Balanced Heterodyne Brillouin Spectroscopy Towards Tissue Characterization

Balanced Heterodyne Brillouin Spectroscopy Towards Tissue Characterization

We present the first application of balanced heterodyne detection, established in quantum optics, to Brillouin spectroscopy in biological tissues. The balanced detection cancels out a large part of the influence of the laser noise. The center wavelength is 1064nm and the frequency resolution is 30MH...

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Bibliographic Details
Published in:IEEE access Vol. 10; pp. 24340 - 24348
Main Authors: Schunemann, Melanie, Sperlich, Karsten, Barnscheidt, Kai, Schopa, Samuel, Wenzel, Johannes, Kalies, Stefan, Heisterkamp, Alexander, Stolz, Heinrich, Stachs, Oliver, Hage, Boris
Format: Journal Article
Language:English
Published: Piscataway IEEE 2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Biomechanics
Brillouin scattering
Frequency measurement
Frequency ranges
Laser beams
Measurement by laser beam
measurement techniques
optical mixing
Photodiodes
Quantum optics
Scattering
Spectroscopy
Spectrum analysis
Tissues
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Summary:We present the first application of balanced heterodyne detection, established in quantum optics, to Brillouin spectroscopy in biological tissues. The balanced detection cancels out a large part of the influence of the laser noise. The center wavelength is 1064nm and the frequency resolution is 30MHz. The frequency resolution and the accessible frequency range are only limited by the measurement time and the laser tuning range (30GHz), respectively. In this way, we were able to measure the Brillouin shift in acetone, water, gummy bears, glass, and even porcine eye lenses.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2022.3154424