Dual-comb laser enables broadband detection of optical anisotropies

Callegari, F. and Nussbaum-Lapping, A. and Willenberg, B. and Pupeikis, J. (2023) Dual-comb laser enables broadband detection of optical anisotropies. Il nuovo cimento C, 46 (5). pp. 1-4. ISSN 1826-9885

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The measurement of optical anisotropies is widely employed in many application fields, such as material and biomedical sciences. Such spectro- scopic method monitors the polarization state alterations after the interaction be- tween matter and different states of polarized light. Here, we use a newly developed single-cavity dual-comb laser to demonstrate proof-of-principle polarization-resolved measurements. We detect the signals resulting from the heterodyne mixing of the two combs. The interferograms encode the information about the polarimetric prop- erties of samples at kHz rate. Our results complement earlier work with similar single-cavity dual-comb lasers demonstrating pump-probe sampling, and pave the way for a new platform for multimodal sensing.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 08 Mar 2024 13:56
Last Modified: 08 Mar 2024 13:56
URI: http://eprints.bice.rm.cnr.it/id/eprint/22727

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