TECHNICAL DATASHEET

1310-1550nm PM Faraday Mirror (Faraday Rotating Mirror)

Polarization-Maintaining Faraday Rotating Mirror (PM FRM) designed for 1310nm and 1550nm telecom and sensing systems. Provides exact 90° polarization rotation on reflection, neutralizing birefringence effects and polarization fading in fiber interferometers and sensors.

Technical Specifications

Parameter
Specification
Unit
Center Wavelength
1550, 1480, 1310
nm
Operating Bandwidth
±15
nm
Faraday Rotation Angle on Reflection
90
deg
Rotation Angle Tolerance
±1.5
deg
Max. Insertion Loss @ 23°C
0.6 (1550/1310)
dB
Min. Return Loss
50 (Connectorized)
dB
Max. Optical Power (CW)
300 / 500
mW
Fiber Type
PM Panda Fiber
-
Operating Temperature
-5 to +70
°C
Storage Temperature
-40 to +85
°C
Package Dimensions
dia. 2.5 x 15 mm
mm
Technical Datasheet Note
With connectors, IL increases by 0.3 dB and RL decreases by 5 dB. High environmental stability qualified to Telcordia GR-1221.
Configuration and ordering notes

Configuration parameters include center wavelength (1550nm or 1310nm) and connector type (FC/APC standard).

Selection Guidance: Review extinction ratio formulas, axis alignment, and splicing tolerances in our PM Fiber Components & Extinction Ratio Guide ↗ or Fiber Polarizer Selection Guide ↗.

Key Applications

Fiber optic interferometers (Michelson & Mach-Zehnder); Fiber optic hydrophones and seismic arrays; Quantum key distribution (QKD); EDFA double-pass amplifiers.

Package Drawing

120 1310-1550nm PM Faraday Mirror (Faraday Rotating Mirror), Center Wavelength: 1550, 1480, 1310 – KernsOptic
Package reference for 1310-1550nm PM Faraday Mirror (Faraday Rotating Mirror). Confirm the final configuration during engineering review.

Package dimensions depend on the configuration. The catalog, ordering information or drawing show different package references; engineering must confirm the final mechanical outline before ordering.

Need an exact configuration?

A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.