Scientific hardware diagram: 3D render of an optical table with a red laser…

{
  "type": "scientific hardware diagram",
  "layout": {
    "main_scene": "3D render of an optical table with a red laser beam passing through 11 aligned optical components mounted on black posts.",
    "top_brackets": [
      {
        "label": "Dual Modulation",
        "span": "SLM1"
      },
      {
        "label": "4f Relay Optics",
        "span": "Lens L1 to Lens L2"
      },
      {
        "label": "Imaging Optics",
        "span": "SLM2 to Lens L4"
      },
      {
        "label": "Detection",
        "span": "Camera"
      }
    ],
    "optical_components_left_to_right": [
      {
        "name": "Laser",
        "labels": [
          "Laser",
          "λ = 632.8 nm"
        ]
      },
      {
        "name": "SLM1",
        "labels": [
          "SLM1",
          "(Phase / Pol. Mod.)"
        ]
      },
      {
        "name": "Lens L1",
        "labels": [
          "Lens L1",
          "(f1)"
        ]
      },
      {
        "name": "Iris",
        "labels": [
          "Fourier Plane",
          "(Pupil Plane)",
          "Iris",
          "(Higher Orders Filtered)"
        ]
      },
      {
        "name": "HWP",
        "labels": [
          "HWP",
          "(λ/2)"
        ]
      },
      {
        "name": "Lens L2",
        "labels": [
          "Lens L2",
          "(f1)"
        ]
      },
      {
        "name": "SLM2",
        "labels": [
          "SLM2",
          "(Phase / Pol. Mod.)"
        ]
      },
      {
        "name": "Lens L3",
        "labels": [
          "Lens L3",
          "(f2)"
        ]
      },
      {
        "name": "Lens L4",
        "labels": [
          "Lens L4",
          "(f2)"
        ]
      },
      {
        "name": "Linear Polarizer",
        "labels": [
          "Linear",
          "-Polarizer",
          "(Global Analyzer)"
        ]
      },
      {
        "name": "Polarization Camera",
        "labels": [
          "POLARIZATION CAMERA"
        ]
      }
    ],
    "inset_box": {
      "position": "bottom right",
      "title": "Polarization Camera Micro-Polarizer Array (Per-Pixel Analyzer)",
      "grid": "4x4 grid of colored squares with directional arrows",
      "legend_count": 4,
      "legend_items": [
        "Red square, horizontal arrow, 0° (H)",
        "Green square, vertical arrow, 90° (V)",
        "Blue square, diagonal arrow, 45° (D)",
        "Yellow square, diagonal arrow, 135° (A)"
      ]
    },
    "bottom_caption": {
      "figure_prefix": "Fig. 5.",
      "title": "Ellipsography Hardware Setup.",
      "text": "Paragraph of scientific text explaining the dual-modulation configuration, 4f relay optics, and polarization camera."
    }
  }
}