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Faraday Rotator Mirror (FRM)

 

 

Description:

 

The Faraday Rotator (FRM) provides a 90 rotation in the polarization of reflected  signals independent of the state of input polarization. This feature eliminates polarization induced fringe fading in interferometers and sensors. It can also provide for forward and backward pass through EDFA for gain optimization. It features low insertion loss and high return loss in a compact inline package.

 

Applications:

 

         EDFA

         Fiber laser

         Interferometers

         Sensors

         Instrumentation

 

 

Key Features:

 

         Low insertion loss

         High return loss

         Precision polarization rotation

         Compact inline package

 

Specifications (two performance grades are offered):  

 

 

Premium Grade

A Grade

Wavelength

1310, 1550nm  

Spectral width

20nm

Faraday Rotation Angle (23C)

450.5 (single pass)

 901   (double pass)

451 (single pass)

 902 (double pass)

Typical Insertion (Reflection) Loss (lc20nm, 23C)

0.5dB

0.7dB

Maximum Reflection Loss (lc20nm, 23C)

0.7dB

0.9dB

Polarization Sensitivity

0.02dB

0.05dB

Return Loss

30dB

25dB

Optical Power

300mW

Operating Temperature

   0 to 70C

Storage Temperature

-40 to 85C

Size

Compact inline package

 

 

 

Ordering Information:

 

FRM

 

 

 

 

 

 

 

 

 

Wavelength

1550nm

1310nm

Other

 

=1

=2

=3

Grade

Premium

Grade A

 

 

=P

=A

 

 

Fiber Type

SMF28 (900m)

SMF28 (250m)

Other

 

=1

=2

=3

Fiber Length

1m

Other

 

=1

=2

Connectors

None

FC/PC

FC/APC

Other

 

=0

=1

=2

=3

 

[Image of FRM]

 

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