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Articles by Douglas Clague
Phase-Based DAS: Advancing Distributed Acoustic Sensing for Real-Time Infrastructure Intelligence
Distributed Acoustic Sensing (DAS) has become a critical tool for monitoring and protecting infrastructure at scale. As deployments have grown, so too have the expectations to move beyond simple detection toward higher accuracy, better event identification, and fewer false alarms. This evolution has driven the adoption of phase‑based DAS, such as VIAVI’s patented true‑phase DAS, as the next step in DAS technology.
Enhance Pipeline Monitoring with Fiber-Optic Sensing
Real-World Applications and Benefits While many traditional methods of detecting issues rely on a leak happening and being large enough to detect, DFS is far more sensitive and looks for any indication that a leak could happen. In some cases, the first indication of a problem is a small leak. Traditional methods would likely struggle to detect such leaks, especially for an underground pipe. However, most leaks will make some sort of sound as the pipe contents start to escape.
Perimeter and Border Security with Fiber Optic Sensing Technology
In an era where security threats are constantly evolving, ensuring the security of perimeters around critical infrastructure and of national borders is more critical than ever. The need for advanced and reliable security measures has never been greater. Traditional methods often fall short in providing the comprehensive coverage required to protect infrastructure and national borders.
Perimeter and Border Security with Fiber Optic Sensing Technology
In an era where security threats are constantly evolving, ensuring the security of perimeters around critical infrastructure and of national borders is more critical than ever. The need for advanced and reliable security measures has never been greater. Traditional methods often fall short in providing the comprehensive coverage required to protect infrastructure and national borders.
Enhancing Windfarm Monitoring with Fiber Optic Sensing Technology
As the world shifts towards renewable energy, wind farms are becoming a crucial component of our energy infrastructure. Ensuring the reliability and efficiency of these installations is paramount, and fiber sensing technology is playing a pivotal role in achieving this goal. Fiber sensing technology utilizes the unique properties of optical fibers to detect changes in temperature, strain, and acoustic vibration (sound) along the length of a fiber.
Enhancing Pipeline Monitoring with Fiber Optic Sensing Technology
In the ever-evolving landscape of infrastructure management, ensuring the safety and integrity of pipelines is paramount. Fiber sensing technology has emerged as a game-changer in this domain, offering unparalleled capabilities for real-time monitoring and early detection of potential issues. It’s become so useful that in many cases it has become mandatory to include fiber-sensing-based monitoring for new pipelines and even retrofitted to existing ones.
Customer Spotlight: Bridging the Digital Divide with Wildanet
Wildanet is a rural fibre network provider based in Cornwall and Devon, in the southwest of the UK. Formed in 2017, Wildanet has grown to over 100 staff and has invested £50 million to build a new network to serve areas of the county that still do not have access to fast, reliable internet connectivity. The company recently hit a new milestone of 3,500 homes connected. At the 2024 UK Fibre Awards won the award for the Best Rural Fibre Provider.
Enabling Next-Generation Passive Optical Networks (PON)
Editor's Desk Electronics Articles Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Tumblr Passive optical networks (PON) have revolutionized connectivity ranging from high-speed fiber-to-the-home (FTTH) to split RAN 5G front-haul deployments. A reliable PON performance in these complex environments requires comprehensive and specialized PON testing tools and processes.
Enhancing Infrastructure Health & Security with Fiber Sensing Technology
Bridges, tunnels, pipelines, telecom networks, electrical power transmission lines and other civil structures form the backbone of modern societies, facilitating essential services and connectivity. Ensuring the safety and integrity of these structures is of paramount importance. Thankfully, advancements in technology have led to innovative solutions for infrastructure monitoring, with fiber sensing technology emerging as a game-changer in this domain.
Fiber Tapping and Data Security: Unraveling the Potential Threats and Detection Methods
In today’s data-driven world, the transfer and protection of sensitive information is paramount. Companies, financial institutions, governments, and individuals rely heavily on secure data communication to maintain confidentiality, personal information, banking information, and to safeguard intellectual property. Data transits around the world through a very complex network of interconnected infrastructure.
Unleashing the Potential of Fiber Analytics for Enhanced Network Performance
As we know, fiber optic cables are now the backbone of modern communication networks, offering unmatched bandwidth and reliability. But just like any other technology these cables are susceptible to degradation over time. As cables age, network owners and operators encounter several challenges that can impact the overall health and performance of their networks. One of the primary challenges is the gradual degradation of service signal quality over time.
Building Quality Passive Optical Networks (PON) at Scale: Centralized Test
Passive optical networks (PON) have revolutionized high-speed internet connectivity by providing efficient fiber-based broadband services. To ensure the quality and performance of these networks, a robust certification process is essential. In this blog, we will explore a new centralized test approach to certifying the construction of passive optical networks and look at the kinds of issues it can help address and benefits it can deliver.
Job Efficiency: How to Scale Processes, Job Allocation, and Tracking for High-Fiber-Count Projects
As in other areas of a project that involves the deployment of high-fiber-count cables, the tasks of process control, job allocation to techs/contractors, and progress tracking can become unwieldy, cumbersome, and unmanageable in terms of the time and effort required. Just like the testing and certifying of the individual fibers and managing the volume of test results, legacy methods for project management do not scale well for high-fiber-count projects.
How to Efficiently Scale Full Bi-Directional Certification for High-Fiber-Count Cables
Following on from earlier blogs about the value of bi-directional (bi-dir) fiber certification it’s clear that performing full bi-dir IL, ORL, and OTDR testing gives a much deeper insight into the condition and quality of a fiber link and ultimately will reduce ongoing maintenance costs, give better service performance, and extend a network’s operational life. However, there is extra work involved when you include the extra bi-dir tests.
VIAVI Perspectives
First off, what is loopback OTDR testing? The concept is simple: it involves using a single OTDR, which stays at one site, and testing two fibers at the same time by using a loopback fiber or loopback device at the other site. And of course when it comes to OTDR testing you have the […]
Why Perform Bi-directional Fiber Testing?
Well, let’s start with why test at all? With all the time, effort, and money (particularly the money) put into the deployment of dark fiber or construction of fiber networks, owners and investors want to make sure they are getting good quality fiber links out of these projects.
Simplifying high-density fiber cable certification: Are you working smart?
By DOUGLAS CLAGUE, Viavi Solutions -- The rise in fiber adoption by service providers is great for those who manufacture the cables, but it’s causing a headache for many who have to commission it. More and more, higher fiber-count cables are being laid, leading to a challenge for installers and contractors: how to manage, track and report on the test and certification of the individual fibers and the cable as a whole. The questions are many: how far along are you in testing all the fibers?
Challenges in Next-Gen PON Deployment
Passive optical networks (PONs) are increasingly viewed as a crucial element of current and future broadband access networks. The massive deployment of PONs is driven by growing bandwidth demand, primarily fuelled by high-speed internet traffic. This evolution is driving a need for higher bandwidth in the downstream. Adding to that, growing services such as online gaming, file sharing, and cloud computing will generate more symmetrical traffic.
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