Enhancement of acoustic-wave induced reflection changes through surface plasmon polaritons

Thomas J. van den Hooven; Guido de Haan; Paul C. M. Planken

doi:10.1117/12.2614383

26 May 2022 Enhancement of acoustic-wave induced reflection changes through surface plasmon polaritons

Thomas J. van den Hooven, Guido de Haan, Paul C. M. Planken

Proceedings Volume 12053, Metrology, Inspection, and Process Control XXXVI; 1205305 (2022) https://doi.org/10.1117/12.2614383
Event: SPIE Advanced Lithography + Patterning, 2022, San Jose, California, United States

Abstract

We report on enhanced detection of strain waves in gold gratings, using a probe laser pulse tuned at and close to the surface plasmon-polariton (SPP) resonance of the gratings. The enhancement, of up to twenty times, is observed in the strain-wave-induced reaction changes and depends on the type of acoustic wave. For the surface acoustic wave, the enhancement of the optical reaction is greatest at the peak of the resonance, while strain-wave-induced reaction changes of other types of strain waves show their strongest enhancement when the probe pulse is tuned to the wings of the SPP resonance.

Conference Presentation

Citation Download Citation

Thomas J. van den Hooven, Guido de Haan, and Paul C. M. Planken "Enhancement of acoustic-wave induced reflection changes through surface plasmon polaritons", Proc. SPIE 12053, Metrology, Inspection, and Process Control XXXVI, 1205305 (26 May 2022); https://doi.org/10.1117/12.2614383

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