Ultrahigh speed endoscopic optical coherence tomography using micromotor imaging catheter and VCSEL technology
Author(s): Tsai T, Potsaid B, Tao Y, Jayaraman V, Jiang J, Heim P, Kraus M, Zhou C, Hornegger J, Mashimo H, Cable A, Fujimoto J
Publisher: Optical Society of America
Publication year: 2013
Journal issue: 7
Pages range: 1119-1132
We developed a micromotor based miniature catheter with an outer diameter of 3.2 mm for ultrahigh speed endoscopic swept source optical coherence tomography (OCT) using a vertical cavity surfaceemitting laser (VCSEL) at a 1 MHz axial scan rate. The micromotor can rotate a micro-prism at several hundred frames per second with less than 5 V drive voltage to provide fast and stable scanning, which is not sensitive to the bending of the catheter. The side-viewing probe can be pulled back to acquire a three-dimensional (3D) data set covering a large area on the specimen. The VCSEL provides a high axial scan rate to support dense sampling under high frame rate operation. Using a high speed data acquisition system, in vivo 3D-OCT imaging in the rabbit GI tract and ex vivo imaging of a human colon specimen with 8 μm axial resolution, 8 μm lateral resolution and 1.2 mm depth range in tissue at a frame rate of 400 fps was demonstrated. © 2013 Optical Society of America.
FAU Authors / FAU Editors How to cite
APA: Tsai, T., Potsaid, B., Tao, Y., Jayaraman, V., Jiang, J., Heim, P.,... Fujimoto, J. (2013). Ultrahigh speed endoscopic optical coherence tomography using micromotor imaging catheter and VCSEL technology. Biomedical Optics Express, 4(7), 1119-1132. https://dx.doi.org/10.1364/BOE.4.001119
MLA: Tsai, Tsung-Han, et al. "Ultrahigh speed endoscopic optical coherence tomography using micromotor imaging catheter and VCSEL technology." Biomedical Optics Express 4.7 (2013): 1119-1132.