Reflection and transmission of light in multilayers perturbed by picosecond strain pulse propagation
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概要
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We derive analytical formulas for the modulation of the reflectance and transmittance of light normally incident on a multilayer thin-film structure whose refractive indices are perturbed by an ultrashort optical pulse. The formulas, expressed in compact form, should prove useful for analysis of a wide range of ultrashort time-scale experiments on multilayers as well as longer time-scale photoacoustic and photothermal experiments based on optical probing. We demonstrate our method by the analysis of the modulated reflectance variation of a SiO2 /Cr structure in which picosecond acoustic pulses have been optically excited.
- Optical Society of Americaの論文
- 2002-12-02
Optical Society of America | 論文
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