ArticleScientific reports2014
A transparent broadband ultrasonic detector based on an optical micro-ring resonator for photoacoustic microscopy.
Article in Scientific reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers.
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Who cites it
75 citing papers in PubMed.
- Article
- Ultra-sensitive wideband diffraction-grating-coupled-mode Fabry-Pérot resonators for ultrasound and photoacoustic detection.Photoacoustics · 2026Article
- Ultrafast subwavelength CVD-graphene nanoheater for the generation of broadband photoacoustic waves.Photoacoustics · 2026Article
- Amorphous silicon-carbide photonics for ultrasound imaging.Communications physics · 2026Article
- WGM microprobe device for high-sensitivity ultrasound detection and vibration spectrum measurement.Frontiers of optoelectronics · 2025Article
- Spatial-offset pump-probe imaging of nonradiative dynamics at optical resolution.Science advances · 2025Article
- Comparative simulation analysis of photonic ultrasound sensors based on silicon waveguides.Scientific reports · 2025Article
- Wavelength-time-division multiplexed fiber-optic sensor array for wide-field photoacoustic microscopy.Photoacoustics · 2025Article
- A fast all-optical 3D photoacoustic scanner for clinical vascular imaging.Nature biomedical engineering · 2025Article
- Non-contact electroacoustic tomography with optical interferometer for electroporation therapy monitoring.Applied physics letters · 2025Article
- Bragg grating etalon-based optical fiber for ultrasound and optoacoustic detection.Nature communications · 2024Article
- Ultrasound sensing with optical microcavities.Light, science & applications · 2024Review
- Multimodal optoacoustic imaging: methods and contrast materials.Chemical Society reviews · 2024Review
- Investigation of the molecular switching process between spin crossover states of triazole complexes as basis for optical sensing applications.Scientific reports · 2024Article
- ReducedMicroorganisms · 2024Article
- Deep tissue photoacoustic imaging with light and sound.Npj imaging · 2024Review
- Optical ultrasound sensors for photoacoustic imaging: a review.Journal of biomedical optics · 2024Review
- Theoretical and experimental study on the detection limit of the micro-ring resonator based ultrasound point detectors.Photoacoustics · 2023Article
- Highly sensitive ultrasound detection using nanofabricated polymer micro-ring resonators.Nano convergence · 2023Review
- Ultrawide-bandwidth high-resolution all-optical intravascular ultrasound using miniaturized photoacoustic transducer.Science advances · 2023Article
15 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors.
Funding
Abstract
Photoacoustic microscopy (PAM) does not rely on contrast agent to image the optical absorption contrast in biological tissue. It is uniquely suited for measuring several tissue physiological parameters, such as hemoglobin oxygen saturation, that would otherwise remain challenging. Researchers are designing new clinical diagnostic tools and multimodal microscopic systems around PAM to fully unleash its potential. However, the sizeable and opaque piezoelectric ultrasonic detectors commonly used in PAM impose a serious constraint. Our solution is a coverslip-style optically transparent ultrasound detector based on a polymeric optical micro-ring resonator (MRR) with a total thickness of 250 μm. It enables highly-sensitive ultrasound detection over a wide receiving angle with a bandwidth of 140 MHz, which corresponds to a photoacoustic saturation limit of 287 cm(-1), at an estimated noise-equivalent pressure (NEP) of 6.8 Pa. We also established a theoretical framework for designing and optimizing the MRR for PAM.
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