1. Endoscopic swept-source optical coherence tomography based on a two-axis microelectromechanical system mirror

    Endoscopic swept-source optical coherence tomography based on a two-axis microelectromechanical system mirror

    A microelectromechanical system (MEMS) mirror based endoscopic swept-source optical coherence tomography (SS-OCT) system that can perform three-dimensional (3-D) imaging at high speed is reported. The key component enabling 3-D endoscopic imaging is a two-axis MEMS scanning mirror which has a 0.8 × 0.8     mm 2 mirror plate and a 1.6 × 1.4     mm 2 device footprint. The diameter of the endoscopic probe is only 3.5 mm. The imaging rate of the SS-OCT system is 50     frames / s . OCT images of both human suspicious oral leukoplakia tissue and normal buccal mucosa were taken in vivo and compared. The ...

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