journal article·2025-09-19Open access

IPP and PRT Depolarizing Spaces for the Study of Depolarizing Samples: A Review

Dekui Li, Ivan Montes-Gonzalez, Irene Estevez, Mónica Canabal-Carbia, Octavi López-Coronado, Yuxuan Mao, Albert Van Eeckhout, Ignacio Moreno, Juan Campos, Zhongyi Guo, Yi Tan, Angel Lizana

Applied Sciences· Volume 15· Issue 18

Abstract

Depolarizing spaces can reveal and emphasize depolarization origins in samples, making them suitable tools for target detection and disease diagnosis. The Indices of Polarization Purity (IPP) space, considered a representative depolarizing space, highlights the depolarization characteristics of samples, and has demonstrated its superiority in analyzing and identifying depolarization samples, i.e., biological tissues and scattering environments. Recently, a new polarization representation, the so-called Polarizance–Reflection–Transformation (PRT) space has been proposed, which has been employed to distinguish between non-depolarization systems, as well as analyze anisotropic depolarizers. Importantly, the IPP and PRT spaces provide complementary information of samples, hence presenting more polarimetric characterizations of the samples of interest. In consideration of the high importance of the IPP and PRT spaces in this topic, in this paper, we review the methodology of these two spaces and their applications in depolarizer distinction.
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Research context

OpenAlex topics: Optical Polarization and Ellipsometry · Characterization and Applications of Magnetic Nanoparticles · Spectroscopy and Chemometric Analyses

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo 454150, China

School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo 454150, China

Grup d’Òptica, Departament de Física, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain

Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Avda. Universidad s/n, 03202 Elche, Spain

Departamento de Ciencia de Materiales, Óptica y Tecnología Electrónica, Universidad Miguel Hernández de Elche, Avda. Universidad s/n, 03202 Elche, Spain

School of Computer and information, Hefei University of Technology, Hefei 230009, China

Funding

Ministerio de Ciencia e Innovación and Fondos FEDER · Generalitat de Catalunya · Generalitat Valenciana

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