1 July 2004 Wideband light generation from a small core diameter single-mode optical fiber for high-resolution optical coherent tomography
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Abstract
Wideband light generation from a single mode optical fiber was investigated. Investigation showed that spectral structure of light broadened by self-phase modulation was not sensitive to fluctuations of the input pulse energy, and its intensity noise was much lower than that of contimuum light from a microstructure fiber. The spectral width of a femtosecond input laser pulse was successfully broadened by a factor of eleven, and a longitudinal resolution of OCT was improved from 35 to 3.7 μm. The system empoyed a dynamic focusing tracking method to maintain high lateral resolution over a large imaging depth.
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Yimin Wang, Ivan Tomov, J. Stuart Nelson, Zhongping Chen, Hyungsik Lim, Frank W. Wise, "Wideband light generation from a small core diameter single-mode optical fiber for high-resolution optical coherent tomography", Proc. SPIE 5316, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine VIII, (1 July 2004); doi: 10.1117/12.531118; https://doi.org/10.1117/12.531118
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