ModCon Mode Controller for OEM

The ModCon Mode Controller for OEM from Arden Photonics is a precision passive device designed to provide consistent and standards-compliant modal launch conditions for multimode fiber testing and measurement applications. Regardless of whether the light source is an LED, VCSEL, or Fabry-Perot (FP) laser, the ModCon ensures that the same distribution of optical modes is launched into the fiber, eliminating one of the most common sources of measurement variation in multimode fiber networks.

In multimode optical fiber systems, measurement results such as insertion loss and bandwidth can be heavily influenced by the modal characteristics of the light source. Different sources naturally launch different mode distributions, which can lead to significant discrepancies in test results. For example, Optical Time Domain Reflectometer (OTDR) measurements often differ from Light Source/Power Meter (LS/PM) measurements because OTDRs typically use laser sources while LS/PM systems may use LEDs. These variations can complicate network qualification, troubleshooting, and compliance testing.

The ModCon addresses this challenge by creating stable and repeatable launch conditions independent of the connected source. By standardizing the modal distribution entering the fiber, the device improves measurement consistency across different instruments, technicians, and testing environments. This enables more reliable comparisons between measurement systems and increases confidence in test data.

As a passive solution, the ModCon requires no power and integrates easily into OEM systems and fiber optic test equipment. Every unit is rigorously verified using Arden Photonics’ MPX Modal Explorer technology to ensure that the output complies with the required standards regardless of variations in the input modal distribution. This quality assurance process helps deliver dependable performance and long-term measurement stability.

The OEM version of the ModCon is specified in terms of Encircled Flux (EF), the internationally recognized method for defining multimode launch conditions. Available certification options include a Certificate of Conformance and a detailed Test Certificate for 850 nm devices, providing additional confidence for manufacturers and system integrators who require documented compliance.

Key Features

• Provides source-independent mode control for multimode fiber measurements, ensuring consistent launch conditions regardless of whether an LED, VCSEL, or FP laser source is used.
• Improves measurement accuracy by eliminating variations caused by differences in source modal characteristics.
• Supports more consistent loss and bandwidth measurements across multiple test platforms and measurement methods.
• Helps achieve better agreement between OTDR and LS/PM test results by standardizing modal launch conditions.
• Ensures stable launch conditions for multimode optical fiber testing, reducing uncertainty and improving repeatability.
• Designed to meet Encircled Flux (EF) requirements in accordance with IEC 61280-4-1.
• Passive, compact design enables straightforward integration into OEM optical test equipment and measurement systems.
• Individually tested using Arden Photonics’ MPX Modal Explorer to verify standards-compliant output performance.
• Optional Certificate of Conformance and 850 nm Test Certificate available for traceability and documentation.
• Enhances confidence in multimode fiber qualification, verification, and production testing environments. 

Applications

The ModCon Mode Controller for OEM is ideally suited for manufacturers and developers of fiber optic test equipment who require reliable and repeatable multimode launch conditions. By ensuring compliance with Encircled Flux requirements, it enables the development of standards-based testing solutions that deliver accurate results across a wide range of network environments.

In network installation and certification, the device helps technicians obtain more consistent insertion loss and bandwidth measurements. Standardized mode control reduces discrepancies between test setups and improves the reliability of acceptance testing, helping network operators verify performance with greater confidence.

The ModCon is also valuable in research and development laboratories where accurate characterization of multimode fiber performance is essential. Consistent launch conditions allow engineers to compare experimental results more reliably and isolate the effects of fiber characteristics rather than source-induced measurement variation.

In manufacturing and quality assurance environments, the device supports repeatable testing of multimode fiber products, transceivers, and network components. Stable and standards-compliant launches improve measurement repeatability and help organizations maintain rigorous quality control processes.

The solution is equally effective in calibration facilities and test laboratories where compliance with international standards and traceable measurement practices are critical requirements.

Why buy from AMS Technologies?

• Expert product selection and technical support
• Proven components from qualified suppliers
• Reliable European service and supply
• Custom engineering when standard products are not enough
• One partner from component to complete solution

What's next

For organizations seeking to improve the accuracy, repeatability, and standards compliance of multimode fiber measurements, the ModCon Mode Controller for OEM offers a proven and practical solution. By delivering source-independent mode control and stable Encircled Flux launch conditions, it minimizes measurement uncertainty and helps align results across different instruments and test methodologies.

Whether integrated into fiber optic test equipment, manufacturing systems, or laboratory measurement platforms, the ModCon provides a reliable path toward higher-quality multimode fiber testing. With rigorous verification and support for IEC 61280-4-1 EF requirements, it enables OEMs to deliver more consistent, trustworthy, and standards-compliant measurement solutions.