Standard Coupler

FEATURES

- Low insertion loss
- Low excess loss
- Low PDL
- High directivity
- Long haul reliability
- Customized design is available

SPECIFICATIONS

Mode Type

Singlemode

Multimode

 Operating

 Wavelength (nm)

1310 ± 10

or 1550 ±10

800-600

 Grade

Super(S)

High(H)

Super(S)

High(H)

 Typical

 Excess Loss (dB)

0.06

0.15

0.7

1.0

 Uniformity (dB)

0.5

0.9

0.7

1.0

 Thermal Stability

 (dB)

0.2

0.3

0.2

0.25

 Polarization Stability

 (dB)

0.1

0.15

-

-

 Insertion Loss (dB)

Please see coupling ratio

 Directivity (dB)

50(1x2)

60(2x2)

35

 Return Loss (dB)

55

35

 Operating

 Temp. (˚C)

-40~ +85

 Storage

 Temp. (˚C)

-55~ +85


Insertion Loss (dB)

Coupling Ratio

Singlemode

Insertion Loss (dB)

Multimode

Insertion Loss (dB)

Super(S)

High(H)

Super(S)

High(H)

 50/50

3.4

3.6

3.9

4.3

 40/60

4.4/2.5

4.7/2.8

4.9/3.0

5.4/3.5

 30/70

5.7/1.8

6.0/2.0

6.2/2.3

6.7/2.7

 20/80

7.5/1.2

8.0/1.4

8.0/1.8

8.7/2.1

 10/90

10.8/0.7

11.5/0.9

11.3/1.25

12.2/1.6

 5/95

14.6/0.4

15.5/0.6

14.9/0.9

16.2/1.3

 1/99

21.6/0.2

22.0/0.3

22.1/0.7

22.7/1.0


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