1064 nm Singlemode Coupler (FUD-3584) (GK-SMC Series)
description1
Specifications
Parameter |
Unit |
Value |
Center Wavelength (λc) |
nm |
1064 |
Operating Wavelength |
nm |
λc ± 10 |
Coupling Ratio |
% |
01/99 02/98, 05/95, 10/90 |
Max. Insertion Loss |
dB |
22/0.3 18.5/0.35 14.5/0.5 11.5/0.75 |
Coupling Ratio |
% |
20/80 30/70 40/60 50/50 |
Max. Insertion Loss |
dB |
8.0/1.5 6.0/2.0 4.8/2.8 3.6/3.6 |
Max. PDL |
dB |
0.2 |
Max. Excess Loss |
dB |
0.3 |
Thermal Stability |
dB/℃ |
≤ 0.005 |
Min. Return Loss |
dB |
50 |
Min. Directivity |
dB |
50 |
Max. Average Optical Power |
W |
10 |
Max. Peak Power for ns Pulse |
kW |
10 |
Fiber Type |
- |
Nufern, FUD-3584, LMA-GSF,10/125, 0.075 |
Operating Temperature |
℃ |
- 5 to + 70 |
Storage Temperature |
℃ |
- 40 to + 85 |
¹IL is 0.5 dB higher, RL is 5 dB lower for each connector added. |
Package Dimensions

product description
The GKER Photonics 1064 nm Singlemode Coupler (FUD-3584) from the GK-SMC Series is engineered for high-precision optical power splitting and signal monitoring in advanced optical communication systems. This coupler offers exceptional performance with very low insertion loss and minimal polarization-dependent loss (PDL), making it ideal for applications where signal integrity is paramount.
The device supports a broad range of coupling ratios from 50/50 to 1/99, ensuring versatility for various optical network configurations. Its robust construction guarantees excellent thermal stability, maintaining consistent performance even in challenging environmental conditions. With high return loss and directivity, the GKER Photonics Singlemode Coupler effectively minimizes signal reflections and crosstalk, enhancing the overall efficiency of the optical system.
This coupler is particularly suited for high-power laser systems, fiber optic sensing applications, and telecommunications networks where precise signal management is crucial. It can handle peak power levels up to 10 kW for nanosecond pulses, making it an excellent choice for both commercial and research-based applications.