Yang, Y., Dongol, K., Forno, S. D., Li, Z., Agarwal, P., Mansor, A., Singh, R., Battiato, M., Chia, E. E. M., Chang, G. (2026). Complex refractive index extraction for spintronic terahertz emitter analysis. Journal of Applied Physics. https://doi.org/10.1063/5.0331719