Shenzhen Puhuixin Tecnhnology Co., Ltd.
3×3(4×4) Monolithic Single Mode Coupler

3×3(4×4) Monolithic Single Mode Coupler

Fiber Optic 3x3(4x4) Monolithic Single Mode Coupler is fabricated by fusing and stretching 3 or 4 fibers under heat at the same time. This fusion technology can avoid applying glue on fibers, which enables FBT couplers to have high environmental stability and very low insertion loss.
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3×3(4×4) Monolithic Single Mode Coupler

Applications of 3×3(4×4) Monolithic Single Mode Coupler

1. Telecommunication systems

2. CATV

3. Local Area Networks

4. Testing instruments

5. Subscriber Loops


Specifications of 3×3(4×4) Monolithic Single Mode Coupler


3×3 SSC

4×4 SSC

3×3 WBC

4×4 WBC

Operating wavelength (nm)

1310 or 1550

1310 or 1550

Operating bandwidth (nm)

±15

±40

Port configuration

3×3 or 4×4

Grade

P

A

P

A

P

A

P

A

Typical excess loss (dB)

0.1

0.15

0.1

0.15

0.1

0.15

0.1

0.15

Insertion Loss (dB)

≤5.6

≤5.8

≤7.5

≤8.0

≤5.8

≤6.2

≤7.5

≤8.0

PDL (dB)

≤0.15

≤0.20

≤0.20

≤0.30

≤0.15

≤0.20

≤0.20

≤0.30

Uniformity (dB)

≤1.0

≤1.4

≤1.0

≤1.4

≤1.3

≤1.6

≤1.3

≤1.6

Directivity (dB)

≥55

Operating temperature(℃)

-40  ~  +85

Package Dimension

250μm bare fiber: Φ3.0×54mm

*The above specification is without a connector.

**Other specifications can be made on customer request.


Ordering Information of 3×3(4×4) Monolithic Single Mode Coupler

/

X

XXX

XXXX

XX/XX

X

X

XXX

XX/XX


Grade

Port number

Operating Wavelength

Coupling Ratio

Pigtail Type

Encapsulation steel tube

Fiber Length

Connector


P=Perfect

3×3

1310=1310

01/99

0=250um

3.0×54

1m

FC/UPC


A=Grade A

4×4

1550=1550

02/98

1=900um


1.5m

FC/APC


X=customized


1315=1310 & 1550

03/97

4=others


2m

SC/UPC







Optical technology in Autonomous Vehicles
Autonomous Vehicles
Optical Fiber Used in Optical Communication System
Optical Communication Systems
Optical Fiber Used In Local Area Networks
Local Area Networks
Optical Fiber Used In CATV Systems
CATV Systems
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