Product Description:
The Variable Optical Attenuator combines precision, flexibility, and robustness in a compact and efficient design. Its broad attenuation range, low insertion loss, high accuracy, and capacity to handle significant input power make it an essential tool for optimizing optical signal management. Whether used in laboratory testing, field deployment, or network maintenance, this Variable Optical Attenuator stands out as a reliable solution for controlling optical signal strength with confidence and ease.
For professionals seeking a dependable and versatile Variable Optical Attenuator, this product offers an excellent balance of performance and adaptability. Its calibration wavelength options, low insertion loss, wide attenuation range, precise accuracy, and robust input power handling ensure that it meets the demanding needs of modern fiber optic systems. Investing in this Variable Optical Attenuator means enhancing the efficiency and reliability of optical communication networks, ultimately contributing to superior system performance and longevity.
Technical Parameters:
| Model # |
U8744 / U8748 |
| Attenuator Range |
0~35 dB(40dB Option) |
| Calibration Wavelength (Option) |
850 nm (908/980 nm Optional) |
| Insertion Loss |
≤ 1.8 dB Type 1.5dB |
| Fiber Type |
50 / 125um, 62.5/125um MMF Adaptive |
| Connector Type |
FC/UPC Connector (FC/APC Optional) |
| Attenuation Accuracy |
± 0.15 dB (0 ~ 30 dB), ± 0.2 dB (30 ~ 35 dB) |
| Repeatability |
±0.05 dB |
| Averaging time of monitor PM |
2~1000 ms |
| Settling Time |
200ms |
| Attenuation Transition Speed |
0.1 ~ 33 dB/s |
| Return Loss |
> 25 dB |
| Communication Interface |
RS232, USB, RJ45 Control by PC |
| Maximum safe input power |
+17dBm (In the power monitoring state) |
| Recalibration Period |
2 years |
| Operation Temperature |
0～ +40℃ |
| Storage Temperature |
-30～+80℃ |
| Power |
100~240 V |
| Dimensions |
245mm W, 105mm H, 320 mm D |
| Weight |
5 kg |
Applications:
The YOUCii Variable Optical Attenuator, model U8748, is a high-precision optical component designed to provide adjustable attenuation for fiber optic networks. Manufactured in China, this product is compatible with multimode fibers, specifically 50/125um and 62.5/125um MMF types, making it versatile for various fiber optic applications. With a return loss greater than 25 dB and an insertion loss of ≤ 1.8 dB (Type 1.5 dB), the U8748 guarantees minimal signal degradation, ensuring reliable performance in demanding environments.
One of the primary occasions for using the Variable Optical Attenuator is in optical communication systems where precise signal power control is essential. It is widely applied during the setup and maintenance of fiber optic networks to prevent receiver saturation and to balance signal levels between different channels. The variable attenuation feature allows technicians to fine-tune the optical power dynamically, which is crucial in both laboratory testing and live network adjustments.
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