"Mach-Zehnder interferometer" meaning in English

{
  "etymology_text": "Named after the physicists Ludwig Mach (who refined the idea) and Ludwig Zehnder (who proposed it in 1891).",
  "forms": [
    {
      "form": "Mach-Zehnder interferometers",
      "tags": [
        "plural"
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    }
  ],
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      "expansion": "Mach-Zehnder interferometer (plural Mach-Zehnder interferometers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A device used to determine the relative phase shift variations between two collimated beams derived by splitting light from a single source."
      ],
      "id": "en-Mach-Zehnder_interferometer-en-noun-6q7hWYRr",
      "wikipedia": [
        "Mach-Zehnder interferometer"
      ]
    }
  ],
  "word": "Mach-Zehnder interferometer"
}

{
  "etymology_text": "Named after the physicists Ludwig Mach (who refined the idea) and Ludwig Zehnder (who proposed it in 1891).",
  "forms": [
    {
      "form": "Mach-Zehnder interferometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Mach-Zehnder interferometer (plural Mach-Zehnder interferometers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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      ],
      "glosses": [
        "A device used to determine the relative phase shift variations between two collimated beams derived by splitting light from a single source."
      ],
      "wikipedia": [
        "Mach-Zehnder interferometer"
      ]
    }
  ],
  "word": "Mach-Zehnder interferometer"
}