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Spectral Optical Coherence Tomography Using Two-Phase Shifting Method |
MA Zhen-He1;Ruikang K. Wang1,2;ZHANG Fan1;YAO Jian-Quan1 |
1Institute of Lasers and Optoelectronics, College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072
2Institute of BioScience and Technology, Cranfield University at Silsoe, Bedfordshire MK45 4DT, UK |
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Cite this article: |
MA Zhen-He, Ruikang K. Wang, ZHANG Fan et al 2005 Chin. Phys. Lett. 22 1909-1912 |
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Abstract A two-phase shifting method is introduced to eliminate the strong autocorrelation noise inherent in spectral optical coherence tomography and to mitigate the unwanted auto- and cross-coherent terms introduced by the reflections from various optical interfaces present in the system. Furthermore, this method is also able to amplify the desired signal by a factor of 2. The feasibility of such a method is demonstrated using a mirror-like object. An intact porcine cornea tissue in vitro is also used to show the potential of this method for biological imaging.
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Keywords:
42.62.Be
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Published: 01 August 2005
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