Fused fiber couplers 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.

DUV

Feature

Application

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

Capabilities

Couplers

General Specifications:

Parameter Value
Operating band 1526 ~1570nm
Operating Temp. -5℃ ~ 75℃
Storage Temp. -50℃ ~ 85℃
Max optical power (Port1 input) 1000mW
Package (mm) 30x45

 

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 0.1/0.2 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

General Specifications:

Parameter Value
Operating temperature -5℃ ~ +70℃
Operating humidity 5% ~ 95%
Storage temperature -50℃ ~ +85℃
Storage humidity 5% ~ 95%
Maximum optical power 1000mW
Fiber Type BF05635-02
Package (mm) ?2.8 x L44

Performance Specifications:

>
Parameter Mini Max Unit
Pump wavelength(?1) 970 990 nm
Signal wavelength(?2) 1527 1567 nm
insertion loss Port 1-2@?1 0.15 dB
Port 1-3@?2 1.15 dB
Isolation Port 1-2@?1 18 dB
Port 1-3@?2 18 dB
Flatness(WDL) Port 1-2@?1 0.08 dB
Port 1-3@?2 0.08 dB
PDL Port 1-2@?1 0.05 dB
Port 1-3@?2 0.05 dB
TDL Port 1-2@?1 0.1 dB
Port 1-3@?2 0.1 dB
Directivety / Return loss Port1, Port2, Port3 55 dB
PMD Port 2-1@?1 0.05 ps

 

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