其它产品
FT PM Fused Coupler
Description
FT PM Fused Coupler
Key Features
●Special Wavelengths WDM also available
Applications
●Power monitoring
●Coherent communication
●Fiber gyroscope
●Fiber laser
●Fiber amplifier
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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 over -5 °C to +75 °C |
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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 |
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PM fiber |
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Fiber Type for Tap Port |
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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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Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
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