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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 4 — Feb. 15, 2004
  • pp: 364–366

Sequential optical coherence tomography and confocal imaging

Adrian Gh. Podoleanu, George M. Dobre, Radu G. Cucu, and Richard B. Rosen  »View Author Affiliations


Optics Letters, Vol. 29, Issue 4, pp. 364-366 (2004)
http://dx.doi.org/10.1364/OL.29.000364


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Abstract

We report a system capable of sequentially acquiring two en-face images of different depth resolutions. The two images are generated by use of different principles, optical coherence tomography (OCT) and confocal microscopy, and have depth resolutions, at present, of better than 20 μm and over 0.12 mm, respectively. The lower-depth-resolution image is ideal for target positioning before collection of stacks of en-face OCT images. Switching between the two types of image by flipping an opaque screen in the reference arm, coupled with self-adjusting gain operation of avalanche photodiodes in the receiver. We illustrate the usefulness of the system by imaging a leaf and an optic nerve in vivo.

© 2004 Optical Society of America

OCIS Codes
(110.4190) Imaging systems : Multiple imaging
(110.6960) Imaging systems : Tomography
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography

Citation
Adrian Gh. Podoleanu, George M. Dobre, Radu G. Cucu, and Richard B. Rosen, "Sequential optical coherence tomography and confocal imaging," Opt. Lett. 29, 364-366 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-4-364


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