Absolute phase measurement in heterodyne detection of transient gratings |
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| Authors: | Gedik Nuh Orenstein Joseph |
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| Institution: | Materials Sciences Division, Lawrence Berkeley National Laboratory and Department of Physics, University of California, Berkeley, Berkeley, California 94720, USA. gedik@socrates.berkeley.edu |
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| Abstract: | We present a method of measuring the absolute phase in heterodyne-detected transient grating experiments. The method permits direct and sensitive characterization of the amplitude and phase of the grating parameters. We also present a convenient implementation of this technique and demonstrate its efficacy in a cuprate superconductor. |
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