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Full-range parallel Fourier-domain optical coherence tomography using a spatial carrier frequency |
Applied Optics, Vol. 52, Issue 5, pp. 958-965 (2013)
http://dx.doi.org/10.1364/AO.52.000958
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Abstract
We propose a method of parallel full-range Fourier-domain optical coherence tomography (FDOCT) that is capable of acquiring an artifacts-free B-scan image by a single shot of a two-dimensional (2D) CCD camera. This method is based on a spatial carrier technique in which a spatial carrier-frequency is instantaneously introduced into the 2D spectral interferogram registered in parallel FDOCT by using a grating-generated line-reference beam. The spatial-carrier-contained 2D spectral interferogram is processed through Fourier transformation to obtain a complex 2D spectral interferogram, from which a full-range B-scan tomogram is reconstructed. The principle of our method is confirmed by imaging a tropical fish eye’s anterior chamber and a shrimp telson in vivo. The suppression ratio of the complex conjugate artifact can reach 36 dB.
© 2013 Optical Society of America
OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(200.4960) Optics in computing : Parallel processing
ToC Category:
Imaging Systems
History
Original Manuscript: July 20, 2012
Revised Manuscript: October 17, 2012
Manuscript Accepted: December 12, 2012
Published: February 7, 2013
Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics
Citation
Bingjie Huang, Peng Bu, Xiangzhao Wang, Nan Nan, and Xin Guo, "Full-range parallel Fourier-domain optical coherence tomography using a spatial carrier frequency," Appl. Opt. 52, 958-965 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-5-958
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