2012 - Ultra Bend-Insensitive Fiber for Long Haul, more.... |
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Mar 2012 - 50 or 62.5 µm Multimode Fiber for the Enterprise, more.... |
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Feb 2012 - Zero Water Peak Fiber Comes of Age, more.... |
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Jan 2012 - What's the Best Way to Measure OM3/OM4 Bandwidth, more.... |
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May 2011 - Is There Value in Bend-Insensitive Multimode Fiber, more.... |
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Feb 2011 - New 40 and 100 Gb/s Standard Finalized, more.... |
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Nov/Dec 2010 - Article Introduces OM4, the Next Generation of Multimode, more.... |
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Apr/May 2010 - OM4 Gives You More at 40 and 100 Gb/s, more.... |
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| Article Introduces OM4, the Next Generation of Multimode |
 An article from OFS explains why OM4 multimode fiber is the “next generation” of fiber for enterprise applications. The article outlines what’s different about OM4, how its performance compares to other grades of fiber, and how laser bandwidth of this fiber, so critical for demanding high-speed applications, is measured using OFS’ DMD method.
Get the full story>>
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| Making the Switch from 62.5 to 50 Micron Fiber |
If you are designing a new short-reach enterprise installation, you will probably choose laser-optimized 50-micron (µm) OM3 or OM4 multimode fiber. These fibers help preserve the systems-cost benefits over single-mode fiber by using low-cost 850-nm vertical-cavity surface-emitting laser (VCSEL) technology, are capable of 10-Mbit/sec through 10-Gbit/sec operation, and will support upcoming 40- and 100-Gbit/sec transmission speeds. But if you are upgrading an existing system, many of which have 62.5 µm multimode already installed, should you stick with 62.5 µm? Or can you go with the higher performance of 50 µm OM3 or OM4 fiber? This article from OFS highlights the things you must consider when upgrading an existing 62.5 µm system.
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| Application Report: Optical Fiber for the Long Haul |
 Selecting the best optical fiber for a given long haul route is not always a simple decision. Over the expected long lifetime of a fiber, transmission technology and electronics will likely change and be upgraded several times. As a result, optical cables are often deployed with several fiber types in the same cable to help ensure that the most options possible are available as the network evolves. To simplify the fiber selection process, the industry offers several fiber types that can provide added performance beyond traditional ITU-T G.652D single-mode fibers. These fiber types offer improved attenuation performance and reduced chromatic dispersion. A new paper from OFS looks at each of the parameters involved to understand how they affect optical fiber selection in a long haul link.
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| Standards Update: ITU Revises Categories for Bend-Insensitive Fiber |
The ITU recently published revisions to its ITU-T G.657 standard for bend-insensitive single-mode fiber and cable for use in the access network. The new recommendation has two categories: Category A is fully compliant with ITU-T G.652D and suitable for long distance applications, while Category B is compatible with ITU-T G.652 and suitable for short reach applications. The new G.657 document has three sub-categories, numbered 1, 2 and 3, to support different deployment strategies, for fiber with a minimum design radius of 10, 7.5, and 5 mm respectively. OFS’ AllWave® FLEX Single-Mode Fiber conforms to G.657A1 for longer-reach applications.
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