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Fused Fiber Coupers and WDMs


Fused fiber couplers enable accurate splitting and monitoring of optical signals in single  mode fiber. Casix high performance components are available in a wide variety of tap ratios, wavelength ranges, packaging sizes and connector options.

Fused fiber WDM (Wavelength Division Multiplexing) couplers are used to combine and separate optical signals transmitted on different wavelengths. Casix fused fiber WDMs are available in common NIR and telecom wavelengths. They are an ideal solution for combining pump and signal wavelengths in fiber lasers and amplifiers or for combining telecom signals.


Feature:

    •     Low Insertion Loss

    •     Low PDL

    •     elcordia GR-1209, 1221 Qualified

    •     RoHS Compliant


Application:

Network monitoring, test equipment, fiber lasers, fiber amplifiers and other telecom applications.


Capabilities:

General Specifications:

Parameter

Value

Operating Band

1526-1570nm

Operating Temp.

-5oc~75oc

Storage Temp.

-50oc~85oc

Max Optical Power (Port1 Input)

1000mW

Package (mm)

30x45


Couplers Performance Specifications:

Grade P

Coupling Ratio

98:2

95:5

90:10

80:20

70:30

60:40

50:50

Max IL (dB)

0.2/17.8

0.4/13.6

0.6/10.8

1.15/7.6

1.7/5.5

2.6/4.4

3.3/3.3

Max WDL (dB)

0.05/0.15

0.1/0.15

0.10/0.13

0.1/0.12

0.15/0.15

0.15/0.15

0.10/0.15

Max PDL (dB)

0.05/0.10

0.05/0.10

0.1/0.10

0.05/0.10

0.1/0.15

0.1/0.10

0.1/0.10

Grade A

Coupling Ratio

98:2

95:5

90:10

80:20

70:30

60:40

50:50

Max IL (dB)

0.25/18.2

0.4/14.0

0.7/11.0

1.2/8.0

1.8/5.8

2.7/4.6

3.4/3.4

Max WDL (dB)

0.05/0.25

0.05/0.3

0.05/0.2

0.1/0.12

0.15/0.15

0.15/0.15

0.15/0.15

Max PDL (dB)

0.05/0.15

0.05/0.15

0.05/0.1

0.05/0.1

0.05/0.1

0.1/0.10

0.1/0.10


980/1550nm WDMs Performance Specifications:

Parameter

Min

Max

Unit

Pump Wavelength(λ1)

970

990

Nm

Signal Wavelength(λ2)

1527

1567

Nm

Insertion Loss

Port 1-2@λ1


0.15

dB

Port 1-3@λ2


1.15

dB

Isolation

Port 1-2@λ1

18


dB

Port 1-3@λ2

18


dB

Flatness(WDL)

Port 1-2@λ1


0.08

dB

Port 1-3@λ2


0.08

dB

PDL

Port 1-2@λ1


0.05

dB

Port 1-3@λ2


0.05

dB

TDL


Port 1-2@λ1


0.1

dB

Port 1-3@λ2


0.1

dB

Directivety/Return Loss

Port1,Port2,Port3

55


dB

pmd

Port 2-1@λ1


0.05

ps



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