Photoacoustic Imaging Sensors Based on Integrated Photonics: Challenges and Trends,Laser & Photonics Reviews

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Photoacoustic Imaging Sensors Based on Integrated Photonics: Challenges and Trends
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2024-09-09 , DOI: 10.1002/lpor.202400414
Kangjian Bao _{1,

2,

3} , Xi Yang _{1,

3,

4} , Chunlei Sun _{2,

3} , Guoguang Rong _{3,

4} , Chao Tian ₅ , Junhui Shi ₆ , Mohamad Sawan _{3,

4} , Lan Li _{2,

3,

7}

Affiliation

Ultrasound and photoacoustic imaging are important imaging modalities with significant applications in clinical diagnosis and biomedical research. However, current capacitive and piezoelectric ultrasound detectors face challenges related to sensitivity and bandwidth, particularly at higher frequencies. These challenges can hinder their ability to achieve high spatial resolution and deep penetration for imaging purposes. Optical ultrasound sensors offer high sensitivity and show great potential for developing ultrasound/photoacoustic imaging systems. Among all methods of optical ultrasound detection, integrated photonics, with its superior advantages in miniaturization, sensitivity, and integration capability with electronics, could be next‐generation photoacoustic/ultrasound imaging technology. This review explores the device structure designs and applications of ultrasound/photoacoustic sensing based on integrated photonics, analyzes their performance metrics as ultrasound detectors, and discusses some perspectives on future developments and trends in this field.

中文翻译：

基于集成光子学的光声成像传感器：挑战与趋势

超声和光声成像是重要的成像方式，在临床诊断和生物医学研究中具有重要应用。然而，当前的电容式和压电式超声波探测器面临着灵敏度和带宽方面的挑战，特别是在较高频率下。这些挑战可能会阻碍他们实现高空间分辨率和深度穿透成像的能力。光学超声传感器具有高灵敏度，在开发超声/光声成像系统方面显示出巨大的潜力。在所有光学超声检测方法中，集成光子学以其在小型化、灵敏度和与电子集成能力方面的优越优势，可能成为下一代光声/超声成像技术。本文探讨了基于集成光子学的超声/光声传感的器件结构设计和应用，分析了它们作为超声探测器的性能指标，并讨论了该领域未来发展和趋势的一些观点。

更新日期：2024-09-09

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