US 11,853,386 B1
Method for rapidly calculating three-dimensional polarimetric dimension, device, and storage medium
Yahong Chen, Suzhou (CN); Chencheng Yan, Suzhou (CN); Fei Wang, Suzhou (CN); and Yangjian Cai, Suzhou (CN)
Assigned to SOOCHOW UNIVERSITY, Suzhou (CN)
Appl. No. 17/924,484
Filed by SOOCHOW UNIVERSITY, Suzhou (CN)
PCT Filed Feb. 11, 2022, PCT No. PCT/CN2022/076028
§ 371(c)(1), (2) Date Nov. 10, 2022,
PCT Pub. No. WO2023/123617, PCT Pub. Date Jul. 6, 2023.
Claims priority of application No. 202111627496.1 (CN), filed on Dec. 29, 2021.
Int. Cl. G06F 17/16 (2006.01)
CPC G06F 17/16 (2013.01) 10 Claims
OG exemplary drawing
 
1. A method for rapidly calculating a three-dimensional polarimetric dimension, comprising steps of:
determining that an incident light field is a coherence matrix of a partially coherent Schell-model beam, and decomposing the coherence matrix into a form of multiplying an incident electric field by a coherence structure matrix of the incident light field;
obtaining an electric field near a focal field after the incident electric field passes through a tight focusing system according to the vector diffraction theory, and describing a second-order correlation characteristic of a partially coherent vector beam near a tightly focused field by using a coherence matrix to obtain a tightly focused coherence matrix;
obtaining a tightly focused polarization matrix based on the tightly focused coherence matrix; and
rotating the tightly focused polarization matrix into an intrinsic coordinate frame of the tightly focused polarization matrix, and calculating a three-dimensional polarimetric dimension of the partially coherent Schell-model beam in the tightly focused field.