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Description

Bare fiber adaptors are essential tools for fiber optic testing, installation, and repair, providing a reliable interface between unterminated optical fibers and standard connectorized equipment. These adaptors are designed to facilitate quick, temporary connections to devices such as light sources, power meters, OTDRs, and extinction ratio meters, making them invaluable in laboratory, field, and manufacturing environments. By allowing direct access to the fiber core without the need for permanent termination, bare fiber adaptors streamline troubleshooting, measurement, and system verification processes.

The latest generation of bare fiber adaptors features innovative clamping mechanisms, including both spring and magnetic clamps. The magnetic clamp design, in particular, offers a gentle yet secure hold on the fiber, eliminating stress on delicate coatings and ensuring repeatable, high-quality connections. This is especially advantageous for polarization-maintaining (PM) fibers, where maintaining fiber integrity is critical for accurate measurements of parameters such as extinction ratio, polarization dependent loss, and polarization mode dispersion. The magnetic clamp also simplifies operation, making fiber insertion and removal quick and effortless for technicians.

These adaptors are compatible with a wide range of connector types, including FC, SMA, LC, ST, SC, and E2000, ensuring seamless integration with most commercial fiber optic equipment. They accommodate a variety of fiber diameters, typically ranging from 80 µm to 250 µm, with options for 900 µm tight buffer fibers and custom sizes available upon request. The reusable and easy-to-clean design ensures long-term reliability and cost-effectiveness, making bare fiber adaptors a practical choice for both routine and specialized fiber optic applications.

Whether used for temporary system repairs, testing of unterminated fiber spools, or rapid connection to measurement instruments, bare fiber adaptors deliver versatility and performance. Their robust construction and thoughtful engineering make them a staple in the toolkit of fiber optic professionals worldwide.

Bare Fiber Adaptors with Magnetic Clamp

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Specifications

Connector Type (Side A / Side B): FC/PC - FC/PC, FC/APC - FC/APC, FC/PC - SC/PC, FC/APC - SC/APC, SC/PC - SC/PC, LC/PC - LC/PC, LC/APC - LC/APC, SMA - SMA, ST - ST, E2000, Custom
Fiber Type Compatibility: Single-mode, Multimode, Polarization-maintaining
Adapter Gender: Male-Male, Female-Female, Male-Female
Ferrule Diameter: 0.25 mm
Connector Type: FC, SMA, LC, ST, SC, E2000
Fiber Size Compatibility: 250 micron to 400 micron OD jacketed fiber
Interchangeable Fiber Size: 80 µm to 250 µm
Ferrule Hole Size: 80–250 micron

Got questions about specs? Use the inquiry form to ask.

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Features

  • Easy to Use: Simple strip, clean, cleave, and insert operation for quick fiber connections.
  • Low Cost & Reusable: Economical solution designed for multiple uses and easy cleaning.
  • Magnetic Clamp Design: Innovative magnetic clamp gently secures fiber without applying stress, ideal for sensitive fibers and PM fiber applications.
  • Spring Clamp Option: Accommodates up to 900 micron OD jacketed fiber for versatile compatibility.
  • Wide Connector Compatibility: Available for FC, SMA, LC, ST, SC, and E2000 connectors to suit a variety of equipment.
  • Supports Multiple Fiber Sizes: Compatible with fiber diameters from 80 µm to 250 µm (magnetic clamp) and up to 900 µm (spring clamp); custom sizes available upon request.
  • PM Fiber Compatible: Magnetic clamp version supports polarization-maintaining (PM) fibers, enabling precise ER, PDL, and PMD measurements.
  • No Fiber Stress: Magnetic clamp mechanism eliminates stress on fiber coatings, preserving fiber integrity during testing.
  • Interchangeable Ferrules: Easily swap ferrules for different fiber diameters, enhancing flexibility and reducing downtime.
  • 900 Micron Tight Buffer Versions: Special versions available for 900 µm tight buffer fibers (contact factory for details).
  • Ideal for Testing & Measurement: Perfect for temporary connections to light sources, power meters, OTDRs, extinction ratio meters, and more.
  • Efficient for Installation & Repair: Enables fast, reliable connections for field installation, repair, and troubleshooting of unterminated fibers and spools.
  • Durable & Reliable Construction: Built for repeated use in laboratory and field environments.

