Durable PM Tap+WDM Hybrid Device for Enhanced Stability in CATV Systems
The PM Tap+WDM 2-in-1 Hybrid Device combines two functionalities into one compact module: polarization maintaining (PM) tapping and wavelength division multiplexing (WDM). Here's a breakdown of its components and functions:
1. **Polarization Maintaining (PM) Tap**: This feature ensures that the optical signal's polarization state is preserved while allowing a portion of the signal to be tapped off for monitoring or measurement purposes. This is crucial for systems where polarization stability is important.
2. **Wavelength Division Multiplexing (WDM)**: WDM is a technology used to combine multiple optical signals at different wavelengths onto a single optical fiber. This allows for increased data capacity and efficient use of the fiber.
| Parameter |
Unit |
Spec |
| Type |
nm |
0698 |
5598 |
5506 |
5548 |
2055 |
| Transmission Wavelength |
nm |
1020~ 1080 |
1520~ 1580 |
1520~ 1580 |
1535~ 1565 |
1950~2050 |
| Reflection Wavelength |
nm |
960~990 |
960~990 |
1020~ 1080 |
1480±10 |
1570±10 |
| Max. additional loss |
dB |
2.2 |
1.0 |
1.0 |
1.0 |
1.0 |
| Signal Splitting ratio |
dB |
1±0.2%,5±1%,50±2% |
| Min. Transmission Isolation @Reflection |
dB |
25 |
30 |
25 |
25 |
25 |
| Min. Reflection Isolation @Transmission |
dB |
15 |
15 |
15 |
15 |
12 |
| Max. Channel Flatness |
dB |
0.4 |
| Min. Extinction Ratio@23ºC |
dB |
20 |
| Max. Wavelength Thermal Stability |
nm/ºC |
0.003 |
| Max.Insertion Loss Thermal Stability |
dB/ºC |
0.005 |
| Min. Return Loss |
dB |
50 |
| Max. Optical Power(CW) |
mW |
500 |
| Max.Tensile Load |
N |
5 |
| Operating temperature |
ºC |
0~+70 |
| Storage temperature |
ºC |
-40 ~ + 85 |
Note:For device with connector,IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. The default connector key is aligned to slow axis.
# Key Features:
- **Low Insertion Loss**: Minimal loss of signal power as the signal passes through the device, which helps in maintaining signal integrity.
- **High Return Loss**: Effective reflection of backscattered light away from the source, which reduces interference and signal degradation.
- **High Stability and Reliability**: Ensures consistent performance and durability over time, making it suitable for demanding network environments.
# Applications:
- **CATV Systems**: Used in cable television systems to manage and distribute optical signals.
- **CWDM/DWDM Modules**: Works with coarse and dense wavelength division multiplexing systems to combine or separate multiple wavelengths.
- **EPON/GPON Networks**: Utilized in Ethernet Passive Optical Networks (EPON) and Gigabit Passive Optical Networks (GPON) for efficient data transmission.
Overall, the PM Tap+WDM 2-in-1 Hybrid Device is designed to optimize optical network performance by combining tapping and multiplexing functions in a single device, ensuring minimal signal loss and high system efficiency
Shenzhen Kerns Tech Co., Ltd. is a Hi-Tech enterprise having its own brand and specializing in R&D, manufacture and sales of fiber optical communications equipment.
The main products of Kerns Tech include optical combiner, isolator, circulator, optical devices, fiber optic patch cord, connector, adapter, optical coupler, attenuator, optic media converter, optic splice closure, optic terminal box, ODF etc, which are widely used in laser equipment, fiber optic equipment, laboratory research, instruments, telecommunications, broadband, broadcast, CATV and network industry.
All the products acquired the approval of the Network Access License for Telecommunication Equipment Ministry of Information Industry, PRC, ISO9001, UL and CE standard, which ensure the reliability and make them sold very well not only in the domestic market but also the overseas market.
Q1: What is the warranty?
A1: Our products typically come with a one-year warranty. During the warranty period, if the product fails due to manufacturing defects or material issues, we will provide repair or replacement services free of charge. The warranty does not cover damage caused by misuse, mishandling, or failure to follow the operating instructions.
Q2: What is the packaging?
A2: Our products are packaged with professional shockproof and protective materials to ensure they are not damaged during transportation. Typically, the packaging includes anti-static bags, foam padding, and sturdy cardboard boxes for multiple layers of protection. For special products, we can also provide customized packaging according to customer requirements.
Q3: How do I know if this product is exactly what I need?
A3: Before purchasing, you can determine if the product meets your needs through the following ways:
- Product Manual: Carefully read the product manual and technical specifications.
- Technical Support Consultation: Contact our technical support team with your specific application requirements, and we will recommend suitable products for you.
- Sample Testing: For bulk purchases, we can provide samples for you to test and evaluate.
- Customer Reviews: Check other customers' reviews and feedback.
Q4: How do you maintain quality?
A4: We ensure product quality through the following methods:
- Strict Raw Material Selection: Only select high-quality raw material suppliers.
- Advanced Production Equipment: Use modern, precise production equipment and technology.
- Quality Control System: Establish a comprehensive quality control system, with strict quality inspections at each stage from raw material intake to product dispatch.
- Professional Team: Employ experienced engineers and technicians responsible for production and quality management.
- Continuous Improvement: Continuously collect customer feedback to improve product design and manufacturing processes, enhancing product performance and reliability.
Audited Supplier 
){kind=link}