Quadrature-Fringes Full-field Optical Coherence Tomography

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  • SATO Manabu
    Graduate Program of Human Sensing and Functional Sensor Engineering, Graduate School of Science and Engineering, Yamagata University
  • WATANABE Yuuki
    Graduate Program of Human Sensing and Functional Sensor Engineering, Graduate School of Science and Engineering, Yamagata University

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  • 直交位相干渉フルフイールド光コヒーレンストモグラフィ
  • 直交位相干渉フルフィールド光コヒーレンストモグラフィ
  • チョッコウ イソウ カンショウ フルフィールド ヒカリ コヒーレンストモグラフィ

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Abstract

Recently, progress has been made in developing full-field optical coherence tomography (FF OCT) with the advantage of acquiring an en-face sectional image. Based on the Linnik interferometer, the FF OCT achieves an acquisition speed of 250 frames/s using a cw Xenon lamp and CMOS camera to measure OCT images of rat eye in vivo. We have been studying quadrature-fringes full-field OCT (QF FF OCT) to measure the 3D images and to sense the activity of rat cortex. QF FF OCT enables acquiring the en face sectional image with only two exposures. The principle of QF FF OCT and the 3D OCT images (4mm×4mm×2.9mm depth) of in situ rat cortex are introduced.

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