Singlemode Fiber Couplers

• Low Excess Loss
• Various Coupling Ratio
• Compact Size

• Long-haul Telecommunications
• CATV Systems & Fiberoptic Sensors
• Local Area Network

Grade

Premium

A Grade

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical )(dB)

0.1

0.15

Maximum Insertion loss (dB)

3.4

3.5

Polarization Sensitivity (dB)

0.1

0.15

Operating Wavelength (nm)

850, 980, 1310, 1480, 1550, 1585, or custom wavelength

Grade

Premium

A Grade

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical )(dB)

0.1

0.2

Maximum Insertion loss (dB)

3.4

3.5

Polarization Sensitivity (dB)

0.1

0.15

Operating Wavelength (nm)

1310+40, 1550+40, 1585 +40, or custom wavelength

Premium

A Grade

40/60

4.4/2.5

4.6/2.8

30/70

5.6/1.8

6.0/2.0

20/80

7.4/1.1

7.7/1.3

10/90

10.8/0.6

12.0/0.8

5/95

14.6/0.4

15.7/0.55

2/98

19.0/0.2

19.5/0.3

1/99

21.0/0.2

21.5/0.3

Type•

Grade

Wavelength

Coupling Ratio or Attenuation (dB)

Port

Package

Pigtail Style

Fiber Type

In/Out Connector

S
W

S
P
A

83=830nm
85=850nm
98=980nm
13=1310nm
14=1480nm
15=1550nm
16=1585nm

50=50/50
30=30/70
10=10/90
05=5/95
01=1/99

0102=1x2
0202=2x2

M=Package M N=Package N
A=Package A
B=Package B
C=Package C

1=Bare Fiber
2=900µm Jacket
3=3mm Cable

0=None
1=FC/APC
2=FC/PC
3=SC/APC
4=SC/PC
5=ST
6=LC

* Type:

S -- Singlemode Standard Coupler
W -- Singlemode Wideband Coupler

Package A:
3mm x 54mm stainless steel tube

Package B:
3mm x 60mm stainless steel tube       

Package C:
8.5mm x 14mm x 98mm case

Package M, N, A:

250um bare fiber

Package B:

250um bare fiber or 900um loose tube