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Optics Letters

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  • Vol. 27, Iss. 6 — Mar. 15, 2002
  • pp: 406–408

Spectral shaping for non-Gaussian source spectra in optical coherence tomography

Renu Tripathi, Nader Nassif, J. Stuart Nelson, Boris Hyle Park, and Johannes F. de Boer  »View Author Affiliations


Optics Letters, Vol. 27, Issue 6, pp. 406-408 (2002)
http://dx.doi.org/10.1364/OL.27.000406


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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.

© 2002 Optical Society of America

OCIS Codes
(110.4850) Imaging systems : Optical transfer functions
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.4500) Medical optics and biotechnology : Optical coherence tomography

Citation
Renu Tripathi, Nader Nassif, J. Stuart Nelson, Boris Hyle Park, and Johannes F. de Boer, "Spectral shaping for non-Gaussian source spectra in optical coherence tomography," Opt. Lett. 27, 406-408 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-6-406


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References

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