Single Mode Fused Biconic Coupler

Features

 Applications

Low Insertion Loss
Uniform Power Splitting
Excellent Environmental & 

 Mechanical  Stability

Long-Haul Telecommunications  

Digital,Hybrid and AM-Video systems CATV

High Speed Local Area Networks

Fiber Sensors

Coupling Ratio

Insertion Loss（dB）

P Grade

A Grade

50/50

3.5/3.5

3.6/3.6

40/60

4.7/2.7

5.0/2.9

30/70

6.0/1.9

6.4/2.1

20/80

7.9/1.2

8.5/1.4

10/90

11.3/0.6

12.7/0.8

05/95

14.0/0.45

17.5/0.5

01/99

21.0/0.2

21.5/0.25

Excess Loss（dB）

0.10

0.15

PDL（dB）

0.10

0.15

Operation Wavelength（nm）

1310±40, 1550±40,1310/1550±40,1310/1550±40/1490±20

Directivity（dB）

≥55

Return Loss（dB）

≥55

Channel Number

1×2 or 2×2

Parameter

Unit

Specification

Operating Wavelength

nm

Single Window¹     Dual,Three Window²

（1×N）

N=3

N=4

N=5

N=8

N=16

N=24

N=32

N=64

Fiber Type

Corning  SMF-28e

IL(MAX)

dB

5.4¹/5.6²

7.0¹/7.2²

7.8¹/8.0²

10.0¹/10.4²

13.5¹/13.9²

15.0¹/15.4²

17.3¹/17.5²

21.0¹/21.5²

Uniformity

dB

0.5¹/0.6²

0.5¹/0.6²

0.6¹/0.8²

0.8¹/1.0²

1.1¹/1.3²

1.2¹/1.5²

1.3¹/1.5²

2.1¹/2.5²

Return Loss

dB

≥55

Directivity

dB

≥55

PDL

dB

＜0.20

＜0.20

＜0.30

＜0.30

＜0.40

＜0.50

＜0.50

＜0.50

FBT

-

-

-

-

-

-

-

-

-

Type

Port

Wavelength

Coupling

Fiber

Package

Pigtail

Pigtail

Connector 

Type

S=Coupler   A=In-Line Attenuator  W=WDM

Port

0101=1x1, 0102=1x2, ..., 0404=4x4, ..., 0132=1x32, 0232=2x32

Wavelength

98=980, 13=1310, 14=1490, 15=1550  1314=1310&1490, 1315=1310&&1550, 345=1310&1490&1550 85=850, 9815=980&1550,  8513=850&1310

Coupling Ratio (Attenuation or Stage)

01=1/99 or 1dB or 1 Stage,02=2/98 or 2dB or 2 Stage,03=3/97 or 3dB or 3 Stage  05=5/95 or 1dB, 10=10/90 or 10dB, 15=15/85  45=45/55, 00=equal ratio, X=Others

Fiber Type

1=G652D, 2=G657A, 5=50/125, 6=62.5/125, X=Others

Package Dimension

B1, B2, ..., F, K

Pigtail Type

B=250µm Bare fiber, L=900µm Loose tube, S=2.0mm, R=3.0mm,0=Adapter

Pigtail Length

05--20=0.5--2.0m, 0=Adapter, X=Others

Connector Type

FU=FC/UPC, FA=FC/APC, SU=SC/UPC, SA=SC/APC,
ST=ST/UPC, LU=LC/UPC, LA=LC/APC, 00=None, X=Others

Pigtail Type

1x1

1x2

2x2

<=9 Ports

<=18 Ports

<=34 Ports

Bare Fiber

/

B1

B1

/

Ф0.9

B2

B2

B5

E

K

F

Ф2.0

B4/D

D

D

Ф3.0

Rack Mount

XU/XG

B1

Ф3x50 steel tube

X

Custom Specifies

B2

Ф3x54 steel tube

E

100x80x10 plastic case

B3

Ф3.5x54 steel tube

F

141x115x18 plastic case

B4

Ф5x70 steel tube

K

120x80x18 plastic case

B5

Ф3x60 steel tube

XU

19'' x=1,2,3,4 U Rack Mount

D

90x20x9.5 plastic case

XG

X=1,2,3,4 U LGX box