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C&L (C/L) Band 1X2 and 2X2 Fiber Optic Couplers & Optical Splitters
Gould's C&L (C/L) Band fiber optic couplers & Optical Splitters are ideal for DWDM (Dense Wavelength Division Multiplexing) systems and OTDR (optical time-domain reflectometer) applications, providing excellent performance for applications that operate in the C&L Band from 1530nm to 1625nm. These couplers & Splitters exhibit low optical insertion loss, and low sensitivity to polarization and wavelength. C&L Band couplers are available in a variety of splitting ratios from 50/50 to 99/1 tap versions.
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Features
- Low Optical Loss
- Excellent Uniformity
- Low Polarization Dependent Loss
- Low Wavelength Dependent Loss
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Applications
- DWDM Systems
- OTDR Applications
- Fixed Attenuation
- Test & Measurement
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| Specifications Based on 50/50 Coupling Ratio |
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Series 1 |
Series 2 |
| Wavelength (nm)1 |
1530 - 1625 |
| Insertion Loss (dB) |
≤ 3.6 |
≤ 3.9 |
| Uniformity (dB) |
≤ 0.8 |
≤ 1.2 |
| Typical Polarization Stability (dB) |
≤ +0.1 |
≤ +0.1 |
| Typical Directivity (dB) |
2x2 |
≥ 65 |
| 1x2 |
≥ 50 |
| 1x2 w/LRTTM |
≥60 |
| 1. Capabilities exist to manufacture broadband couplers in the 1650 - 2000nm & 405-630nm band pass. Please call sales for specifications. |
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| Coupling Ratio/Insertion Loss Chart |
| Desired Split Ratio |
Insertion Loss (dB) |
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Series 1 |
Series 2 |
| 50/50 |
3.6 |
3.9 |
| 40/60 |
4.7/2.7 |
5.0/2.9 |
| 30/70 |
6.0/2.1 |
6.4/2.1 |
| 20/80 |
7.9/1.4 |
8.5/1.4 |
| 10/90 |
11.3/0.9 |
12.7/0.8 |
| 5/95 |
15.1/0.5 |
18.9/0.7 |
| 1/99 |
23.0/0.4 |
23.0/0.6 |
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Ordering Information
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