A device used to terminate an optical fiber cable with connectors and adapters that provides an administration point for cross-connecting between cabling segments or interconnecting to electronic equipment. There are currently 2058 names in this directory Standard test method used primarily in aerospace and spacecraft applications to evaluate how much an epoxy material outgasses in a vacuum environment to ensure they meet the total weight loss (TML) and condensable volatile material (CVCM) thresholds. Made from high-quality glass, silica, or plastic, it serves as the backbone of the internet and telecommunication infrastructure. Fiber Optics: This term refers to the. Mode: A single path for light to travel within the fiber. Singlemode Fiber (SM / SMF): Fiber with a small core (~9µm) that allows only one mode of light. Used for long-distance, high-speed. Used. What is used to measure light in fiber optics? Fiber optic power meters are used to measure microwatts (mW), Decibels (dB), and decibel milliwatts (dBm, which are some of the most common measurements of light in fiber optics. Decibels (dB): A unit of measurement of optical power which indicates. This glossary brings together key acronyms used in optical communications, networking, and modern digital infrastructure, spanning technologies such as fiber optics, modulation formats, data centers, and network protocols.