High frame-rate en face optical coherence tomography system using KTN optical beam deflector

Masato Ohmi; Yusuke Shinya; Tadayuki Imai; Seiji Toyoda; Junya Kobayashi; Tadashi Sakamoto

doi:10.1117/12.2251044

17 February 2017 High frame-rate en face optical coherence tomography system using KTN optical beam deflector

Masato Ohmi, Yusuke Shinya, Tadayuki Imai, Seiji Toyoda, Junya Kobayashi, Tadashi Sakamoto

Proceedings Volume 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI; 100532L (2017) https://doi.org/10.1117/12.2251044
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

We developed high frame-rate en face optical coherence tomography (OCT) system using KTa_1-xNb_xO₃ (KTN) optical beam deflector. In the imaging system, the fast scanning was performed at 200 kHz by the KTN optical beam deflector, while the slow scanning was performed at 800 Hz by the galvanometer mirror. As a preliminary experiment, we succeeded in obtaining en face OCT images of human fingerprint with a frame rate of 800 fps. This is the highest frame-rate obtained using time-domain (TD) en face OCT imaging. The 3D-OCT image of sweat gland was also obtained by our imaging system.

Citation Download Citation

Masato Ohmi, Yusuke Shinya, Tadayuki Imai, Seiji Toyoda, Junya Kobayashi, and Tadashi Sakamoto "High frame-rate en face optical coherence tomography system using KTN optical beam deflector", Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100532L (17 February 2017); https://doi.org/10.1117/12.2251044

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