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Numerical correction of coherence gate in full-field swept-source interference microscopy |
Optics Letters, Vol. 37, Issue 13, pp. 2529-2531 (2012)
http://dx.doi.org/10.1364/OL.37.002529
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Abstract
A big problem in low-coherence interference microscopy is the degradation of the coherence signal caused by shift of the angular and temporal spectrum gates. It limits the depth of field in confocal optical coherence microscopy and degrades images of sample inner structure in most interference microscopy techniques. To overcome this problem we propose numerical correction of the coherence gate in application to full-field swept-source interference microscopy. The proposed technique allows three-dimensional sample imaging without mechanical movement of the microscope components and is also capable of determining separately the geometrical thickness and the refractive index of the sample layers, when the sample contains a transversal pattern. The applicability of the proposed technique is verified with numerical simulation.
© 2012 Optical Society of America
OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(100.3010) Image processing : Image reconstruction techniques
(110.4500) Imaging systems : Optical coherence tomography
(180.3170) Microscopy : Interference microscopy
ToC Category:
Microscopy
History
Original Manuscript: January 19, 2012
Revised Manuscript: April 13, 2012
Manuscript Accepted: May 1, 2012
Published: June 21, 2012
Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Anton A. Grebenyuk and Vladimir P. Ryabukho, "Numerical correction of coherence gate in full-field swept-source interference microscopy," Opt. Lett. 37, 2529-2531 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-37-13-2529
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