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20 February 2006 Frequency domain second harmonic optical coherence tomography
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We report the development of a frequency domain second harmonic OCT system. The system uses a 170 fs pulses from Yb fiber laser and second harmonic spectrum is recorded by a 0.17 nm resolution spectrometer and thermoelectric cooled CCD detector. The system is applied to image biological tissue of the fish scales. Highly organized collagen fibrils can be visualized in the recorded images. The axial resolution of the frequency domain SH-OCT is 30 μm.
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Jianping Su, I. V. Tomov, Y. Jiang, and Zhongping Chen "Frequency domain second harmonic optical coherence tomography", Proc. SPIE 6079, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine X, 607901 (20 February 2006);

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