635/1064 nm Wavelength Division Multiplexers (GK-WDM Series)
description1
Specifications
Parameter |
Unit |
Value |
Longer Operating Wavelength |
nm |
1064 ± 5 |
Max. Insertion Loss |
dB |
0.2 |
Max. Polarization Dependent Loss |
dB |
0.1 |
Min. Isolation |
dB |
20 |
Shorter Operating Wavelength |
nm |
635 ± 5 |
Max. Insertion Loss |
dB |
1.0 |
Min. Isolation |
dB |
10 |
Thermal Stability |
dB/℃ |
≤ 0.002 |
Min. Return Loss |
dB |
55 |
Min. Directivity |
dB |
55 |
Max. Optical Power (Continuous Wave) |
W |
5 |
Operating Temperature |
℃ |
-40 to +75 |
Storage Temperature |
℃ |
-40 to +85 |
Test at central wavelength only. | ||
Package Dimensions
product description
Wavelength Division Multiplexers (WDMs) are critical components in optical communication and sensing systems, allowing multiple signals at different wavelengths to be combined or separated on a single optical fiber. Here's a recap of their key features and their significance:
Combination and Separation of Wavelengths: WDMs enable the multiplexing of multiple wavelength signals onto a single fiber for transmission and the demultiplexing of these signals at the receiver end. This feature is essential for increasing the bandwidth and capacity of optical communication networks.
Very Low Insertion Loss: WDMs are designed to minimize the loss of signal power as the light passes through the device. Low insertion loss is vital for maintaining signal strength, especially in long-distance fiber optic communication systems or when multiple WDMs are used in series.
Low Polarization Dependence: The performance of the WDM is not significantly affected by the polarization state of the input light. This characteristic ensures consistent performance across different types of optical signals and for maintaining signal integrity.
High Isolation: WDMs provide high isolation between different wavelength channels, which means that signals in one channel do not interfere with those in another channel. This reduces crosstalk and ensures that each signal remains distinct and clear.
Excellent Environmental Stability: These devices are built to maintain their performance under varying environmental conditions, such as temperature fluctuations. This stability is crucial for reliable operation in diverse settings, including outdoor or uncontrolled environments.


