1. Optimization of the Source Power Usage in Spectral Domain Optical Coherence Tomography

    Optimization of the Source Power Usage in Spectral Domain  Optical Coherence Tomography

    Source power consumption and system sensitivity of a spectrometer based optical coherence tomography (SD-OCT) system are investigated. Our study shows that the performance of SD-OCT system can be classified into two categories based on the beam splitting ratio R between the sample and reference rams in the Michelson interferometer. For the classic SD-OCT configuration, R is less than 1.0, and improvement of sample light collection efficiency through reducing R will increase the cost of OCT source power. We find that through combining the detection and source arms of a Michelson interferometer together with a fiber optic circulator and choosing ...

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