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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 24 — Dec. 15, 2007
  • pp: 3525–3527

Fourier domain optical coherence tomography with a linear-in-wavenumber spectrometer

Zhilin Hu and Andrew M. Rollins  »View Author Affiliations


Optics Letters, Vol. 32, Issue 24, pp. 3525-3527 (2007)
http://dx.doi.org/10.1364/OL.32.003525


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Abstract

We describe Fourier domain optical coherence tomography equipped with a novel linear-in-wavenumber spectrometer. The presented device linearizes the spectral dispersion of the spectrometer in wavenumber using a specifically designed prism. The spectral linearity in wavenumber makes numerical interpolation into wavenumber unnecessary, reduces computing time, and furthermore results in improvement of the falloff of signal with image range inherent to frequency-domain optical coherence tomography imaging. Experiments demonstrate the improvement of the falloff and agree with the expected results from simulation.

© 2007 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(110.4500) Imaging systems : Optical coherence tomography
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(300.6190) Spectroscopy : Spectrometers
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms

ToC Category:
Spectroscopy

History
Original Manuscript: August 16, 2007
Manuscript Accepted: October 9, 2007
Published: December 10, 2007

Virtual Issues
Vol. 3, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Zhilin Hu and Andrew M. Rollins, "Fourier domain optical coherence tomography with a linear-in-wavenumber spectrometer," Opt. Lett. 32, 3525-3527 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-24-3525


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