Single Window Fixed In-line Attenuators

(1310, S, C, L, and C+L band)

SWFA Series

Insertion Loss Tables

R1.20070731

Oplink Communications, Inc.

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

Atte

1

2

3

20dB

19.0-21.0

≤0.45

≤0.12

18dB

17.50-19.0

≤0.45

≤0.15

17dB

15.5-17.5

≤0.40

≤0.15

15dB

13.5-15.5

≤0.30

≤0.15

13dB

11.5-13.5

≤0.25

≤0.10

11dB

10.5-11.5

≤0.25

≤0.10

10dB

9.50-10.50

≤0.25

≤0.10

9dB

8.50-9.50

≤0.25

≤0.10

8dB

7.50-8.50

≤0.25

≤0.10

7dB

6.50-7.50

≤0.20

≤0.10

6dB

5.50-6.50

≤0.20

≤0.10

5dB

4.60-5.50

≤0.20

≤0.10

4dB

3.70-4.30

≤0.20

≤0.10

3dB

2.70-3.30

≤0.20

≤0.10

2dB

1.70-2.30

≤0.15

≤0.10

1dB

0.85-1.15

≤0.15

≤0.10

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

2. Insertion loss change over the specified wavelength range.

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

Attenuation

Insertion Loss (IL) II : 1310nm, S

Atte

(dB)

2

(dB)

3

(dB)

20dB

18.5-21.5

≤0.90

≤0.20

18dB

17.5-18.8

≤0.80

≤0.15

17dB

16.0-17.5

≤0.70

≤0.15

15dB

13.8-16.0

≤0.60

≤0.15

13dB

12.0-13.8

≤0.50

≤0.10

11dB

10.5-12.0

≤0.50

≤0.10

10dB

9.90-10.5

≤0.50

≤0.10

9dB

8.70-9.90

≤0.50

≤0.10

8dB

7.60-8.70

≤0.50

≤0.10

7dB

6.50-7.60

≤0.45

≤0.10

6dB

5.40-6.50

≤0.45

≤0.10

5dB

4.40-5.40

≤0.40

≤0.10

4dB

3.40-4.40

≤0.35

≤0.10

3dB

2.60-3.40

≤0.35

≤0.10

2dB

1.70-2.30

≤0.25

≤0.10

1dB

0.80-1.20

≤0.20

≤0.10

1. Insertion loss over operating wavelength range at ~23°C (excluding PDL and TDL). For S-band product, add 0.1dB

due to water absorption peak of fiber.

2. Insertion loss change over the specified wavelength range. For S-band product, add 0.1dB in WDL due to water

absorption peak of fiber.

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

Attenuation

WDL

PDL

IL

WDL

PDL

(dB)

(dB)

(dB)