著者
Makita Shuichi Jaillon Franck Yamanari Masahiro Yasuno Yoshiaki
出版者
Optical Society of America
雑誌
Optics Express (ISSN:10944087)
巻号頁・発行日
vol.30, no.2, pp.2681-2692, 2012-01
被引用文献数
6 3

Dual-beam-scan Doppler optical coherence angiography (DB-OCA) enables high-speed, high-sensitivity blood flow imaging. However, birefringence of biological tissues is an obstacle to vasculature imaging. Here, the influence of polarization and birefringence on DB-OCA imaging was analyzed. A DB-OCA system without birefringence artifact has been developed by introducing a Faraday rotator. The performance was confirmed in vitro using chicken muscle and in vivo using the human eye. Birefringence artifacts due to birefringent tissues were suppressed. Micro-vasculatures in the lamina cribrosa and nerve fiber layer of human eyes were visualized in vivo. High-speed and high-sensitivity micro-vasculature imaging involving birefringent tissues is available with polarization multiplexing DB-OCA.

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