A method of using the photothermal effect in the direct measurement of diffusivity of nanometer materials is reported.
报道了一种用激光光热效应直接测量纳米材料热扩散率的方法。
To compensate of the nonlinearity error of heterodyne interferometers in nanometer measurement, a method for reducing the first harmonic nonlinearity is proposed.
为了补偿激光外差干涉纳米测量中的非线性误差，提出了一种减小非线性误差的一次谐波方法。
In this dissertation, the technologies are studied which correlate to grating displacement measurement system with long-range displacement and nanometer resolution.
本文主要就大量程纳米级光栅位移测量系统的关键技术进行研究。
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