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1550 nm Polarization Maintaining Filter Coupler Module (1 × 4/1 × 8 )

The 1550 nm Polarization Maintaining Filter Coupler Module (1 × 4/1 × 8 ) can be widely used in fiber sensors, amplifiers, and lasers, etc.
  • Product Detail

The PMFCM series is manufactured by using advanced technology to allow the input signal to be splitted into multi channels at a given splitting ratio with high extinction ratio, low excess loss, good uniformity, low wavelength dependance and low temperature dependance. It can be widely used in fiber sensors, amplifiers, lasers, etc.

Specifications

Parameter

Unit

1 × 4

1 × 8

Center Wavelength (λc)

nm

1310, 1550

1310, 1550

Operating Wavelength Range

nm

λc ± 30

λc ± 30

Insertion Loss

dB

≤ 7.5, Typ. 7.0

≤ 11, Typ. 10.5

Wavelength Dependent Loss

dB

≤ 0.5, Typ. 0.3

≤ 0.5, Typ. 0.3

Max. IL Uniformity

dB

0.8

1

Min. Return Loss

dB

50

50

Directivity

dB

50

45

Min. Extinction Ratio

dB

20

20

Max. Temperature Dependent Loss

dB/℃

0.006

0.008

Fiber Type

-

PM Panda fiber

PM Panda fiber

Operating Temperature

- 5 to + 70

- 5 to + 70

Storage Temperature

- 40 to + 85

- 40 to + 85

Package Dimensions

mm

160 × 140 × 10

160 × 160 × 10

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