Performance Specifications

Singlemode Dual Window Wideband Couplers

Grade

P

A

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical) (dB)

0.07

0.1

Maximum lnsertion loss (dB)

3.6

3.8

Uniformity (Max.) (dB)

0.7

1.0

Polarization Sensitivity (dB)

0.10

0.15

Operating Wavelength (nm)

1310 / 1550 ± 40, 1310*1585 ± 40, or custom wavelength

Coupling Ratio/insertion Loss Conversion Chart

Coupling Ratio

lnsertion Loss

Premium

A Grade

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

11.3/0.5

12.0/0.8

5/95

14.0/0.35

14.6/0.43

1/99

22.5/0.25

23.0/0.35

Coupling Ratio(%)

1~50

Directivity (dB)

>55

Operating Temperature

-20 - + 85

Storage Temperature

-40 - + 85

Fiber Type

Corning Singlemode SMF-28, DS Fiber, or flexcore