30–100 kHz, 2 ns passively Q‐switched laser for fast and efficient photoacoustic microscopy

H He, H Wang, H You, X Dong, J Shi… - Journal of …, 2024 - Wiley Online Library
Actively Q‐switched (AQS) fiber laser and solid‐state laser (SSL) are widely used for
photoacoustic microscopy (PAM). In contrast, passively Q‐switched (PQS) SSL not only …

Enhancing vascular network visualization in 3D photoacoustic imaging: in vivo experiments with a vasculature filter

M Amjadian, SM Mostafavi, J Chen, J Zhu, J Ma… - Optics …, 2024 - opg.optica.org
Filter-based vessel enhancement algorithms facilitate the extraction of vascular networks
from medical images. Traditional filter-based algorithms struggle with high noise levels in …

Transportable Multispectral Optical-Resolution Photoacoustic Microscopy using Stimulated Raman Scattering Spectrum

H Lee, SM Park, J Park, SW Cho, S Han… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Photoacoustic imaging (PAI) has become a powerful biomedical imaging technique in the
last decades, combining optical and ultrasound imaging (USI) principles. Among the various …

Photoacoustic microscopy for real-time monitoring of near-infrared optical absorbers inside biological tissue

T Hirasawa, K Tachi, T Ishikawa… - Journal of …, 2024 - spiedigitallibrary.org
Significance We developed a high-speed optical-resolution photoacoustic microscopy (OR-
PAM) system using a high-repetition-rate supercontinuum (SC) light source and a two-axes …

Photoacoustic imaging of gingival inflammation using low-cost near-infrared diode laser

AW Sari, R Widyaningrum, A Setiawan - Applied Acoustics, 2024 - Elsevier
Purpose Periodontal disease and dental caries are the most common health issues
encountered in dental practice. A new technique for detecting periodontitis is photoacoustic …

Super‐Low‐Dose Functional and Molecular Photoacoustic Microscopy

Y Zhang, J Chen, J Zhang, J Zhu, C Liu… - Advanced …, 2023 - Wiley Online Library
Photoacoustic microscopy can image many biological molecules and nano‐agents in vivo
via low‐scattering ultrasonic sensing. Insufficient sensitivity is a long‐standing obstacle for …

Few-cycle THz wave manipulation with a high degree of freedom via ft modulation

HK Wei, H Ito, WH Huang, ZW Chen, YK Ko, CM Tu… - Optics Letters, 2023 - opg.optica.org
THz waves have been intensively applied in many fields, eg, spectroscopy, imaging, and
communications. However, owing to the rarity of available techniques for manipulating …

Flexible depth-of-focus, depth-invariant resolution photoacoustic microscopy with Airy beam

W Zhou, H Xie, K Li, Z Sun, J He… - Advanced …, 2024 - spiedigitallibrary.org
Optical-resolution photoacoustic microscopy (OR-PAM) has rapidly developed and is
capable of characterizing optical absorption properties of biological tissue with high contrast …

Non-uniform image reconstruction for fast photoacoustic microscopy of histology imaging

LX Zhou, Y Xia, R Dai, AR Liu, SW Zhu… - Biomedical Optics …, 2023 - opg.optica.org
Photoacoustic microscopic imaging utilizes the characteristic optical absorption properties of
pigmented materials in tissues to enable label-free observation of fine morphological and …

Contrast-enhanced ultrasound-modulated laser feedback imaging with microbubbles

Z Hua, K Zhu, Y Wang, Z Zeng, Y Tan - Optics and Lasers in Engineering, 2022 - Elsevier
A contrast-enhanced ultrasound-modulated laser feedback imaging system is proposed.
Compared with traditional ultrasound modulated optical tomography (UOT), the system …