DGD-1000产品
DGD-1000.

First Order PMD Source/Emulator

DGD-1000是第一阶偏振模式色散（PMD）源，其产生高达400ps的精确量的差分组延迟（DGD），没有二阶PMD。

DGD-1000数据表
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Product Description

偏振模色散(PMD)会严重degrade the quality of high-speed fiber-optic data transmission. High-speed transceivers must meet stringent standards for PMD tolerance. The DGD-1000 accurately and repeatably generates both high and low values of differential group delay (DGD) or first-order PMD. Both the DGD and PDL are very stable over time and wavelength within the performance band. The instrument is available in different versions to accommodate the need for different wavelengths and DGD ranges.

  • 主要特征
    • 大型DGD范围（高达400 PS）
    • Accurate at both low and high DGD values
    • 输出DGD和和偏振状态（SOP）随时间稳定
    • Output DGD is wavelength insensitive over the specified band
    • 在输出DGD范围内非常低的IL和PDL变异性
  • 规格
    波长范围选项

    单带：C，L或O带

    双频段：CL
    DGD range 0-200 or 0-400 ps
    DGD resolution 0.2 ps
    DGD精度1 ±（0.2 + 2％的DGD）PS
    DGD重复性1 ±（0.2 + 2％的DGD）PS
    DGD变化率 Up to 64 ps/s
    插入损耗（IL） <3.5 dB
    PDL. <0.3 dB

    有关完整规格，请下载数据表。

  • 文件

解决方案and Applications

收发器

The DGD-1000 is designed to generate accurate values of DGD over a large range for PMD tolerance testing of coherent detection systems.

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