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Conferences > OTS > 2016 > OTu4C > OTu4C.7

Dual Optical Lock-In for Ultrasensitive Photothermal Effect Detection

Patrycjusz Stremplewski, Justyna Grzelak, Magdalena Twardowska, Ireneusz Grulkowski, Sebastian Mackowski, and Maciej Wojtkowski

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Abstract

We develop interferometric technique combined with Dual Optical Lock-In to enable sensitive detection of photothermal signal. The method is used to image thin layers of gold nanoparticles.

© 2016 Optical Society of America

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