Applications

  • Temporary Connection to Test Equipment: Easily connect unterminated optical fibers to light sources, power meters, OTDRs, extinction ratio meters, and other fiber optic test and measurement devices for quick and reliable testing.
  • Fiber Identification and Verification: Rapidly identify and verify fiber types and performance in the field or laboratory without the need for permanent connectors.
  • Testing Unterminated Fiber and Fiber Spools: Efficiently test the optical performance of bare fiber ends and spooled fibers before termination or installation.
  • Installation, Maintenance, and Repair: Perform temporary connections during fiber optic cable installation, troubleshooting, and repair work, minimizing downtime and ensuring network reliability.
  • Connector Compatibility Testing: Check compatibility and performance of different connector types (FC, SMA, LC, ST, SC, E2000) with various fiber sizes and types.
  • Polarization-Maintaining (PM) Fiber Measurements: Use magnetic clamp versions for stress-free, repeatable connections to PM fibers for extinction ratio (ER), polarization dependent loss (PDL), and polarization mode dispersion (PMD) testing.
  • Temporary System Repairs: Quickly restore fiber optic links in the event of connector or cable failure by using bare fiber adaptors as a stopgap solution.
  • Fiber Cleaving and Preparation Training: Serve as a practical tool for training personnel in fiber stripping, cleaning, cleaving, and handling techniques.
  • Research and Development: Facilitate rapid prototyping and experimental setups in R&D labs where frequent changes to fiber connections are required.
  • Quality Control and Inspection: Enable fast inspection and quality control of fiber optic components and assemblies before final termination.
  • Field Testing and Demonstrations: Ideal for field engineers and sales demonstrations where quick, reliable fiber connections are needed without permanent termination.
  • Compatibility with Specialty Fibers: Accommodate a wide range of fiber diameters (80 µm to 900 µm) and types, including custom and specialty fibers, for versatile testing applications.

Frequently Asked Questions

What is a bare fiber adaptor and what is it used for?
A bare fiber adaptor is a device that allows unterminated optical fibers to be temporarily connected to standard fiber optic connectors such as FC, SMA, LC, ST, SC, and E2000. It is commonly used for testing, measurement, installation, and repair work, enabling quick connections to equipment like light sources, power meters, OTDRs, and extinction ratio meters.
How does the magnetic clamp in bare fiber adaptors work?
The magnetic clamp in bare fiber adaptors gently holds the fiber in place without applying stress or damaging soft acrylate coatings. This design makes it easy to insert and remove fibers, and is especially suitable for polarization-maintaining (PM) fibers and sensitive measurements such as extinction ratio (ER), polarization dependent loss (PDL), and polarization mode dispersion (PMD).
What connector types and fiber sizes are compatible with these bare fiber adaptors?
These bare fiber adaptors are available with a variety of connector types, including FC, SMA, LC, ST, SC, and E2000. They accommodate fiber diameters from 80 µm to 250 µm with the magnetic clamp, and up to 900 µm with the spring clamp version. Custom ferrule hole sizes and 900 micron tight buffer versions are also available upon request.
Can bare fiber adaptors be reused and are they easy to clean?
Yes, bare fiber adaptors are designed to be reusable and easy to clean. Their robust construction and simple design allow for repeated use in laboratory and field environments, making them a cost-effective solution for temporary fiber connections.
Are these bare fiber adaptors suitable for polarization-maintaining (PM) fiber?
Yes, the magnetic clamp version of the bare fiber adaptor is compatible with polarization-maintaining (PM) fibers. The magnetic clamp applies no stress to the fiber, making it ideal for precise PM fiber measurements and applications.
What are the main applications of bare fiber adaptors?
Bare fiber adaptors are mainly used for temporarily connecting unterminated fibers to test and measurement equipment, such as light sources, power meters, OTDRs, and extinction ratio meters. They are also useful for testing fiber spools, installation, and repair work where a quick and reliable fiber connection is needed.
How do I order a bare fiber adaptor with specific connector and fiber size requirements?
To order a bare fiber adaptor, specify the connector type (e.g., FC, SMA, LC, ST, SC, E2000) and the required ferrule hole size in microns (typically 80–250 µm for magnetic clamp versions). For magnetic clamp versions, add “–M” to the part number. Custom sizes and 900 micron tight buffer versions are available by contacting the manufacturer directly.

Got more questions? Use the inquiry form to ask the supplier directly.

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