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    1. High-speed phase-stable swept source optical coherence tomography: functional imaging and biomedical applications (Thesis)

      High-speed phase-stable swept source optical coherence tomography: functional imaging and biomedical applications (Thesis)

      In the past decades, the performance of swept source optical coherence tomography (SS-OCT) has experienced an unprecedented improvement which is mainly driven by the rapidly evolving laser technologies: the state-of-art SS-OCT is now tens of dB more sensitive, six orders of magnitude faster, and seeing ten times deeper than the original version of time domain OCT. Regardless of the abovementioned progress, the phase instability is always considered the biggest weakness of SS-OCT and the mainstream belief often states that the mechanical tuning mechanism of the swept source is to blame. In my study, I first developed a high-speed phase-stable SS-OCT ...

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    2. Ultrahigh resolution spectral domain optical coherence tomography and its functional extension for human myocardium and breast tissue imaging (Thesis)

      Ultrahigh resolution spectral domain optical coherence tomography and its functional extension for human myocardium and breast tissue imaging (Thesis)

      Over the past 25 years of development and innovation, optical coherence tomography (OCT) has successfully fills the gap between the ex vivo high-resolution optical microscopy technologies and in vivo low-resolution medical imaging modalities, including computed tomography (CT), magnetic resonance imaging (MRI), ultrasound (US). Ultrahigh resolution (UHR) OCT categorizes OCT systems with an axial resolution below 3 µm in tissue. With the improved resolution, UHR OCT may impart the knowledge of detailed structures of the tissues that are almost close to what histology may provide. This is how UHR OCT can act as a bridge between radiology and histology. This thesis ...

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