Standard Coupler
The SMC Singlemode Standard 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.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center Wavelength (λc) | 1310 or 1550 or Specify |
| Operation Wavelength | λc ± 20 |
| Coupling Ratio | 01/99 % |
| Coupling Ratio | 02/98 % |
| Coupling Ratio | 03/97 % |
| Coupling Ratio | 05/95 % |
| Coupling Ratio | 10/90 % |
| Coupling Ratio | 15/85 % |
| Max. Insertion Loss [Max.; Coupling Ratio: 01/99; IL is 0.3 dB higher; for each connector added] | 21.4/0.2 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 02/98; IL is 0.3 dB higher; for each connector added] | 18.5/0.25 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 03/97; IL is 0.3 dB higher; for each connector added] | 17.4/0.3 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 05/95; IL is 0.3 dB higher; for each connector added] | 14.5/0.4 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 10/90; IL is 0.3 dB higher; for each connector added] | 10.8/0.65 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 15/85; IL is 0.3 dB higher; for each connector added] | 8.8/0.95 dB |
| Coupling Ratio | 25/75 % |
| Coupling Ratio | 30/70 % |
| Coupling Ratio | 35/65 % |
| Coupling Ratio | 40/60 % |
| Coupling Ratio | 45/55 % |
| Coupling Ratio | 50/50 % |
| Max. Insertion Loss [Max.; Coupling Ratio: 25/75; IL is 0.3 dB higher; for each connector added] | 6.5/1.55 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 30/70; IL is 0.3 dB higher; for each connector added] | 5.6/1.8 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 35/65; IL is 0.3 dB higher; for each connector added] | 5/2.25 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 40/60; IL is 0.3 dB higher; for each connector added] | 4.4/2.5 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 45/55; IL is 0.3 dB higher; for each connector added] | 3.85/2.98 dB |
| Max. Insertion Loss [Max.; Coupling Ratio: 50/50; IL is 0.3 dB higher; for each connector added] | 3.4 dB |
| Max. PDL (Tap/Through Port) [Max.; (Tap/Through Port)] | 0.10 dB |
| Max. Excess Loss | 0.10 dB |
| Thermal Stability [over -5 ℃ to +70 ℃] | ≤ 0.002 over -5 ℃ to +70 ℃ |
| Min. Return Loss [Min.; RL is 5 dB lower; for each connector added] | 50 dB |
| Directivity [1 × 2] | 55 dB |
| Directivity [2 × 2] | 60 dB |
| Max. Optical Power (CW) [Max.; (CW)] | 300 mW |
| Fiber Type | SMF-28 Fiber |
| Operating Temperature | -5 to+70 ℃ |
| Storage Temperature | -40 to +85 ℃ |
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