Photonic metasurfaces for biophotonics

Tomasz Plaskocinski; Jianling Xiao; Mohammad Biabanifard; Saydulla Persheyev; Andrea Di Falco

doi:10.1117/12.2677384

5 October 2023 Photonic metasurfaces for biophotonics

Tomasz Plaskocinski, Jianling Xiao, Mohammad Biabanifard, Saydulla Persheyev, Andrea Di Falco

Proceedings Volume 12649, Optical Trapping and Optical Micromanipulation XX; 126490F (2023) https://doi.org/10.1117/12.2677384
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

We present an optical trapping platform that replicates the ease and precision of macroscopic level manipulation, such as holding, observing, squeezing, rotating, and probing biological specimens in microfluidic environments. Most modern biophotonics techniques tend to structure light or the local environment at scales comparable with that of the biological specimens under examination. However, the versatility of photonic functions that can be realized is often limited by the finite numerical aperture of the microscope objective used to access the samples. Lab-on-chip solutions, coupled with optical tweezing, offer appealing alternatives to this configuration. Here, we present a new biophotonic platform that integrates metasurface technology into the microfluidic environment. These artificial two-dimensional materials are extremely versatile, and their photonic response can be tailored to specific experimental requirements. Here we show that we can use photonic metasurfaces to create environment-dependent holographic imaging devices and create optical trapping potentials with efficiency comparable to that of high NA objectives. Additionally, we show that miniaturized metasurfaces suspended in the microfluidic chamber are extremely stable when trapped optically and can be used effectively to explore and interact with their surroundings. This innovative platform will have transformative benefits for microscopy and biophotonic applications at the interface of molecular and cell biology.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Tomasz Plaskocinski, Jianling Xiao, Mohammad Biabanifard, Saydulla Persheyev, and Andrea Di Falco "Photonic metasurfaces for biophotonics", Proc. SPIE 12649, Optical Trapping and Optical Micromanipulation XX, 126490F (5 October 2023); https://doi.org/10.1117/12.2677384

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