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Optics Letters

Optics Letters


  • Vol. 27, Iss. 22 — Nov. 15, 2002
  • pp: 1998–2000

Real-time dispersion compensation in scanning interferometry

Elwyn D. J. Smith, Andrei V. Zvyagin, and David D. Sampson  »View Author Affiliations

Optics Letters, Vol. 27, Issue 22, pp. 1998-2000 (2002)

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We propose and demonstrate a method of real-time dispersion compensation suitable for scanning interferometry and optical coherence tomography. Static grating tilt in a scanning frequency-domain optical delay line is shown to produce dispersion that is linearly proportional to scan position, and we use this property to achieve depth-dependent dispersion compensation during an interferometric scan through a dispersive sample.

© 2002 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(120.1840) Instrumentation, measurement, and metrology : Densitometers, reflectometers
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(260.2030) Physical optics : Dispersion
(320.5540) Ultrafast optics : Pulse shaping

Elwyn D. J. Smith, Andrei V. Zvyagin, and David D. Sampson, "Real-time dispersion compensation in scanning interferometry," Opt. Lett. 27, 1998-2000 (2002)

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