Cutoff frequency

Code snippets

curl "https://api.oanor.com/waveguide-api/v1/cutoff" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/waveguide-api/v1/cutoff", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/waveguide-api/v1/cutoff");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/waveguide-api/v1/cutoff",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "mode": "TE10",
        "note": "Cutoff frequency fc = (c/2)·√((m/a)²+(n/b)²). Below fc the mode is evanescent (cannot propagate). For the usual a > b, the dominant mode is TE10 with fc = c/(2a).",
        "inputs": {
            "m": 1,
            "n": 0,
            "width_mm": 22.86,
            "height_mm": 10.16,
            "mode_type": "TE"
        },
        "cutoff_frequency_ghz": 6.55714,
        "cutoff_wavelength_mm": 45.72
    },
    "meta": {
        "timestamp": "2026-06-05T11:30:30.205Z",
        "request_id": "70a99c7f-718e-4159-a4e7-e83cac769e42"
    },
    "status": "ok",
    "message": "Cutoff frequency",
    "success": true
}