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Bare Fiber Adapter
Passive Components > Adapters

Bare Fiber Adapter

Bare fiber adapter for quickly coupling unterminated fiber to test equipment.

PDR Bare Fiber Adapters enable tool-free temporary connection of stripped bare fibers to SC, LC, FC, ST, or SMA interfaces for reliable testing, field, and lab applications.
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Technical Specifications

Adapter TypesSC, LC, FC, ST, SMA
Compatible FiberSingle-mode (OS1/OS2) | Multimode (OM1, OM2, OM3, OM4)
Fiber Cladding Diameter125 µm (standard)
Fiber Holding MechanismMechanical clamp, no adhesive or tools required
Insertion LossSC/FC/ST: ≤ 0.5 dB | LC: ≤ 0.5 dB | SMA: ≤ 1.0 dB (typical)
Return LossSC/FC/ST: ≥ 20 dB | LC: ≥ 20 dB | SMA: ≥ 14 dB
Mating Durability≥ 500 mating cycles
Housing MaterialZinc alloy body with precision ceramic / stainless insert
Operating Temperature20°C to +70°C
Storage Temperature-40°C to +85°C
Operating Humidity5%, 95% RH (non-condensing)
Bare Fiber InsertionSimple straight insertion, no stripping jig required
ApplicationsLab testing, field measurement, emergency restoration, PON/OTDR use
ComplianceRoHS compliant

Key Features

  • Available in SC, LC, FC, ST, and SMA interface types to suit all common test equipment
  • Secure mechanical clamping mechanism holds bare fiber firmly without adhesive or tools
  • Compatible with both single-mode (OS1/OS2) and multimode (OM1, OM4) optical fibers
  • Compact, lightweight body for easy handling in lab and field environments
  • Simple plug-and-play operation, insert bare fiber on one side, connect to equipment on the other
  • Enables fast temporary termination for fiber testing and measurement applications

Applications & Use Cases

  • Fiber-to-the-Home (FTTH) and Fiber-to-the-Building (FTTB) network testing and commissioning
  • Telecommunications network measurement, fault location, and maintenance
  • OTDR and optical power meter connections during cable installation and characterisation
  • Data centre and enterprise LAN fiber testing and troubleshooting