写实摄影风格图

{
  "type": "科学硬件示意图",
  "layout": {
    "main_scene": "光学台的3D渲染，红色激光束穿过11个安装在黑色支架上的对齐光学元件。",
    "top_brackets": [
      {
        "label": "双调制",
        "span": "SLM1"
      },
      {
        "label": "4f 中继光学",
        "span": "Lens L1 to Lens L2"
      },
      {
        "label": "成像光学",
        "span": "SLM2 to Lens L4"
      },
      {
        "label": "检测",
        "span": "Camera"
      }
    ],
    "optical_components_left_to_right": [
      {
        "name": "激光",
        "labels": [
          "激光",
          "λ = 632.8 nm"
        ]
      },
      {
        "name": "SLM1",
        "labels": [
          "SLM1",
          "（相位/偏振调制）"
        ]
      },
      {
        "name": "透镜 L1",
        "labels": [
          "Lens L1",
          "（f1）"
        ]
      },
      {
        "name": "光阑",
        "labels": [
          "Fourier Plane",
          "（孔径平面）",
          "光阑",
          "（高阶过滤）"
        ]
      },
      {
        "name": "半波片",
        "labels": [
          "HWP",
          "（λ/2）"
        ]
      },
      {
        "name": "透镜 L2",
        "labels": [
          "Lens L2",
          "（f1）"
        ]
      },
      {
        "name": "SLM2",
        "labels": [
          "SLM2",
          "（相位/偏振调制）"
        ]
      },
      {
        "name": "透镜 L3",
        "labels": [
          "Lens L3",
          "（f2）"
        ]
      },
      {
        "name": "透镜 L4",
        "labels": [
          "Lens L4",
          "（f2）"
        ]
      },
      {
        "name": "线性偏振片",
        "labels": [
          "线性",
          "-偏振片",
          "（全局分析器）"
        ]
      },
      {
        "name": "偏振相机",
        "labels": [
          "偏振相机"
        ]
      }
    ],
    "inset_box": {
      "position": "右下角",
      "title": "偏振相机微偏振阵列（每像素分析器）",
      "grid": "4x4 彩色方块网格，带方向箭头",
      "legend_count": 4,
      "legend_items": [
        "红色方块，水平箭头，0°（H）",
        "绿色方块，垂直箭头，90°（V）",
        "蓝色方块，对角箭头，45°（D）",
        "黄色方块，对角箭头，135°（A）"
      ]
    },
    "bottom_caption": {
      "figure_prefix": "图 5.",
      "title": "椭偏仪硬件设置",
      "text": "解释双调制配置、4f 中继光学和偏振相机的科学段落。"
    }
  }
}