Dual Window Wavelength Flattened Coupler
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 1310nm and 1550nm windows.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Max. Insertion Loss [Coupling Ratio: 01/99 %] | 22/0.9 dB |
| Max. Insertion Loss [Coupling Ratio: 02/98 %] | 19/0.25 dB |
| Max. Insertion Loss [Coupling Ratio: 03/97 %] | 17.5/0.3 dB |
| Max. Insertion Loss [Coupling Ratio: 05/95 %] | 14.5/0.4 dB |
| Max. Insertion Loss [Coupling Ratio: 10/90 %] | 11/0.75 dB |
| Max. Insertion Loss [Coupling Ratio: 20/80 %] | 7.8/1.3 dB |
| Max. Insertion Loss [Coupling Ratio: 30/70 %] | 5.9/1.9 dB |
| Max. Insertion Loss [Coupling Ratio: 40/60 %] | 4.6/2.7 dB |
| Max. Insertion Loss [Coupling Ratio: 50/50 %] | 3.5/3.5 dB |
| Coupling Ratio | 01/99；02/98；03/97；05/95；10/90；20/80；30/70；40/60；50/50 |
| Center Wavelength (λc) [or Specify] | 1310 & 1550 or Specify |
| Operating Wavelength | λc ± 40 |
| Max. PDL (Tap/Through Port) | 0.15 dB |
| Thermal Stability [over -5 ℃ to +70 ℃] | ≤ 0.002 over -5 ℃ to +70 ℃ |
| Min. Return Loss | 50 dB |
| Directivity [1 × 2] | 55 dB |
| Directivity [2 × 2] | 60 dB |
| Max. Optical Power (Continuous Wave) | 300 mW |
| Fiber Type | SMF-28 Fiber |
| Operating Temperature | -5 to +70 ℃ |
| Storage Temperature | -40 to +85 ℃ |
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