By combining incoherent time gating (sum-frequency mixing) with coherent gating (optical coherence tomography), we process light backscattered from a sample in the optical domain to improve imaging contrast by 29 dB.
© 2008 Optical Society of America
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(110.0110) Imaging systems : Imaging systems
(110.4500) Imaging systems : Optical coherence tomography
M. S. Muller and J. M. Fraser, "Time-Gated Infrared Fourier-Domain Optical Coherence Tomography," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CFM5.
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