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Home WDM, OTN & PON Passive Components Fiber Attenuators Hot Polarization Maintaining (PM) FC/APC 5dB Fixed Fiber Optic Attenuator | Singlemode for Lab & Research Applications

Polarization Maintaining (PM) FC/APC 5dB Fixed Fiber Optic Attenuator | Singlemode for Lab & Research Applications

Polarization Maintaining (PM) FC/APC 5dB Fixed Fiber Optic Attenuator | Singlemode for Lab & Research Applications

Brand:

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Specifications

Description

The Polarization Maintaining (PM) Attenuator FC/APC 5dB is a specialized optical attenuator designed for use in polarization-maintaining fiber optic systems where preserving the polarization state is critical. It provides a fixed 5 dB attenuation to reduce optical signal power while maintaining the polarization integrity.

Specifications

Connector Type: FC/APC (Ferrule Connector with Angled Physical Contact, 8° polish)
Attenuation: Fixed 5 dB (±0.5 dB tolerance)
Fiber Type: Polarization Maintaining (PM) fiber, typically Panda fiber with built-in stress rods
Wavelength Range: Usually optimized for 1310 nm, 1550 nm, or both (depending on the model)
Return Loss: =60 dB (due to APC angled polish)
Polarization Extinction Ratio (PER): Maintains high PER, typically >20 dB to preserve polarization state
Insertion Loss (excluding attenuation): Very low, typically <0.3 dB
Polarization Dependent Loss (PDL): Extremely low, typically <0.1 dB to avoid distortion of the polarization state
Max Input Power: Typically +23 dBm (200 mW) or higher depending on build
Operating Temperature: –40°C to +80°C

Features

Preserves polarization state: Essential for PM fiber applications like interferometry, sensors, and coherent communications
Stable, precise fixed 5 dB attenuation: For consistent optical power management
FC/APC connectors: High return loss and low back reflection to minimize signal degradation
Low PDL and insertion loss: Ensures minimal impact on signal quality and polarization extinction ratio
Robust construction: Suitable for lab and field deployment in high-precision optical systems

Ideal Use Cases

Fiber optic interferometers where maintaining polarization is critical
Coherent optical communication systems requiring polarization stability
Fiber optic sensing (e.g., fiber Bragg gratings, gyroscopes) using PM fiber
High precision measurement setups in research and industrial applications
Quantum communication systems where polarization control is essential

Why Choose a PM Attenuator FC/APC 5dB?

Polarization integrity: Maintains the polarization extinction ratio, preventing signal distortion or loss of coherence.
High return loss and low back reflection: Thanks to APC angled connectors, ideal for sensitive optical setups.
Precise, stable attenuation: Ensures consistent system performance in demanding applications.
Robust and reliable: Suitable for both lab testing and harsh field environments.
Compatible with PM fiber networks: Designed specifically to work with PM fibers, avoiding polarization crosstalk.

Features

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New

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