Four-Channel Multimode Optically Controlled Optical Attenuators Can Be Cascaded
The four-channel multi-mode optical attenuator integrates four independent optical attenuator channels into one, each channel can accurately control the optical signal strength. This design not only greatly saves equipment space, but also significantly improves test data throughput and test rate, meeting the test requirements of complex optical fiber communication systems. At the same time, it supports multi-mode fiber and is suitable for a variety of fiber types, such as 62.5/125um and 50/125um, with higher flexibility and applicability.
The four-channel multi-mode optical attenuator integrates four independent optical attenuator channels into one, each channel can accurately control the optical signal strength. This design not only greatly saves equipment space, but also significantly improves test data throughput and test rate, meeting the test requirements of complex optical fiber communication systems. At the same time, it supports multi-mode fiber and is suitable for a variety of fiber types, such as 62.5/125um and 50/125um, with higher flexibility and applicability.
Specification
| Models | U8744/U8748(multimode) |
| Attenuation range | 0 ~ 35 dB |
| Calibration wavelength/operating wavelength range (up to 12 wavelength combinations can be selected) | 850/908 nm |
| Insertion loss | ≤ 1.8 dB |
| Fiber type | 50/125um, 62.5/125um self-adaptation |
| Connector type | FC/UPC Connector |
| Attenuation accuracy | ≤±0.20dB (0 ~ 20 dB) |
| Repeatability | ≤±0.05 dB |
| Average power setting time | 2 ~1000 ms |
| Power control follow-up stability time | 200ms |
| Attenuation control speed | 0.1~ 35 dB/s |
| Return loss | ＞25 dB |
| Maximum input power | +17dBm |
| Calibration cycle | 2 years |
| Operating temperature | 0 ~ +40℃ |
| Storage temperature | -30 ~ +80℃ |
| Power supply | 100~240 V |
| Product size | 245mm W, 105mm H, 320mm D |
Application field
Optical fiber communication system test: In the construction process of optical fiber communication system, four-channel multi-mode opto-controlled optical attenuators can be used to test the attenuation characteristics of different optical fiber transmission paths to ensure the stability and reliability of system performance. By precisely adjusting the attenuation of optical signal in each channel, the optical signal transmission under different transmission conditions can be simulated, which provides strong support for system optimization.
Optical fiber device development: In the development process of optical fiber devices, four-channel multi-mode optical attenuator is an important test tool, which can be used to evaluate the attenuation performance of the device, transmission efficiency and other key indicators. Its multi-channel design allows researchers to test multiple devices simultaneously, greatly improving research and development efficiency.
Optical communication teaching experiment: In the optical communication teaching experiment, the four-channel multi-mode opto-controlled optical attenuator provides a platform for students to deeply understand the principle and technology of optical communication. Through practical operation and experimental verification, students can more intuitively understand the attenuation mechanism of optical signals, regulation principles, and the composition and working mode of optical fiber communication systems.
Applications in other fields: In addition to the above fields, the four-channel multi-mode optical-controlled optical attenuator can also be used in wireless communication, test and measurement and other fields. Its precise control ability and wide range of applications make it play an important role in different fields of application.
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