Multitrack Linearly Polarized Spectrometer for Simultaneous Kinetic UV–Vis, Polarization-Resolved- Scattering, and Photoluminescence Measurements
Year: 2025
Type: article
Abstract: Dynamic systems, defined by their continuous temporal evolution, are central to advancements in chemistry, biology, and materials science. Optical techniques that leverage light absorption, scattering, and emission are essential for characterizing structural and property changes in these systems. However, conventional optical toolssuch as UV-vis spectroscopy, fluorescence, and scattering techniquesprovide fragmented or incomplete insights, making it challenging to comprehensively understand dynamic processes and ensure reliable data interpretation. Herein, we introduce a charge-coupled device (CCD)-based multitrack linearly polarized spectrometer (MLPS) designed for simultaneous kinetic UV-vis, polarization-resolved scattering, and photoluminescence measurements. The MLPS facilitates concurrent quantification of scattering and fluorescence intensities and depolarizations, alongside UV-vis extinction, with subsecond temporal resolution. By integrating high temporal resolution with the ability to capture complementary spectra, the MLPS significantly enhances the functionality of optical spectroscopy, paving the way for broader applications in dynamic system analysis and advancing research across multiple scientific disciplines. Furthermore, the instrument characterization and data preprocessing methodologies presented here provide valuable insights for the future development of multitrack CCD-based spectrometers.
Source: ACS Measurement Science Au
Authors: Rongjing Yan, Qiang Hao, Pathum Wathudura, Max Wamsley, Willard E. Collier, Dongmao Zhang
Institutions: Mississippi State University, Tuskegee University
Language: English
Subfield: Biomedical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $3,500
Funder: National Science Foundation
OpenAlex ID: W4411090298