Sumitomo Electric TYPE-39, TYPE-201, TYPE-71C+ Fusion Splicer Technical Review

About this manual

This document serves as a technical review of optical fiber fusion splicing technology developed by Sumitomo Electric Industries, Ltd. It traces the evolution of their splicers from the initial TYPE-3 model in 1980 to modern iterations, highlighting key innovations such as direct core monitoring, downsizing for mobility, and environmental durability. The text explains how these technologies enabled the widespread adoption of Fiber-To-The-Home (FTTH) networks in Japan and globally.

What's inside

• Introduction
• Optical Fiber Splicing Technologies
• Optical fiber core direct monitoring technology
• Downsizing and weight reduction
• Environmental durability
• Dual heaters
• Automatic fiber profiling detection
• Future prospects

Frequently asked questions

What temperature is used to fuse the end surfaces of optical fibers?

The apparatus fuses the end surfaces of the fibers at a high temperature of approximately 1,800°C.

How long does the protection sleeve heating time take with the dual heater mechanism?

The protection sleeve heating time was reduced to 35 seconds.

What is the maximum altitude at which the fusion splicers can operate?

The fusion splicers can operate at altitudes between 0 m and 5,000 m.