Lossy-metal half-space reflectance vs Tidy3D#
validated · 2026-08-28
This case compares a local FDTDX result with pinned reference data generated by Tidy3D.
Representative dispersive material response.#
What is exercised#
High-σ half-space should be nearly perfectly reflecting. T=S_T/S0, R=1-T.
This case runs at its declared full benchmark resolution (resolution factor 1.0).
Recorded result#
Metric |
Observed / error |
Reference / limit |
Error |
Effective budget |
Result |
|---|---|---|---|---|---|
|
1 |
0.999973 |
2.730e-05 |
0.0399995 |
PASS |
The table is rendered from progress.json; it is not a hand-written success claim. For metrics that report an error directly, the “observed” column repeats that error and the reference column is the acceptance threshold.
Reproduce#
uv run fdtdx-bench run --case parity_metal_reflect
Implementation and provenance: benchmarks/cases/parity_metal_reflect/case.yaml, benchmarks/cases/parity_metal_reflect/run.py, benchmarks/goldens/parity_metal_reflect.npz.