1310-1550nm Multimode Fiber Filter Coupler (GK-MMFC Series)
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Specifications
Parameter |
Unit |
Value |
Center Wavelength |
nm |
1310, 1550 |
Operating Wavelength Range |
nm |
± 40 |
Configuration |
- |
1 x 2 2 x 2 |
Max. Excess Loss |
dB |
0.7 1.0 |
Max. Uniformity |
dB |
0.6 0.8 |
Tap Ratio |
% |
5 ± 1.0, 50, or specifiied |
Min. Return Loss |
dB |
35 |
Max. Optical Power (Continuous Wave) |
mW |
300 |
Fiber Type |
- |
Multimode Fiber,62.5/125,50/125,105/125 µm |
Max. Tensile Load |
N |
5 |
Operating Temperature |
℃ |
- 5 to + 70 |
Storage Temperature |
℃ |
- 40 to + 85 |
¹IL is 0.3 dB higher for each connector added. ²Above specifications are measured at low order modes. |
Package Dimensions

product description
GKER Photonics Multimode Fiber Filter Coupler (GK-MMFC Series) is a premium optical component meticulously designed for advanced multimode fiber communication systems. Engineered with precision, this coupler ensures exceptionally low excess loss, thereby preserving the integrity of the optical signal. Its broad operating wavelength range covers key communication bands, making it versatile for various applications, including local area networks (LAN), fiber sensors, and testing instruments.
The GK-MMFC Series is built to deliver high reliability and stability under varying environmental conditions, ensuring consistent performance over time. Available in both 1x2 and 2x2 configurations, this coupler supports various tap ratios, offering flexibility in power distribution. Whether you need to split or combine signals with minimal loss, this coupler is designed to meet the rigorous demands of modern optical networks.
With a robust design that includes a wide operating temperature range from -5°C to +70°C and a storage temperature range of -40°C to +85°C, the GK-MMFC Series is suitable for deployment in diverse settings. Additionally, it supports multiple fiber types, including 62.5/125, 50/125, and 105/125 µm multimode fibers, making it adaptable to different network requirements. The coupler's construction is also optimized for minimal uniformity loss, particularly at a 50% tap ratio, ensuring reliable performance across all channels.
Ideal for both new installations and upgrades to existing systems, the GKER Photonics Multimode Fiber Filter Coupler offers a dependable solution for enhancing the efficiency and performance of your multimode fiber networks.