科研光学实验光路图

{
  "type": "scientific optical setup diagram",
  "main_setup": {
    "base": "带有安装孔网格的光学面包板实验台",
    "beam": "水平穿过所有光学元件的红色激光光束",
    "top_grouping_brackets": [
      "[双重调制 (Dual Modulation)]",
      "4f中继光学系统",
      "成像光学系统",
      "探测部分"
    ],
    "components_left_to_right": [
      {
        "name": "Laser",
        "label": "[λ = 632.8 nm]",
        "appearance": "支杆上的黑色长方体激光器"
      },
      {
        "name": "SLM1",
        "label": "(Phase / Pol. Mod.)",
        "appearance": "支杆上的黑色方形空间光调制器"
      },
      {
        "name": "Lens L1",
        "label": "(f1)",
        "appearance": "黑色环形镜架中的透镜"
      },
      {
        "name": "Iris",
        "label": "Fourier Plane (Pupil Plane) / (Higher Orders Filtered)",
        "appearance": "上方带虚线标记的光阑镜架"
      },
      {
        "name": "HWP",
        "label": "(λ/2)",
        "appearance": "黑色环形镜架中的带紫光半波片"
      },
      {
        "name": "Lens L2",
        "label": "(f1)",
        "appearance": "黑色环形镜架中的透镜"
      },
      {
        "name": "SLM2",
        "label": "(Phase / Pol. Mod.)",
        "appearance": "支杆上的黑色方形空间光调制器"
      },
      {
        "name": "Lens L3",
        "label": "(f2)",
        "appearance": "黑色环形镜架中的透镜"
      },
      {
        "name": "Lens L4",
        "label": "(f2)",
        "appearance": "黑色环形镜架中的透镜"
      },
      {
        "name": "Linear Polarizer",
        "label": "(Global Analyzer)",
        "appearance": "黑色环形镜架中的线偏振镜"
      },
      {
        "name": "Polarization Camera",
        "label": "POLARIZATION CAMERA",
        "appearance": "蓝黑相间的箱式偏振相机"
      }
    ]
  },
  "inset_diagram": {
    "position": "右下角，虚线边框",
    "title": "[偏振相机微偏振阵列] (Per-Pixel Analyzer)",
    "visuals": "带有白色方向箭头的4x4彩色方格网格",
    "legend_count": 4,
    "legend_labels": [
      "红色 右箭头 0° (H)",
      "绿色 上箭头 90° (V)",
      "蓝色 斜箭头 45° (D)",
      "黄色 斜箭头 135° (A)"
    ]
  },
  "bottom_caption": {
    "figure_number": "Fig. 5.",
    "title": "[椭圆偏振测量硬件实验光路系统]",
    "description": "[我们的原型显示系统采用双重调制配置以实现相位和偏振的同时控制。4f中继光学系统传输经调制的波前...]"
  }
}