Multiscale IR polarimetry of anisotropic nanofibers

Karsten Hinrichs; Brianna Blevins; Andreas Furchner; Nataraja Sekhar Yadavalli; Sergiy Minko; Raphael Horvath; Markus Mangold

doi:10.1117/12.2653330

6 March 2023 Multiscale IR polarimetry of anisotropic nanofibers

Karsten Hinrichs, Brianna Blevins, Andreas Furchner, Nataraja Sekhar Yadavalli, Sergiy Minko, Raphael Horvath, Markus Mangold

Author Affiliations +

Proceedings Volume 12372, Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII; 123720G (2023) https://doi.org/10.1117/12.2653330
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

A straightforward multi-scale infrared (IR) spectroscopic characterization of anisotropic polymer nanofibers for material research and biomedical applications is presented. Polarization dependent IR spectroscopies with spatial resolutions from a few mm down to a few 10 nm (by atomic force microscopy-based infrared spectroscopy, AFM-IR) and time resolutions from the min to µs range (by infrared dual-comb polarimetry, IR-DCP) are used. Compared to AFM-IR, which measures the absorption via the photothermal expansion, and IR ellipsometry, which measures amplitudes of sand p-polarized radiation and their phase differences, IR-DCP measures separately s-and p-polarized amplitudes and phases

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Citation Download Citation

Karsten Hinrichs, Brianna Blevins, Andreas Furchner, Nataraja Sekhar Yadavalli, Sergiy Minko, Raphael Horvath, and Markus Mangold "Multiscale IR polarimetry of anisotropic nanofibers", Proc. SPIE 12372, Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII, 123720G (6 March 2023); https://doi.org/10.1117/12.2653330

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