Three-dimensional temperature imaging around a gold microwire

Abstract : We report on the temperature mapping around a resistively heated gold microwire. The temperature is determined by measuring the thermal-induced distortion of an incident optical wavefront crossing the system. The optical technique we introduce herein allows, in addition to 3-dimensional temperature measurements, a retrieval of the heat source density at optical resolution. Experimental results are supported by finite element simulations and electric measurements. Applications are envisioned in microelectronics, microfluidics or nanochemistry.
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Submitted on : Friday, November 15, 2013 - 5:52:17 AM
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Pierre Bon, Nadia Belaid, Denis Lagrange, Christian Bergaud, Hervé Rigneault, et al.. Three-dimensional temperature imaging around a gold microwire. Applied Physics Letters, American Institute of Physics, 2013, 102, pp.244103. ⟨10.1063/1.4811557⟩. ⟨hal-00904675⟩

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