Brillouin spectroscopy using laser induced circular dichroism in 87Rb atoms (Conference Presentation)

Romanus J. Hutchins; Giulia Zanini; Giuliano Scarcelli

doi:10.1117/12.2649279

15 March 2023 Brillouin spectroscopy using laser induced circular dichroism in 87Rb atoms (Conference Presentation)

Romanus J. Hutchins, Giulia Zanini, Giuliano Scarcelli

Proceedings Volume PC12381, Optical Elastography and Tissue Biomechanics X; PC1238107 (2023) https://doi.org/10.1117/12.2649279
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Multiplexing the spectral analysis of Brillouin scattering to many spatial points of a sample was recently demonstrated as a powerful way to improve Brillouin microscopy image acquisiton speeds. However, this approach is currently limited to line-scan Brillouin microscopes because spectral analysis is performed via etalon spectrometers where only one spatial direction can be used for spectral analysis. To enable 2D spectral multiplexing, we propose replacing etalons with monochromators based on laser-induced circular dichroism in atomic-vapors for Brillouin analysis. This enables single shot imaging at a single frequency, while the full Brillouin dataset is built scanning the monochromator transmission window.

Conference Presentation

Citation Download Citation

Romanus J. Hutchins, Giulia Zanini, and Giuliano Scarcelli "Brillouin spectroscopy using laser induced circular dichroism in 87Rb atoms (Conference Presentation)", Proc. SPIE PC12381, Optical Elastography and Tissue Biomechanics X, PC1238107 (15 March 2023); https://doi.org/10.1117/12.2649279

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