Material dielectric models for plasmonic electrodynamics in MNPBEM-Python.
Project description
mnpbem-material
mnpbem-material mengimplementasikan model fungsi dielektrik utama pada domain plasmonik.
Formulasi yang Diimplementasikan
- Konstanta dielektrik
[ \varepsilon(\lambda)=\varepsilon_0,\qquad k(\lambda)=\frac{2\pi}{\lambda}\sqrt{\varepsilon} ]
- Model Drude
[ \varepsilon(\omega)=\varepsilon_\infty-\frac{\omega_p^2}{\omega(\omega+i\gamma)} ]
dengan transformasi energi-panjang gelombang:
[ \omega_{\mathrm{eV}} = \frac{\mathrm{EV_TO_NM}}{\lambda_{\mathrm{nm}}} ]
Parameter Au, Ag, Al mengikuti formulasi pada file MATLAB Material/@epsdrude/init.m.
- Model tabulasi
Dari data (E, n, k), didapat:
[ \varepsilon = (n + i k)^2 ]
Interpolasi dilakukan pada domain panjang gelombang hasil konversi dari energi.
Implementasi:
src/mnpbem_material/models.py- data material:
src/mnpbem_material/data/*.dat
Dependensi
Dependensi runtime dipasang otomatis saat instalasi paket:
numpy>=1.24
Contoh Penggunaan
Contoh siap jalan tersedia di:
examples/basic_usage.py
Jalankan:
python examples/basic_usage.py
Author
- GALIH RIDHO UTOMO
- g4lihru@students.unnes.ac.id
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