Description
The Coarse Wavelength Division Multiplexer (CWDM) series by GKER Photonics Co., Ltd is engineered to meet Telcordia standards, incorporating advanced thin film filter technology and state-of-the-art packaging techniques. These multiplexers are designed for efficient signal routing with minimal loss, making them essential for modern communication systems.
With a wide operational wavelength range of 1260 nm to 1620 nm, the GK-CWDM series offers both half-band and full-band filter options. The devices provide exceptionally low insertion loss and high channel isolation, ensuring high performance and reliability in Dense Wavelength Division Multiplexing (DWDM) systems. Their robust environmental stability makes them suitable for a variety of applications, including single-channel add/drop functions and multi-channel configurations.
The CWDM series is ideal for use in high-speed data networks, fiber-optic communications, and other advanced optical systems.
Coarse Wavelength Division Multiplexers
Specifications
| Operating Wavelength: | 1460 nm |
|---|---|
| Operating Bandwidth: | 13 nm |
| Isolation (min): | 25 dB |
| Max Power Handling: | 300 W |
| Polarization Maintaining: | No |
| Filter Type: | Half Band Full Band - |
| Operating Wavelength Range: | 1460 - 1620 1260 - 1620 nm |
| Center Wavelength: | 1471,1491,1511,1531,1551,1571,1591,1611 nm |
| Min. 0.5 DB Pass Bandwidth: | 13 nm |
| Max. Transmission Insertion Loss: | 0.6 dB |
| Max. Reflection Insertion Loss: | 0.5 dB |
| Min. Adjacent Ch. Isolation: | 25 dB |
| Min. Return Loss: | 50 dB |
| Max. Polarization Dependent Loss: | 0.1 dB |
| Thermal Stability: | 0.005 dB/℃ |
| Max. Optical Power (Continuous Wave): | 300 mW |
| Fiber Type: | SMF-28 - |
| Operating Temperature: | - 5 to + 70 ℃ |
| Storage Temperature: | - 40 to + 85 ℃ |
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Features
- High Channel Isolation: Minimizes signal interference with a minimum adjacent channel isolation of 25 dB
- Low Insertion Loss: Achieves minimal signal loss with a maximum insertion loss of 0.6 dB
- Wide Wavelength Range: Covers a broad wavelength range from 1260 nm to 1620 nm
- Environmental Stability: Operates reliably across a wide temperature range from -5°C to +70°C
- High Power Handling: Capable of managing up to 300 mW of continuous optical power
Applications
- CWDM Systems: Efficiently performs single-channel add/drop functions in CWDM systems.
- Telecommunications: Enhances signal routing in high-speed data and fiber-optic communication networks
Frequently Asked Questions
What is the wavelength range of the GK-CWDM Series?
The GK-CWDM Series operates within the wavelength range of 1260 nm to 1620 nm. This includes specific center wavelengths such as 1471 nm, 1491 nm, 1511 nm, 1531 nm, 1551 nm, 1571 nm, 1591 nm, and 1611 nm.
What is the maximum insertion loss for these multiplexers?
The maximum insertion loss for the GK-CWDM Series is 0.6 dB. This value indicates the highest amount of signal loss expected when the signal passes through the multiplexer.
What is the minimum adjacent channel isolation provided?
The minimum adjacent channel isolation provided by these multiplexers is 25 dB. This metric measures how well the multiplexer prevents signal interference between adjacent channels.
What is the maximum return loss of the GK-CWDM Series?
The maximum return loss is 50 dB. This value indicates the effectiveness of the multiplexer in reflecting back unwanted signals.
What is the operating temperature range for these devices?
The GK-CWDM Series is designed to operate within a temperature range of -5°C to +70°C. This ensures reliable performance across various environmental conditions.
What is the maximum optical power the GK-CWDM Series can handle?
The multiplexers can handle a maximum optical power of 300 mW (continuous wave). This capacity allows the device to manage high-power signals without degradation.
What types of filters are available in the GK-CWDM Series?
The series offers both Half Band and Full Band filters. Half Band filters have a narrower passband, while Full Band filters cover a broader range of wavelengths.
What fiber types are compatible with these multiplexers?
The GK-CWDM Series is compatible with SMF-28 fiber. This type of fiber is commonly used for single-mode applications in telecommunications.
What is the thermal stability of the GK-CWDM Series?
The thermal stability of the multiplexers is rated at 0.005 dB/°C. This low thermal sensitivity ensures stable performance despite temperature fluctuations.
What are the dimensions of the package?
The package dimensions are: Reflect - 35 ± 1 mm, Pass - 55 ± 1 mm, with an outer diameter of Φ5.5 ± 0.1 mm. These dimensions are standard for maintaining consistent performance and ease of integration.
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