This video explains the main functions and practical uses of Plastic-clad Silica Fiber (BGHP) in a clear, step-by-step format. You'll see how its high NA, anti-fatigue, and anti-irradiation properties make it suitable for high-power laser transmission, medical sensors, and nuclear radiation detection. We'll walk through its structure, specifications, and real-world applications to help you understand its benefits in demanding environments.