OM4245光学调制分析仪(OMA)是一个45 GHz 1550 nm (C波段和L波段)光纤测试系统，用于复杂调制信号的可视化和测量，为测试相干和直接检测传输系统提供了一个完整的解决方案。OM4245由一个偏振和相位不同的接收器和分析软件组成，能够同时测量对光纤通信非常重要的调制格式，包括偏振多路复用(PM)格式，如QPSK、8QAM、16QAM、PAM4和许多其他格式。OMA软件执行所有校准和处理功能，实现实时爆发模式星座图显示、眼图显示、庞加莱球和位错检测。
关键特性
的灵活性
光学调制分析仪的结构与实时和等时示波器兼容
完整的相干信号分析系统，适用于偏振复用QPSK、偏置QPSK、QAM、差分BPSK/QPSK等调制格式
显示星座图、相位眼图、q因子、q图、谱图、庞加莱球、信号与时间、激光相位特性、误码率，并通过MATLAB接口提供额外的图和分析
用大多数偏振复用信号测量任意阶偏振模色散(PMD)
精确的光接收机
精密相干接收硬件为高精度、高稳定性、偏振多样化、光学场检测提供了最小的温度和时间变化
高线性光检测允许运行在高本振和信号功率水平，以消除电放大
一组集成的ECDL可调谐激光器，用作本振子，另一组用于自检。这两种激光器都具有业界的线宽和调谐范围，适用于波段内的任何波长
光学调制分析仪软件允许>5 MHz瞬时信号激光线宽-兼容标准网络可调谐源，如DBR和DFB激光器
不需要激光相位或频率锁定
智能偏振分离跟随信号偏振
用户定义的可扩展性
用户通过MATLAB 2接口直接访问内部函数
可通过以太网进行远程访问
优越的用户界面结合MATLAB的强大功能，提供了全面的可视化，使用方便
光学调制信号分析仪软件包括OM1106和OM4200系列产品
400G和1Tb/s超通道支持
多载波软件选项允许用户定义超信道设置
超通道配置允许用户定义通道数量、通道频率和通道调制格式
测试自动化在每个通道获得完整的度量
集成的测量结果可以方便地进行通道到通道的比较
The OM4245 Optical Modulation Analyzer (OMA) is a 45 GHz 1550 nm (C- and L- band) fiber-optic test system for visualization and measurement of complex modulated signals, offering a complete solution to testing both coherent and direct-detected transmission systems. The OM4245 consists of a polarization- and phase-diverse receiver and analysis software enabling simultaneous measurement of modulation formats important to advanced fiber communications, including polarization-multiplexed (PM) formats such as QPSK, 8QAM, 16QAM, PAM4, and many others. The OMA software performs all calibration and processing functions to enable real-time burst-mode constellation diagram display, eye-diagram display, Poincaré sphere, and bit-error detection.
Key features
Unparalleled flexibility
Optical modulation analyzer architecture is compatible with both real-time and equivalent-time oscilloscopes 1
Complete coherent signal analysis system for polarization-multiplexed QPSK, offset QPSK, QAM, differential BPSK/QPSK, and other advanced modulation formats
Displays constellation diagrams, phase eye diagrams, Q-factor, Q-plot, spectral plots, Poincaré Sphere, signal vs. time, laser phase characteristics, BER, with additional plots and analyses available through the MATLAB interface
Measures polarization mode dispersion (PMD) of arbitrary order with most polarization multiplexed signals
Precise optical receiver
Precise coherent receiver hardware provides minimal variation over temperature and time for a high degree of accuracy and high-stability, polarization-diverse, optical field detection
Highly linear photo detection allows operation at high local oscillator and signal power levels to eliminate electrical amplification
An integrated pair of ECDL tunable lasers for use as a local oscillator and another for self-test. Both lasers have industry-best linewidth and tuning range for any wavelength within the band
Optical modulation analyzer software tolerates >5 MHz instantaneous signal laser linewidth – compatible with standard network tunable sources such as DBR and DFB lasers
No laser phase or frequency locking required
Smart polarization separation follows signal polarization
User-defined extensibility
User access to internal functions with a direct MATLAB 2 interface
Remote access available through Ethernet
Superior user interface offers comprehensive visualization for ease-of-use combined with the power of MATLAB
Optical modulation signal analyzer software included with OM1106 and OM4200 series products
400G and 1Tb/s superchannel support
Multi-carrier software option allows user-definable superchannel setup
Superchannel configuration allows user to define number of channels, channel frequency, and channel modulation format
Test automation acquires complete measurements at each channel
Integtrated measurement results allow easy channel-to-channel comparisons
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