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Fused Optical Couplers----SM Dual-window Optical Coupler
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Fused Optical Couplers----SM Dual-window Optical Coupler

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Description

Description
Joinwit adopts the FBT technique to produce the SM coupler with the high performance and liability which achieve the advanced level of similar products in the world. The extremely low excess loss greatly increases the coupler’s liability and long-term stability. Joinwit adopts the unique craft to eliminate the reflection of the 1X2 coupler’s spare input fiber end and ensure its long-term stability and at least 60dB directivity. Joinwit also supply the 1XN (NXN) Tree/Star type coupler by grade-connection 1X2 coupler.

Features
Low PDL
Low Excess Loss
Good Directivity 
Good environmental Stability 
Standard/Flattened/Broadband/Star/Tree
Applications
Optical Fiber Communication Systems
Optical Fiber CATV
Passive Optical Network (PON)
Optical Amplifiers
Optical Access Networks/LAN
Monitoring Systems
Optical Fiber Sensor

Specifications 

Type

Standard

Dual-window Brad 

Single-Window Broadband

Central Wavelength(nm)

1310nm or 1550nm

1310nm and 1550nm

1310nm or 1550nm

Bandwidth(nm)

±20

±40

±40

Star Structure

4*4  8*8  16*16

4*4  8*8  16*16

4*4  8*8  16*16

Tree Structure

1*4  1*8  1*16

1*4  1*8  1*16

1*4  1*8  1*16

Typical Insertion Loss(dB)

6.3  9.5  13.0

6.6  9.6  13.2

6.6  9.6  13.2

Uniformity(dB)

0.7  1.0  1.3

1.5  2.2  3.0

0.9  2.8  3.7 

PDL(dB)

0.10

Mini. Directivity(dB)

60

Operating Temperature()

-40~+75

Storage Temperature()

-40~+85

Packing Type

Customer Specify

Industry Standard

Telcordia GR-1221-CORE

Selectable Packing Size

3.0X50 (Stainless steel sleeve packing) 90X20X9

100X80X10 120X80X18 140X114X18