T-matrix representation of optical scattering response: Suggestion for a data format

The transition matrix, frequently abbreviated as T-matrix, contains the complete information in a linear approximation of how a spatially localized object scatters an incident field. The T-matrix is used to study the scattering response of an isolated object and describes the optical response of complex photonic materials made from ensembles of individual objects. T-matrices of certain common structures, potentially, have been repeatedly calculated all over the world again and again. This is not necessary and constitutes a major challenge for various reasons. First, the resources spent on their computation represent an unsustainable financial and ecological burden. Second, with the onset of machine learning, data is the gold of our era, and it should be freely available to everybody to address novel scientific challenges. Finally, the possibility of reproducing simulations could tremendously improve if the considered T-matrices could be shared. To address these challenges, we found it important to agree on a common data format for T-matrices and to enable their collection from different sources and distribution. This document aims to develop the specifications for storing T-matrices and associated metadata. The specifications should allow maximum freedom to accommodate as many use cases as possible without introducing any ambiguity in the stored data. The common format will assist in setting up a public database of T-matrices. • We suggest storing T-matrices in a well-defined format with clear guidelines. • Advanced tools are provided to generate and store T-matrices with metadata. • A standard format supports T-matrix sharing, enhancing reproducibility and sustainability.

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Publication Details

Journal
Journal of Quantitative Spectroscopy and Radiative Transfer
Published
2024-12-19
DOI
https://doi.org/10.1016/j.jqsrt.2024.109310
Citations
11
Primary Topic
Random lasers and scattering media
Type
article
Field-Weighted Citation Impact
3.05
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article

T-matrix representation of optical scattering response: Suggestion for a data format

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11 citations
Journal of Quantitative Spectroscopy and Radiative Transfer
Random lasers and scattering media
3.05
article

T-matrix representation of optical scattering response: Suggestion for a data format

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article en
11 citations

Abstract

The transition matrix, frequently abbreviated as T-matrix, contains the complete information in a linear approximation of how a spatially localized object scatters an incident field. The T-matrix is used to study the scattering response of an isolated object and describes the optical response of complex photonic materials made from ensembles of individual objects. T-matrices of certain common structures, potentially, have been repeatedly calculated all over the world again and again. This is not necessary and constitutes a major challenge for various reasons. First, the resources spent on their computation represent an unsustainable financial and ecological burden. Second, with the onset of machine learning, data is the gold of our era, and it should be freely available to everybody to address novel scientific challenges. Finally, the possibility of reproducing simulations could tremendously improve if the considered T-matrices could be shared. To address these challenges, we found it important to agree on a common data format for T-matrices and to enable their collection from different sources and distribution. This document aims to develop the specifications for storing T-matrices and associated metadata. The specifications should allow maximum freedom to accommodate as many use cases as possible without introducing any ambiguity in the stored data. The common format will assist in setting up a public database of T-matrices. • We suggest storing T-matrices in a well-defined format with clear guidelines. • Advanced tools are provided to generate and store T-matrices with metadata. • A standard format supports T-matrix sharing, enhancing reproducibility and sustainability.

Journal of Quantitative Spectroscopy and Radiative TransferVol. 333
Karlsruhe Institute of Technology (DE), Leibniz University Hannover (DE), Pohang University of Science and Technology (KR), Physikalisch-Technische Bundesanstalt (DE), Centre National de la Recherche Scientifique (FR), TU Wien (AT), Université de Bordeaux (FR), University of Graz (AT), Universität Hamburg (DE), Zuse Institute Berlin (DE), Swiss Polar Institute (CH), Centre de recherche Paul Pascal (FR), University of Warsaw (PL), École Polytechnique Fédérale de Lausanne (CH), Hamburg University of Technology (DE), MacDiarmid Institute for Advanced Materials and Nanotechnology (NZ), Aalto University (FI)
Openalex Percentile: Top 6%
Random lasers and scattering media
3.05
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