Broadband Coupler
The Singlemode Broadband Coupler offers 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.
Parameter | Unit | Value | ||||||
Center Wavelength (λc) | nm | 1310 or 1550 or Specify | ||||||
Operating Wavelength | nm | λc ± 40 | ||||||
Coupling Ratio | % | 01/99 | 02/98 | 09/97 | 05/95 | 10/90 | ||
Max. Insertion Loss | dB | 21.5/0.2 | 18.5/0.25 | 17.5/0.3 | 14.6/0.4 | 10.8/0.65 | ||
Coupling Ratio | % | 20/80 | 30/70 | 40/60 | 50/50 | |||
Max. Insertion Loss | dB | 7.5/1.2 | 5.6/1.8 | 4.4/2.5 | 3.4/3.4 | |||
Max. PDL (Tap/Through Port) | dB | 0.10 | ||||||
Thermal Stability | dB/℃ | ≤ 0.002 over -5 °C to +70 °C | ||||||
Min. Return Loss | dB | 50 | ||||||
Min. Directivity | dB | - | ||||||
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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