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Analytical-Instrumentation

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Neutron diffraction can be used to measure strain, stress, and temperature in ordered materials based on shifts in their diffraction peaks, and conventional in-situ measurements of these properties for internal combustion engines are either sparsely available or non-existent.

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The invention provides a system and method for determining parameters of a tow. The system is configured to measure the profile of tows, such as tow width, thickness, and identification and quantification of tow fuzz.

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Here we introduce a new approach to expand the utility of vibrational sum-frequency generation spectroscopy using a pulse method. We demonstrate that pulse can be specified to match experimental requirements without the need for any changes to the optical alignment.