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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 35 — Dec. 10, 2007
  • pp: 8499–8505

Analytical model of spectrometer-based two-beam spectral interferometry

Zhilin Hu, Yinsheng Pan, and Andrew M. Rollins  »View Author Affiliations


Applied Optics, Vol. 46, Issue 35, pp. 8499-8505 (2007)
http://dx.doi.org/10.1364/AO.46.008499


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Abstract

We report an analytical model of signal formation in spectrometer-based two-beam spectral interferometry. Considering the pixel size, the optical resolution and the spectral resolution of the spectrometer, and dispersion, the model represents the signal recorded by a spectrometer based on a diffraction grating and linear detector array. The model is general, but degenerates to more familiar forms with simplifying assumptions. The model is validated by comparison with experimental measurements, where it is shown that the model can accurately predict both signal fall-off and axial resolution for Fourier-domain optical coherence tomography imaging. The model may be useful for determining design specifications and expected performance parameters for spectrometers for spectral interferometry.

© 2007 Optical Society of America

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(300.6190) Spectroscopy : Spectrometers

ToC Category:
Spectroscopy

History
Original Manuscript: April 25, 2007
Revised Manuscript: October 10, 2007
Manuscript Accepted: October 24, 2007
Published: December 7, 2007

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

Citation
Zhilin Hu, Yinsheng Pan, and Andrew M. Rollins, "Analytical model of spectrometer-based two-beam spectral interferometry," Appl. Opt. 46, 8499-8505 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-35-8499

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