The 488 - 2100 nm Polarization Maintaining Fused Coupler features low excess loss, and high power handling.
Product Detail
● Wavelength 488-2100 nm available
● Coupling ratio from 0.01/99.99 to 50/50 available
● Operating on both fast and slow axes
● Low excess loss
● High power handling
● High stability and reliability
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Specifications |
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Parameter |
Unit |
Value |
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Center Wavelength (λc) |
nm |
488, 532, 635 |
780, 830 |
980, 1064 |
1310, 1480, 1550 |
1700, 2000 |
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Operating Wavelength |
nm |
λc ± 5 |
λc ± 10 |
λc ± 10 |
λc ± 20 |
λc ± 20 |
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Typ. Excess Loss |
dB |
0.8 |
0.5 |
0.4 |
0.2 |
0.5 |
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Max. Excess Loss |
dB |
1.2 |
0.8 |
0.6 |
0.4 |
0.8 |
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Min. ER* |
dB |
18 |
18 |
20 |
20 |
20 |
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Max. Excess Loss for each connector |
dB |
1.5 |
0.7 |
0.5 |
0.3 |
0.3 |
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Max. Optical Power (Continuous Wave) |
W |
2 |
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Thermal Stability |
dB/℃ |
≤ 0.005 |
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Min. Return Loss |
dB |
50 |
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Min. Directivity |
dB |
50 |
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Fiber Type for Signal Port |
- |
PM fiber |
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Fiber Type for Tap Port |
- |
PM fiber or Singlemode fiber |
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Operating Temperature |
℃ |
- 5 to + 75 |
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Storage Temperature |
℃ |
- 40 to + 85 |
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Coupling Ratio & Its Tolerance |
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Coupling Ratio |
% |
1/99 |
2/98 |
5/95 |
10/90 |
20/80 |
30/70 |
40/60 |
50/50 |
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Max. Coupling Ratio Tolerance, λc |
% |
± 0.3 |
± 0.5 |
± 0.7 |
± 1.0 |
± 2.0 |
± 2.0 |
± 2.5 |
± 3.0 |
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Coupling Ratio |
% | 0.1/99.9 | 0.1/99.9 | 0.1/99.9 | 0.1/99.9 | 0.01/99.99 | 0.01/99.99 | 0.01/99.99 | 0.01/99.99 |
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Tap Ratio Tolerance, λc |
dB | 30 ± 3 | 30 ± 3 | 30 ± 3 | 30 ± 3 | 40 ± 4 | 40 ± 4 | 40 ± 4 | 40 ± 4 |
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