Opto-thermal assembly of three-dimensional photonic crystals

Diptabrata Paul; Desmond Quinn; Frank Cichos

doi:10.1117/12.2681109

5 October 2023 Opto-thermal assembly of three-dimensional photonic crystals

Diptabrata Paul, Desmond Quinn, Frank Cichos

Proceedings Volume PC12649, Optical Trapping and Optical Micromanipulation XX; PC1264913 (2023) https://doi.org/10.1117/12.2681109
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

We show assembly of functional and reconfigurable three-dimensional photonic crystals aided by opto-thermal effects due to localized optical heating of a thin gold film on a glass substrate. The optical stop bands of the photonic crystals are probed using Fourier plane imaging and angle resolved spectroscopy of locally excited dye molecules present in the solution. Additionally, dark field scattering spectroscopy indicates the structural colors of the assembled structures and changes with the lattice constants. The results have direct implications for low power manipulation and assembly of functional photonic structures.

Conference Presentation

Citation Download Citation

Diptabrata Paul, Desmond Quinn, and Frank Cichos "Opto-thermal assembly of three-dimensional photonic crystals", Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC1264913 (5 October 2023); https://doi.org/10.1117/12.2681109

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