A big diameter fiber fusion splicer is a fiber optic machine used for joining or splicing large diameter optical fibers together. This kind of splicer supports various fiber diameters, such as 125μm, 150μm, 200μm, 360μm, and 400μm. a brief explanation of each diameter:

1. 125μm: This is the most common diameter for single-mode and multimode fibers used in telecommunications networks and data transmission applications.

2. 150μm: Some specialty fibers, such as large core multimode fibers, may have a slightly larger diameter of 150μm. These fibers are used in specific applications where greater bandwidth or power handling capabilities are required.

3. 200μm: Larger diameter fibers are used in certain specialty applications, such as fiber optic sensors, high-power laser delivery, or medical devices. These fibers offer increased mechanical strength and higher power handling capacity.

4. 360μm: This diameter is often associated with plastic optical fibers (POF). POFs are commonly used for short-range data communications, such as home networks or automotive applications, due to their low cost and ease of installation.

5. 400μm: Similar to 360μm fibers, 400μm fibers are also used for POF applications but can provide slightly higher transmission speeds and longer link distances.

It's worth noting that the availability and usage of these fiber diameters can vary depending on the industry, application, and region. Additionally, different fusion splicer models may support different diameter ranges, so it's important to consult the specifications of the specific fusion splicer you are using or considering.

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