1. Automatic spectral calibration for polarization-sensitive optical coherence tomography

    Automatic spectral calibration for polarization-sensitive optical coherence tomography

    Accurate wavelength assignment is important for Fourier domain polarizationsensitive optical coherence tomography. Incorrect wavelength mapping between the orthogonal horizontal (H) and vertical (V) polarization channels leads to broadening the axial point spread function and generating polarization artifacts. To solve the problem, we propose an automatic spectral calibration method by seeking the optimal calibration coefficient between wavenumber kH and kV. The method first performs a rough calibration to get the relationship between the wavelength λ and the pixel number x of the CCD for each channel. And then a precise calibration is taken to bring both polarization interferograms in the same k ...

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