Park Kibeom, Cho Nam Hyun, Jang Jeong Hun, Lee Sang Heun, Kim Pilun, Jeon Mansik, Boppart Stephen A, Kim Jeehyun, Jung Woonggyu
Appl Opt. 2017 Mar 20;56(9):D115-D119. doi: 10.1364/AO.56.00D115.
A wide-field optical coherence tomography (OCT) probe was developed that adapts a diagonal-scanning scheme for three-dimensional (3D) in vivo imaging of the human tympanic membrane. The probe consists of a relay lens to enhance the lateral scanning range up to 7 mm. Motion artifacts that occur with the use of handheld probes were found to be decreased owing to the diagonal-scanning pattern, which crosses the center of the sample to facilitate entire 3D scans. 3D images could be constructed from a small number of two-dimensional OCT images acquired using the diagonal-scanning technique. To demonstrate the usefulness and performance of the developed system with the handheld probe, in vivo tympanic membranes of humans and animals were imaged in real time.
开发了一种宽视野光学相干断层扫描(OCT)探头,该探头采用对角扫描方案对人鼓膜进行三维(3D)体内成像。该探头由一个中继透镜组成,可将横向扫描范围扩大至7毫米。由于对角扫描模式穿过样本中心以利于进行完整的3D扫描,因此发现使用手持探头时出现的运动伪影有所减少。利用对角扫描技术采集少量二维OCT图像即可构建3D图像。为了证明所开发的手持探头系统的实用性和性能,对人和动物的体内鼓膜进行了实时成像。