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Hangzhou Zongju Optical Equipment Co., Ltd. is headquartered in Hangzhou, China. We are a professional supplier specializing in the research and development, manufacturing and sales of optical fiber transmission and telecommunication equipment.

Zongju provides a wide selection of optical fiber equipment. Our main product areas include: CATV optical transmitters, optical fiber amplifiers (EDFA, YEDFA, etc.), optical receivers, PON system OLT and ONU, dispersion compensation modules, optical switches, SAT-IF transmission , Optical fiber media converter, various optical fiber passive components, project installation test tools and instruments, etc. Products are widely used in regional networks, triple play and FTTx, providing the best and most suitable products for global networks.

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What is the lifetime of erbium-doped fiber?

● Introduction to Erbium-Doped Fibers The field of optical communications has been revolutionized by the incorporation of rare-earth elements such as erbium into fiber optics. At the heart of this technological advancement is the Erbium-Doped Fiber Amplif

What is the lif

● Introduction to Erbium-Doped Fibers The field of
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What are fiber

In the ever-evolving realm of telecommunications,
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What is the dif

Understanding Laser and Amplifier Basics ● Defini
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What is erbium-

1. Introduction to Erbium-Doped Fiber Amplifiers (
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