期刊
OPTICS EXPRESS
卷 18, 期 12, 页码 12727-12735出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.012727
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资金
- National Institutes for Health [1RC1CA145105]
- Duke University
We have recently developed a spectral re-shaping technique to simultaneously measure nonlinear refractive index and nonlinear absorption. In this technique, the information about the nonlinearities is encoded in the frequency domain, rather than in the spatial domain as in the conventional Z-scan method. Here we show that frequency encoding is much more robust with respect to scattering. We compare spectral re-shaping and Z-scan measurements in a highly scattering environment and show that reliable spectral re-shaping measurements can be performed even in a regime that precludes standard Z-scans. (C) 2010 Optical Society of America
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