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서지반출
Array-Based Real-Time Ultrasound and Photoacoustic Ocular Imaging
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  • Array-Based Real-Time Ultrasound and Photoacoustic Ocular Imaging
  • Array-Based Real-Time Ultrasound and Photoacoustic Ocular Imaging
저자명
Nam. Seung Yun,Emelianov. Stanislav Y.
간행물명
Journal of the Optical Society of Korea
권/호정보
2014년|18권 2호|pp.151-155 (5 pages)
발행정보
한국광학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Although various ophthalmic imaging methods, including fundus photography and optical coherence tomography, have been applied for effective diagnosis of ocular diseases with high spatial resolution, most of them are limited by shallow imaging penetration depth and a narrow field of view. Also, many of those imaging modalities are optimized to provide microscopic anatomical information, while functional or cellular information is lacking. Compared to other ocular imaging modalities, photoacoustic imaging can achieve relatively deep penetration depth and provide more detailed functional and cellular data based on photoacoustic signal generation from endogenous contrast agents such as hemoglobin and melanin. In this paper, array-based ultrasound and photoacoustic imaging was demonstrated to visualize pigmentation in the eye as well as overall ocular structure. Fresh porcine eyes were visualized using a real-time ultrasound micro-imaging system and an imaging probe supporting laser pulse delivery. In addition, limited photoacoustic imaging field of view was improved by an imaging probe tilting method, enabling visualization of most regions of the retina covered in the ultrasound imaging.