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Large-core fiber optic fusion splicers are in stock

Large-core fiber optic fusion splicers are in stock

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Large-core fiber optic fusion splicers are available from multiple suppliers, including Thorlabs, HJ Optronics, and general distributors like Fiber Instrument Sales.

Overview

Large-core fiber optic fusion splicers are specialized devices designed to splice optical fibers with larger core diameters, typically ranging from 125 µm up to 1.25 mm depending on the model . These splicers use advanced alignment systems, high-resolution imaging, and precise heating mechanisms to ensure low-loss, high-strength splices, making them essential for high-power transmission, industrial lasers, medical devices, and specialized telecommunications systems .

Key Models and Features

  • Thorlabs Vytran Filament Fusion Splicers: Models like the LFS4100 and LFS4200 support fibers with claddings from 125 µm to 1.25 mm. They feature filament-based heaters, sub-micron resolution CCD imaging, and multi-axis precision stages for accurate fiber alignment. The LFS4100 can reach temperatures up to 3000 °C, while the LFS4200 is optimized for soft glass fibers with fine temperature control up to 1000 °C .
  • HJ Optronics S-37/S-39: These splicers handle large-diameter fibers from 125 µm up to 680 µm. They are widely used in laser source maintenance, manufacturing, R&D, and high-power telecommunications, offering advanced alignment and precise heating for specialty fibers including single-mode, multimode, and polarization-maintaining fibers .

Suppliers and Stock

  • Fiber Instrument Sales carries all major brands of fiber optic fusion splicers, including large-core models, and confirms that units are in stock and ready to ship .
  • Thorlabs and HJ Optronics provide direct sales and detailed specifications for large-core splicers, suitable for both research and industrial applications .
  • General online marketplaces like Amazon offer standard fiber optic fusion splicers, though for large-core or specialty fibers, direct suppliers are recommended for precise specifications .

Applications

Large-core fusion splicers are critical for:

  • High-power laser systems: Splicing pump sources, combiners, and QBH interfaces.
  • Telecommunications: Creating mode field adapters and ensuring reliable high-power connections.
  • Research and Development: Handling specialty fibers, including soft glass and polarization-maintaining fibers.
  • Medical and industrial devices: Where large-core fibers are required for high-power or specialized optical transmission . In summary, large-core fiber optic fusion splicers are currently available from multiple reputable suppliers, with models designed for precise, low-loss splicing of fibers with large diameters, suitable for industrial, research, and high-power applications .
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