Product Description:
The Variable Optical Attenuator is an essential device designed to precisely control the power levels of optical signals in fiber optic communication systems. With an impressive attenuation range of 0 to 60dB, this Variable Optical Attenuator offers exceptional flexibility for a wide variety of applications, from laboratory testing to field deployment in complex optical networks. Its ability to adjust signal strength accurately helps maintain optimal system performance and prevents signal overload or distortion, ensuring reliable and efficient data transmission.
One of the standout features of this Variable Optical Attenuator is its remarkably low Polarization Dependent Loss (PDL), which is less than or equal to 0.25dB (0 ~ 40 dB)dB. This low PDL value is critical for high-precision optical systems, as it minimizes signal degradation caused by polarization changes within the optical fiber. By maintaining signal integrity regardless of polarization state, this Variable Optical Attenuator enhances overall system stability and performance, making it suitable for use in advanced communication networks and sensitive measurement setups.
Another significant attribute of this Variable Optical Attenuator is its excellent return loss range, spanning from 0 to 60dB. High return loss is essential for reducing reflections within the optical path, which can cause interference and signal degradation in fiber optic systems. By offering a broad return loss range, this device ensures that back reflections are minimized, thereby improving signal quality and reducing errors in data transmission. This feature makes the Variable Optical Attenuator highly reliable for use in both short-range and long-haul communication systems.
Technical Parameters:
| Model # |
U8310-40 |
U8310-60 |
U8320 |
| Attenuator Range |
0 ~ 40 dB |
0~60 dB |
0~40 dB |
| Wavelength Range |
1310 / 1490 /1550 /1610 nm |
850 nm |
| Insertion Loss |
≤ 1.2 dB |
≤ 1.8 dB |
≤ 1.5 dB |
| Fiber type |
Standard SMF |
MMF 50/62.5 adaptive |
| Connector Type |
FC/PC Connector |
| Attenuator Accuracy |
≤ ± 0.1 dB typ. (0 ~ 40 dB) |
≤ ± 0.2 dB |
| Repeatability |
≤±0.015 dB |
≤±0.05 dB |
| Attenuation Transition Speed |
0.1 ~ 50 dB/s |
0.1 ~ 35 dB/s |
| Polarization Depend Loss |
≤0.25 dB (0 ~ 40 dB). |
| Return Loss |
＞ 40 dB |
＞ 30 dB |
| Recalibration Period |
2 years |
| Operation Temperature |
0～ +40℃ |
| Storage Temperature |
-30～+80℃ |
| Power |
100~240 V |
| Dimensions |
245 mm W, 105 mm H, 320 mm D |
| Weight |
2.0~5.0 kg |
Applications:
In practical application occasions, the Variable Optical Attenuator is indispensable in optical network design and optimization, enabling engineers to simulate real-world signal losses and verify system performance under varying power conditions. It is also essential in optical amplification systems to manage gain flattening and avoid nonlinear effects. Furthermore, this attenuator supports applications in optical signal monitoring, helping to calibrate and troubleshoot fiber optic links effectively. Whether used in research institutions, telecommunication service providers, or manufacturing environments, the YOUCii U8310A Variable Optical Attenuator delivers reliable performance and versatility for a wide range of optical attenuation needs.
