产品描述
General Photonics MPC-202 是一款先进的多功能偏振控制器，专为满足相干光接收机性能测试的需求而设计。该仪器结合了获奖的PolaRite™ II/III全光纤偏振控制器模块和专有控制算法，提供多种偏振控制与调制功能。其核心的“飓风”准均匀速率偏振扰偏模式可产生高速、高难度的偏振态变化，用于对相干接收机的偏振跟踪能力进行极限压力测试。该设备非常适用于实验室中对偏振相关参数进行表征，以及对光纤干涉仪、传感系统和射频光子学系统进行性能测试。
主要特点
多样化的偏振控制与调制模式：提供准均匀速率偏振扰偏（SOP变化速率 >360 krad/s）、服从瑞利分布的随机速率扰偏、离散态扰偏以及正弦波、方波和三角波的SOP调制，并具备4通道（每通道0-4π范围）手动偏振控制功能。
核心的“飓风”扰偏模式：可实现高达每秒60，000转（超过360 krad/s）的偏振态扰偏速率，其速率分布集中在最高速区域，能模拟对通信系统最具挑战性的偏振态变化条件。
优异的光学性能：具有极低的插入损耗（带连接器时 <0.6 dB）、偏振相关损耗（带连接器时 <0.1 dB）、偏振模色散（带连接器时 <0.2 ps）和激活损耗（带连接器时 <0.1 dB），确保测试的准确性。
宽波长范围与高功率：标准版本工作波长为1260-1620 nm，另可选980-1310 nm版本，可承受高达1000 mW的光功率。
灵活的集成与控制：前面板配备明亮的OLED显示屏，提供USB、以太网、RS-232和GPIB通信接口，并支持外部TTL触发模式，便于集成到自动化测试系统中。
Product Description
The General Photonics MPC-202 is an advanced multifunction polarization controller, specifically designed to meet the performance testing requirements of coherent optical receivers. This instrument integrates the award-winning PolaRite™ II/III all-fiber polarization controller module with proprietary control algorithms to deliver a variety of polarization control and modulation functions. Its core "Tornado" quasi-uniform rate polarization scrambling mode generates high-speed, challenging State of Polarization (SOP) variations for extreme stress testing of a coherent receiver's polarization tracking capability. It is an ideal tool for laboratory characterization of polarization-related parameters and performance testing of fiber optic interferometers, sensor systems, and RF photonics systems.
Key Features
Multiple Polarization Control & Modulation Modes: Provides quasi-uniform rate SOP scrambling (SOP change rate >360 krad/s), random-rate scrambling with Rayleigh distribution, discrete-state scrambling, SOP modulation with sine, square, and triangle waveforms, and 4-channel manual polarization control (0-4π per channel).
Core "Tornado" Scrambling Mode: Achieves a high SOP scrambling rate of up to 60,000 revolutions per second (more than 360 krad/s) with a narrow rate distribution clustered around the highest rate, emulating the most difficult SOP variation conditions for communication systems.
Excellent Optical Performance: Features very low Insertion Loss (<0.6 dB with connectors), Polarization Dependent Loss (<0.1 dB with connectors), Polarization Mode Dispersion (<0.2 ps with connectors), and Activation Loss (<0.1 dB with connectors) to ensure testing accuracy.
Broad Wavelength Range & High Power Handling: Standard operating wavelength range is 1260-1620 nm, with a 980-1310 nm version available. It can handle optical power up to 1000 mW.
Flexible Integration & Control: Equipped with a bright front-panel OLED display, USB, Ethernet, RS-232, and GPIB communication interfaces, and supports an external TTL trigger mode for easy integration into automated test systems.
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