Singlemode Wavelength Division Multiplexer (1310/1550, 1480/1550) (GK-WDM Series)
description1
Specifications
Parameter |
Unit |
Value |
Center Wavelength (λc) |
nm |
1310/1550 1480/1550 |
Operation Wavelength |
nm |
λc ± 15 λc ± 5 |
Min. Isolation |
dB |
17 13 |
Max. Insertion Loss |
dB |
0.20 0.35 |
Max. Polarization Dependent Loss |
dB |
0.1 0.2 |
Thermal Stability |
dB/℃ |
≤ 0.002 over -5 °C to +70 °C |
Min. Return Loss |
dB |
60 |
Directivity |
dB |
60 |
Max. Optical Power (Continuous Wave) |
mW |
300 |
Fiber Type |
- |
SMF-28 Fiber |
Package Dimensions |
mm |
250 µm Bare Fiber, Φ3.0 × 40 mm for 1310/1550 |
Operating Temperature |
℃ |
- 5 to + 70 |
Storage Temperature |
℃ |
- 40 to + 85 |
IL is 0.3 dB higher, RL is 5 dB lower for each connector added. | ||
Package Dimensions
product description
Singlemode Wavelength Division Multiplexers (WDMs) are critical components in the field of fiber optics, enabling the efficient use of bandwidth by allowing multiple signals at different wavelengths to be transmitted over a single fiber. Here's a recap of their key attributes and applications:
Combination and Separation of Wavelengths: WDMs have the ability to combine multiple wavelength signals onto a single fiber for transmission and to separate these signals at the receiving end. This functionality is essential for increasing the capacity of fiber optic networks.
Very Low Insertion Loss: They are designed to minimize the loss of signal power as it passes through the device. Low insertion loss is vital for ensuring that the signal remains strong over long distances without significant degradation.
Low Polarization Dependence: WDMs with low polarization dependence ensure that their performance is not significantly affected by the polarization state of the input light. This feature is important for maintaining consistent performance across different types of optical signals.
High Isolation: High isolation between wavelength channels means that there is minimal crosstalk between different signals, ensuring that each signal remains distinct and interference-free.
Excellent Environmental Stability: These devices are built to perform reliably under various environmental conditions, such as temperature changes. This stability is crucial for maintaining performance in different climates and for outdoor applications.