1310nm Singlemode Broadband Coupler

Specifications 

Parameter 

Unit 

Value 

Center Wavelength (λc) 

nm

850

1064

1310

Operating Wavelength Range

nm

 ± 100

Coupling Ratio

%

2/98, 5/95, 10/90, 50/50, or Specified

Coupling Ratio Tolerance (e.g. 50/50)

%

6

5

5

Max. uniformity 50/50 ratio

dB

1

0.5

0.5

Excess Loss

dB

0.25

0.15

0.15

Thermal Stability

dB/℃

≤0.002 over -5 °C to +70 °C

Min. Return Loss

W

55

Min. Directivity    

  1 × 2

2 × 2

dB

55

dB

60

Max. Optical Power (Continuous Wave)

mW

300

Fiber Type

HI780C

HI1060Flex

SMF-28 fiber

Operating Temperature

℃

-5 to +70

Storage Temperature

℃

-40 to +85