Fujikura FH-40 Series Specialty Fiber Holders

Fujikura FH-40 Series Specialty Fiber Holders

The Fujikura FH-40 Series Specialty Fiber Holders are precision accessories designed to secure optical fibers during preparation and fusion splicing with compatible Fujikura specialty splicing systems. The holders help maintain controlled fiber positioning as the fiber moves through stripping, cleaning, cleaving, alignment, and fusion processes.

FH-40 Series holders are available in configurations for selected fiber coating diameters and constructions. Standard models hold compatible coated optical fibers, while specialized versions such as the FH-40-LT900 are designed for 900 µm loose-buffer fiber.

The FH-40 Series is associated with compatible Fujikura FSM-40 and FSM-45 specialty fusion splicers, including selected FSM-40F, FSM-40PM, FSM-45F, and FSM-45PM systems. Compatibility depends on the exact holder model, fiber dimensions, fiber construction, cleaver, stripper, and splicer configuration.

Controlled Fiber Positioning for Specialty Fusion Splicing

The Fujikura FH-40 Series helps reduce direct handling of prepared optical fibers. Once the fiber is positioned in the appropriate holder, the holder can support controlled movement through compatible preparation and splicing equipment.

• Precision fiber positioning: Helps maintain stable fiber placement during preparation and fusion splicing.
• Multiple holder configurations: Available for selected fiber coating diameters and constructions.
• Specialty splicer compatibility: Designed for compatible Fujikura FSM-40 and FSM-45 specialty fusion splicers.
• Matching holder pairs: Supplied as left- and right-side holders for compatible splicing systems.
• Reduced fiber handling: Helps limit direct contact with stripped and prepared optical fiber.
• Preparation-tool support: Selected holders can remain attached during compatible stripping, cleaning, and cleaving procedures.
• Loose-buffer option: The FH-40-LT900 is designed for compatible 900 µm loose-buffer fiber.
• Field and laboratory use: Suitable for specialty fiber production, research, maintenance, and technical service applications.

FH-40-900 Fiber Holders

The Fujikura FH-40-900 is designed for optical fibers with coating diameters of approximately 890 to 1000 µm. It is supplied as a matching pair for compatible Fujikura FSM-40 and FSM-45 fusion splicing systems.

This model is intended for compatible coated fibers and should not automatically be selected for every fiber described as 900 µm. The fiber’s actual construction, coating diameter, buffer type, stiffness, and required cleave length must be confirmed.

For loose-buffer fiber, the FH-40-LT900 may be the more appropriate option. Standard coated fiber and loose-buffer fiber can behave differently during clamping, stripping, and preparation even when both have a nominal diameter near 900 µm.

FH-40-LT900 Loose-Buffer Fiber Holders

The Fujikura FH-40-LT900 is designed specifically for holding compatible 900 µm loose-buffer fiber. The holder uses a lid screw to secure the loose tube and is supplied as a matching pair.

Loose-buffer materials can vary in flexibility, wall thickness, and mechanical properties. The FH-40-LT900 can use spacers to accommodate supported tube materials and help establish appropriate clamping. Several spacer sizes may be supplied with the holder configuration.

The FH-40-LT900 is intended for compatible Fujikura FSM-100 Series, FSM-45 Series, FSM-40F, and FSM-40PM specialty fusion splicing equipment. Compatibility with the complete preparation workflow should be verified before ordering.

Standard Coating and Loose-Buffer Holders

Selecting between a standard FH-40 coating-diameter holder and an LT loose-buffer holder requires more than checking the nominal outside diameter. The correct holder depends on how the fiber is constructed and how it must be clamped.

A standard holder is generally selected according to the supported coating diameter. A loose-buffer holder is designed to secure a tube or buffer structure without treating it as a conventional tightly bonded coating.

Using an unsuitable holder may result in unstable fiber positioning, buffer deformation, inconsistent cleave length, or difficulty transferring the fiber between preparation tools. Fiber construction and holder compatibility should therefore be confirmed before use.

Compatible Fujikura Specialty Fusion Splicers

Depending on the holder model, the Fujikura FH-40 Series is intended for selected specialty fusion splicing systems, including:

• Fujikura FSM-40F Fusion Splicer
• Fujikura FSM-40PM Fusion Splicer
• Fujikura FSM-45F Series Fusion Splicers
• Fujikura FSM-45PM Series Fusion Splicers
• Selected Fujikura FSM-100 Series systems when using compatible FH-40 specialty holders

Compatibility can vary by holder designation and installed equipment configuration. Confirm the full fusion splicer model, holder base, fiber dimensions, and preparation accessories before ordering.

Fiber Preparation and Holder Care

Clean fiber holders are essential for controlled fiber positioning. Dust, coating residue, cleaning-fluid deposits, or physical damage can prevent the fiber from resting correctly in the holder.

Inspect the holder groove, lid, clamping surfaces, adjustment components, and spacers before use. Clean the holder using procedures and materials appropriate for Fujikura fiber-holder maintenance. Do not use damaged or contaminated holders for precision specialty fiber preparation.

Store matching holder pairs together in a clean protective container. Avoid dropping, bending, modifying, or mixing unmatched holder components because physical variation can affect positioning and process repeatability.

Applications for Fujikura FH-40 Series Fiber Holders

• Specialty optical fiber fusion splicing
• Preparation of compatible coated optical fibers
• Preparation of supported loose-buffer fibers
• Laboratory and research fiber processing
• Photonics and optical component manufacturing
• Fiber laser and sensing applications
• Maintenance of legacy Fujikura specialty splicing systems
• Controlled transfer between compatible stripping, cleaning, cleaving, and splicing equipment

Why Buy Fujikura FH-40 Series Fiber Holders from Simbol Test Systems?

Simbol Test Systems supplies professional specialty fusion splicers, fiber holders, precision cleavers, thermal strippers, ultrasonic cleaners, electrodes, and related fiber preparation accessories. As an authorized Canadian distributor and service center for AFL and Fujikura products, we support customers with product selection, repair, maintenance, and technical service.

Correct FH-40 holder selection depends on the fusion splicer model, fiber coating diameter, cladding diameter, buffer construction, cleave length, stripping process, and cleaning requirements. Simbol Test Systems can help identify the appropriate holder configuration for compatible Fujikura specialty fiber equipment.

Fujikura FH-40 Series General Specifications

Verified FH-40 Series Model Applications

FH-40 Series Model Selection Guide

Select the holder according to the fiber’s actual coating or buffer construction. For a conventional coated fiber near 900 µm, the FH-40-900 may be appropriate. For a compatible 900 µm loose-buffer fiber, use the FH-40-LT900.

For other coating diameters, provide the complete fiber dimensions and material information before selecting an FH-40 holder. Model availability and compatibility may vary for legacy Fujikura specialty splicers.

Professional Support and Availability

Contact Simbol Test Systems with the fusion splicer model, fiber cladding diameter, coating or buffer diameter, buffer construction, stripping method, cleaver, and required cleave length to request Fujikura FH-40 Series availability, compatibility assistance, maintenance, replacement, or technical support.