How to choose different models of large core fiber splicers

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How to choose different models of large core fiber splicers

2025-07-11

Many customers ask about the differences between our three models: S-37, S-37+, and S-27. For the maintenance needs of fiber lasers with different powers, the selection of large core splicers should focus on the fiber diameter range, splicing accuracy, heat source control capability, and environmental adaptability. The following are specific recommendations, classified by power range and application scenarios:

1. High-power fiber laser (>1 kW) maintenance
This type of laser uses ultra-large core fiber (>500 μm), and splicing needs to avoid thermal damage and stress points, which requires extremely high accuracy and stability.

Preferred model: Shinho S-37+ large diameter model fiber fusion splicer

Core advantages:

Supports 128-680 μm ultra-large core diameter fiber, covering passive fiber and gain fiber;

With tempering function, uniform heating prevents brittle fracture of the fusion point, suitable for energy transmission points of high-power lasers;

Real-time arc correction: Automatically adjust discharge parameters according to temperature and air pressure to improve fusion consistency16.

Applicable scenarios:

For example: laser weapon system, multi-kilowatt laser combiner fusion maintenance for industrial cutting.

2. Medium-power fiber laser (500 W–1 kW) maintenance
This type of scenario needs to take into account both fusion efficiency and cost, and the fiber diameter is mostly 200–500 μm.

Recommended models:

Shinho S-37 model large diameter fiber fusion splicer machine

Supports 125–600 μm passive fiber splicing

Short cutting length (3–5 mm) capability: saves maintenance consumables

Applicable scenarios: laser disk, YB fiber, combiner, fiber maintenance

3. Low-power laser (<500 W) and on-site maintenance
It is necessary to focus on portability, environmental adaptability and ease of operation. The fiber diameter is usually 125-400 μm.

Recommended models:

Shinho S-27 model large diameter fiber fusion splicer machine

Supports 125–400 μm fiber, splicing time 14 seconds, heating time 30 seconds

Next :
Core Applications of Large-Diameter Optical Fibers (100–1000 μm) in Medcal Industry