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Single detector-based absolute velocity measurement using spectral domain Doppler optical coherence tomography

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Abstract

We propose an approach for absolute velocity measurement where the use of a beam displacer provides two orthogonal linearly polarized beams to probe the sample simultaneously at two different incidence angles. The approach helps remove the cross talk image and facilitates single detector-based Fourier domain Doppler velocity measurement. The system has been characterized by quantifying absolute flow velocity in a flow phantom.

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Correspondence to P. K. Gupta.

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Kumar, S., Verma, Y., Sharma, P. et al. Single detector-based absolute velocity measurement using spectral domain Doppler optical coherence tomography. Appl. Phys. B 117, 395–399 (2014). https://doi.org/10.1007/s00340-014-5848-4

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  • DOI: https://doi.org/10.1007/s00340-014-5848-4

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