Brillouin spectroscopy using atomic hyperfine transitions

Romanus J. Hutchins; Giulia Zanini; Giuliano Scarcelli

doi:10.1117/12.2610449

2 March 2022 Brillouin spectroscopy using atomic hyperfine transitions

Romanus J. Hutchins, Giulia Zanini, Giuliano Scarcelli

Proceedings Volume PC11962, Optical Elastography and Tissue Biomechanics VIV; PC1196203 (2022) https://doi.org/10.1117/12.2610449
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

Brillouin spectrometers use etalons to analyze Brillouin spectra. Line-scan Brillouin microscopes improve the image acquisition time ~100-fold than what was previously achievable by coupling line illumination with etalon spectrometers to multiplex the spectral measurement a row of pixels at a time. Multiplexing represents a way to improve Brillouin imaging speeds, but etalon-based spectrometers cannot multiplex a full image. Here, we investigate the potential of a new spectrometer based on atomic hyperfine transitions, enabling simultaneous analysis of a full field of view. We show that the spectrometer can fully transmit an image without distortions, thus proving the potential for 2D multiplexing.

Conference Presentation

Citation Download Citation

Romanus J. Hutchins, Giulia Zanini, and Giuliano Scarcelli "Brillouin spectroscopy using atomic hyperfine transitions", Proc. SPIE PC11962, Optical Elastography and Tissue Biomechanics VIV, PC1196203 (2 March 2022); https://doi.org/10.1117/12.2610449

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