1. High sensitivity phase mapping with parallel Fourier domain optical coherence tomography at 512 000 A-scan/s

    High sensitivity phase mapping with parallel Fourier domain optical coherence tomography at 512 000 A-scan/s

    In this paper we present an ultra high speed and highly phase sensitive line-field FD-OCT system for quantitative phase mapping. The system works with a maximum speed of 512 000 A-scan/s (1000 fps) in real time mode. Along the parallel recorded direction excellent phase stability corresponding to a path length variation of only 510 pm was measured. We demonstrate how to exploit this phase accuracy for fast chemical analysis of glucose mixture processes. The system has particular potential for studying micro-fluidic processes.

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