We present an analysis of these effects and demonstrate a simple, yet powerful technique to eliminate these coherence artifacts. The technique relies on a superposition of the signal field with a coherent auxiliary SH-field of controllable phase and amplitude and allows a direct observation of the true χ(2)-morphology of the interface.
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Recieved: 20 September 1998
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Reider, G., Cernusca, M. & Hofer, M. Coherence artifacts in second harmonic microscopy . Appl Phys B 68, 343–347 (1999). https://doi.org/10.1007/s003400050629
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DOI: https://doi.org/10.1007/s003400050629