Time-DomainThermoreflectance

2020-09-07 10:06  下载量：6

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Time-domain thermoreflectance (TDTR) is one of the most powerful methods to measure the thermal properties, most importantly thermal conductivity, of a wide range of bulk and thin film materials and their interface. The principle is to take advantage of the change in the reflectance of the surface to derive the thermal properties when a material is heated up. The set-up includes a pump and probe pulsed-lasers. The pump laser is utilized to generate acoustic pulses. The acoustic pulses could be at a transmittance or reflectance state at an interface, depending upon the properties of the interface. The probe laser will detect the reflecting acoustic pulses through a photodetector.

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天津多为莱博科技有限公司
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