Spectral shaping for non-Gaussian source spectra in optical coherence tomography
Open Access
- 15 March 2002
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 27 (6), 406-408
- https://doi.org/10.1364/ol.27.000406
Abstract
We present a digital spectral shaping technique to reduce the sidelobes (ringing) of the axial point-spread function in optical coherence tomography for non-Gaussian-shaped source spectra. The spectra of two superluminescent diodes were combined to generate a spectrum with significant modulation. Images of onion cells demonstrate the improved image quality in a turbid biological sample. A quantitative analysis of the accompanying penalty in signal-to-noise ratio is given.Keywords
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