1. Evaluation of signal degradation due to birefringence in a multiple reference optical coherence tomography system with polarization-based balanced detection

    Evaluation of signal degradation due to birefringence in a multiple reference optical coherence tomography system with polarization-based balanced detection

    Although time-domain optical coherence tomog- raphy (TD-OCT) systems are straightforward to realize, the imaging speed, sensitivity, and imaging depth limit their range of applications. Multiple reference optical coherence tomography (MR-OCT) based on TD-OCT increases imaging range by about tenfold while providing sensitivity to image highly scattering biological samples. The multiple path-delays and free- space construction make MR-OCT also interesting for hybrid and compact systems, filling the gap between fibre-based and wafer-level integrated optical systems. We describe an optical configuration using a balanced detection scheme and the resulting signal properties due to the required use of polarizing optical components. We numerically ...

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