@article{article9b1197d0, title = {Variant of the angular spectrum decomposition method for evaluating the beam shape coefficients: a comparison with the finite series technique}, author = {Siqi, Tang and Jianqi, Shen and Gouesbet, Gérard and Ambrosio, Leonardo André}, year = {2025}, doi = {10.1016/j.jqsrt.2025.109669}, journal = {Journal of Quantitative Spectroscopy & Radiative Transfer} }