ArticleJournal of biomedical optics2022
Comparing free-space and fiber-coupled detectors for Fabry-Pérot-based all-optical photoacoustic tomography.
Article in Journal of biomedical optics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Photoacoustic imaging plus X: a review.Journal of biomedical optics · 2024Review
- ABCD transfer matrix model of Gaussian beam propagation in Fabry-Perot etalons.Optics express · 2022Article
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Authors and funding
2 authors.
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Abstract
significanceHighly sensitive detection is crucial for all-optical photoacoustic (PA) imaging. However, free-space optical detectors are prone to optical aberrations, which can degrade the pressure sensitivity and result in deteriorated image quality. While spatial mode-filtering has been proposed to alleviate these problems in Fabry-Pérot-based pressure sensors, their real functional advantage has never been properly investigated.
aimWe rigorously and quantitatively compare the performance of free-space and fiber-coupled detectors for Fabry-Pérot-based pressure sensors. APPROACH: We develop and characterize a quantitative correlative setup capable of simultaneous PA imaging using a free space and a fiber-coupled detector.
resultsWe found that fiber-coupled detectors are superior in terms of both signal level and image quality in realistic all-optical PA tomography settings.
conclusionsOur study has important practical implications in the field of PA imaging, as for most applications and implementations fiber-coupled detectors are relatively easy to employ since they do not require modifications to the core of the system but only to the peripherally located detector.
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