Multimodedigital Variable Optical Attenuator Attenuator Range Of 0~40 DB
The U8320 benchtop dimmable optical attenuator is mainly used for channel balancing and power balancing in DWDM systems, as well as optical measurement and applications of AWG & PLC components, optical amplifiers and other general purpose fibers. The U8320 benchtop optical attenuator is a high precision and wide range optical power attenuator. Euwest Instruments offers a choice of single - and two-channel or four-channel optical attenuators, as well as up to 32 - channel host control solutions.Both the optical output and optical input interfaces (U8320) are FC/PC ports.
U8320 Multimodedigital Variable Optical Attenuator specification
| Model | U8320 |
| Attenuator Range | 0~40 dB |
| Wavelength Range | 850 nm |
| Insertion Loss | ≤ 1.5 dB |
| Fiber type | MMF 50/62.5 self-adaptation |
| Connector Type | FC/PC Connector |
| Attenuator Accuracy | ≤ ± 0.2 dB |
| Repeatability | ≤±0.05 dB |
| Attenuation Transition Speed | 0.1 ~ 35 dB/s |
| Polarization Depend Loss | ≤0.25 dB (0 ~ 40 dB). |
| Return Loss | ＞ 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 |
Both single-mode and multi-mode can be assembled as four-channel, model: U8314 / U8324, with the same performance index as single-channel.
The user asked the following questions:
1.What does an attenuator do for fiber?
Attenuators are used to temporarily add a calibrated amount of signal loss in order to test the power level margins in a fiber optic communication system. In the second case, attenuators are permanently installed in a fiber optic communication link to properly match transmitter and receiver optical signal levels
2.What are the types of variable optical attenuators?
Basically, there are two types of optical variable attenuators: stepwise variable attenuators and continuously variable attenuators.
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