ArticleOptics letters2022
Interleave-sampled photoacoustic imaging: a doubled and equivalent sampling rate for high-frequency imaging.
Article in Optics letters, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- High frequency miniaturized transducer for facial and lingual full-mouth human imaging including third molars.Biomedical optics express · 2026Article
- In vivo periodontal ultrasound imaging via a hockey-stick transducer and comparison to periodontal probing: a proof-of-concept study.Clinical oral investigations · 2025Article
- Real-time tracking of the Bragg peak during proton therapy via 3D protoacoustic Imaging in a clinical scenario.Npj imaging · 2024Article
- Automatic search for photoacoustic marker using automated transrectal ultrasound.Biomedical optics express · 2023Article
- Hybrid photoacoustic and fast super-resolution ultrasound imaging.Nature communications · 2023Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
High-frequency photoacoustic (PA) imaging (>20 MHz) requires data acquisition (DAQ) with a commensurately high sampling rate, which leads to hardware challenges and increased costs. We report here a new, to the best of our knowledge, method-interleave-sampled PA imaging-that enables high-frequency imaging with a relatively low sampling rate, e.g., a 41.67-MHz sampling rate with a 30-MHz transducer. This method harnesses two acquisitions at a low sampling rate to effectively double the sampling rate which consequently reduces the frame rate by a factor of two. It modulates the delay of the light pulses and can thus be applied to any PA DAQ system. We perform both phantom and in vivo studies with a 30-MHz transducer. The results demonstrate that interleaved sampling at 41.67 MHz can capture high frequency information above 30 MHz but a conventional 41.67-MHz sampling rate cannot. The axial and lateral resolution are as high as 63 µm and 91 µm via interleaved sampling which are much higher than those of conventional 41.67-MHz sampling (130 µm and 136 µm).
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Registered trials
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