Oplink Communications, Inc.

Mini Single Window Single Mode Fiber Coupler

Mini SWFC Series

Insertion Loss Tables

R3.20070824

Insertion Loss (IL) III : 980nm coupler

Signal

Signal

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Signal

Signal

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A Grade

P Grade

18.2-21.0

≤0.04

≤0.15

≤0.23

17.4-21.5

≤0.05

≤0.20

16.0-18.6

≤0.04

≤0.12

≤0.30

15.2-19.8

≤0.05

≤0.15

14.4-16.4

≤0.04

≤0.12

≤0.34

13.7-17.1

≤0.05

≤0.15

12.2-14.0

≤0.04

≤0.10

≤0.40

11.8-14.7

≤0.05

≤0.15

9.40-11.0

≤0.05

≤0.10

≤0.65

9.00-11.3

≤0.06

≤0.15

7.70-8.85

≤0.05

≤0.10

≤0.85

7.4-9.1

≤0.06

≤0.15

6.30-7.80

≤0.05

≤0.10

≤1.15

6.0-8.1

≤0.07

≤0.14

5.45-6.70

≤0.06

≤0.10

≤1.44

5.5-6.8

≤0.07

≤0.14

4.60-5.75

≤0.06

≤0.10

≤1.82

4.7-5.9

≤0.08

≤0.13

4.10-5.05

≤0.07

≤0.10

≤2.02

4.2-5.0

≤0.08

≤0.13

3.85-4.40

≤0.07

≤0.09

≤2.60

3.7-4.6

≤0.09

≤0.11

3.15-3.80

≤0.07

≤0.09

≤2.81

3.1-4.0

≤0.09

≤0.11

2.70-3.40

≤0.08

2.60-3.50

≤0.10

1. Insertion loss over operating wavelength range at ~23°C (excluding PDL and TDL).

2. Insertion loss change over the all input polarization states.

Coupling Ratio

99/1

98/2

97/3

95/5

90/10

85/15

80/20

75/25

70/30

65/35

60/40

55/45

50/50

≤0.18

≤0.25

≤0.30

≤0.35

≤0.60

≤0.90

≤1.15

≤1.50

≤1.75

≤2.05

≤2.50

≤2.85

IL

IL

1

PDL

PDL

2

(dB)

(dB)

1

(dB)

2

(dB)

99/1

≤0.20

18.5-21.0

≤0.05

≤0.12

≤0.25

15.5-21.5

≤0.07

≤0.15

95/5

≤0.38

11.4-14.8

≤0.05

≤0.12

≤0.50

11.2-15.2

≤0.07

≤0.15

90/10

≤0.60

9.20-11.3

≤0.07

≤0.12

≤0.70

8.70-11.7

≤0.10

≤0.15

80/20

≤1.30

5.70-7.90

≤0.10

≤0.12

≤1.5

5.4-8.5

≤0.10

≤0.15

70/30

≤1.90

4.30-6.00

≤0.10

≤0.10

≤2.2

4.2-6.4

≤0.10

≤0.15

60/40

≤2.60

3.40-4.70

≤0.10

≤0.10

≤2.8

3.2-4.7

≤0.10

≤0.15

50/50

2.70-3.40

≤0.10

2.60-3.60

≤0.15

1. Insertion loss over operating wavelength range at ~23°C (excluding PDL and TDL).

2. Insertion loss change over the all input polarization states.

Signal

Signal

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Signal

Signal

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A Grade

P Grade

Coupling Ratio

IL

IL

1

PDL

PDL

2

(dB)

(dB)

1

(dB)

2

(dB)

Insertion Loss (IL) II : 1310nm, S or C+L band coupler

A Grade

P Grade

IL

IL

1

PDL

PDL

2

(dB)

(dB)

1

(dB)

2

(dB)

Signal

Signal

Signal

Signal

Tap

Tap

Tap

Tap

99/1

≤0.18

19.0-21.0

≤0.04

≤0.12

≤0.20

17.7-21.5

≤0.05

≤0.15

98/2

≤0.25

16.4-18.4

≤0.04

≤0.12

≤0.30

16.0-19.4

≤0.05

≤0.15

97/3

≤0.30

14.6-16.2

≤0.04

≤0.12

≤0.35

14.0-16.8

≤0.05

≤0.15

95/5

≤0.35

12.4-13.8

≤0.04

≤0.10

≤0.40

12.0-14.4

≤0.05

≤0.15

90/10

≤0.60

9.60-10.8

≤0.05

≤0.10

≤0.65

9.20-11.2

≤0.06

≤0.14

85/15

≤0.85

7.80-8.80

≤0.05

≤0.10

≤0.90

7.5-9.0

≤0.06

≤0.14

80/20

≤1.15

6.60-7.60

≤0.05

≤0.10

≤1.15

6.4-8.0

≤0.07

≤0.13

75/25

≤1.35

5.75-6.50

≤0.06

≤0.10

≤1.44

5.6-6.7

≤0.07

≤0.13

70/30

≤1.75

5.00-5.50

≤0.06

≤0.10

≤1.82

4.9-5.8

≤0.08

≤0.12

65/35

≤2.10

4.40-4.90

≤0.10

≤2.15

4.3-5.0

≤0.08

≤0.12

60/40

≤2.50

3.95-4.30

≤0.09

≤2.60

3.7-4.6

≤0.08

≤0.10

55/45

≤2.85

3.35-3.80

≤0.07

≤0.07

≤0.07

≤0.09

≤2.90

3.1-4.0

≤0.09

≤0.10

50/50

2.80-3.30

≤0.08

2.70-3.30

≤0.10

1. Insertion loss over operating wavelength range at ~23°C (excluding PDL and TDL).

2. Insertion loss change over the all input polarization states.

Coupling Ratio

Insertion Loss (IL) I : C or L band coupler