Article ; Online: Ultrafast polarization characterization with Mueller matrix based on optical time-stretch and spectral encoding.
2024 Volume 32, Issue 6, Page(s) 9128–9138
Abstract: High-speed optical polarization characterization is highly desirable for a wide range of applications, including remote sensing, telecommunication, and medical diagnosis. The utilization of the Mueller matrix provides a superior systematic and ... ...
| Abstract | High-speed optical polarization characterization is highly desirable for a wide range of applications, including remote sensing, telecommunication, and medical diagnosis. The utilization of the Mueller matrix provides a superior systematic and comprehensive approach to represent polarization attributes when matter interacts with optical beams. However, the current measurement speed of Mueller matrix is limited to only seconds or milliseconds. In this study, we present an ultrafast Mueller matrix polarimetry (MMP) technique based on optical time-stretch and spectral encoding that enables us to achieve an impressive temporal resolution of 4.83 nanoseconds for accurate Mueller matrix measurements. The unique feature of optical time-stretch technology enables continuous, ultrafast single-shot spectroscopy, resulting in a remarkable speed of up to 207 MHz for spectral encoding Mueller matrix measurement. We have employed an effective Mueller linear reconstruction algorithm based on the measured modulation matrix, accounting for all potential non-ideal effects of polarization components like retardance error and azimuth error. To ensure high precision, prior to the actual measurement, high-order dispersion induced by time-stretch requires adjustment through proper modulation matrix design. Upon such correction, both the results of static and rapid dynamic samples measurements exhibit exceptional accuracy with root-mean-square error (RMSE) approximately equal to 0.04 and 0.07 respectively. This presented ultrafast MMP provides a significant advance over preceding endeavors, enabling superior accuracy and increased speed concurrently. |
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| Language | English |
| Publishing date | 2024-04-03 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 1491859-6 |
| ISSN | 1094-4087 ; 1094-4087 |
| ISSN (online) | 1094-4087 |
| ISSN | 1094-4087 |
| DOI | 10.1364/OE.517968 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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