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Singlemode Dual Window Wavelength Flattened Coupler (SDC Series)

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Product Name: Singlemode Dual Window Wavelength Flattened Coupler (SDC Series)


The Singlemode Dual Window Wavelength Flattened Couplers offer very low insertion loss, low polarization dependence and excellent enviromental stability. Accurate coupling ratio from 50/50 to 1/99 are available with very good uniformity in a wide wavelength range of both 1310 nm and 1550 nm windows. These components find extensive applications to perform power splitting and mornitoring fuctions in all kinds of optical communication systems.


Specifications

Parameter

Unit

Value

Center Wavelength (λc)

nm

1310 & 1550 or Specify

Operating Wavelength

nm

λc ± 40

Coupling Ratio

%

01/99 

02/98 

03/97

05/95

10/90

Max. Insertion Loss

dB

22/0.19

19/0.25

17.5/0.3

14.5/0.4

11/0.75

Coupling Ratio

%

20/80

30/70 

40/60

50/50 

Max. Insertion Loss

dB

7.8/1.3

5.9/1.9

4.6/2.7

3.5/3.5

Max. PDL (Tap/Through Port)

dB

0.1

Thermal Stability

dB/

≤ 0.002 over -5 to +70

Min. Return Loss

dB

50

Directivity              1 × 2

dB

55

                               2 × 2

dB

60

Max. Optical Power (Continuous Wave)

mW

300

Fiber Type

SMF-28 fiber

Operating Temperature

-5 to +70

Storage Temperature

-40 to +85


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