Abstract
In this paper, we present a tailored multiwavelength Yb-fiber laser source in the 1.03μm spectral region for spatially multiplexed digital holographic acquisitions. The wavelengths with bandwidths below 0.1nm were spectrally separated by approximately 1nm by employing fiber Bragg gratings for spectral control. As a proof of concept, the shape of a cylindrically shaped object with a diameter of 48mm was measured. The holographic acquisition was performed in single-shot dual-wavelength mode with a synthetic wavelength of 1.1mm, and the accuracy was estimated to be 3% of the synthetic wavelength.
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