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Laser optoacoustic spectroscopy of gold nanorods within a highly scattering medium

机译:高散射介质中金纳米棒的激光光声光谱

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摘要

We describe a spectroscopic comparative analysis based on the optoacoustic technique over the wavelength range from 410 nm to 1000 nm using a Q-switched Nd:YAG pumped optical parametric oscillator tunable source on a gold nanostructure solution located within a highly scattering medium. The advantages of this method over standard spectroscopy techniques are the possibility to localize and monitor the spectroscopic response of absorbing materials located within turbid media. The operation is confirmed using a comparative analysis with the spectroscopic results obtained from a reference measurement scheme, based on a highly sensitive collimated optical transmission setup in parallel and under the same experimental conditions as the optoacoustic technique.
机译:我们描述了一种基于光声技术的光谱比较分析,该技术在410 nm至1000 nm的波长范围内使用位于高散射介质中的金纳米结构溶液上的Q开关Nd:YAG泵浦光参量振荡器可调源。与标准光谱技术相比,此方法的优势在于可以定位和监视位于混浊介质中的吸收材料的光谱响应。在与光声技术相同的实验条件下,基于并行的高灵敏度准直光学传输装置,使用从参考测量方案获得的光谱结果进行比较分析,确认了该操作。

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