Temporal Evolution of Fluorescence Signal Retaining Bessel beam Illumination for Optical Trapping of Gold Nanoparticles

Riya Choudhary; Samir K. Mondal; Sachin Kumar Srivastava; Sachin Kumar Srivastava

doi:10.1364/AIS.2023.JW2A.12

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper JW2A.12
•https://doi.org/10.1364/AIS.2023.JW2A.12

Temporal Evolution of Fluorescence Signal Retaining Bessel beam Illumination for Optical Trapping of Gold Nanoparticles

Riya Choudhary, Samir K. Mondal, and Sachin Kumar Srivastava

Optical Sensors 2023

Munich Germany
30 July–3 August 2023
ISBN: 978-1-957171-24-1

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Joint Poster Session II and Coffee Break with Exhibitors (JW2A)

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R. Choudhary, S. K. Mondal, and S. K. Srivastava, "Temporal Evolution of Fluorescence Signal Retaining Bessel beam Illumination for Optical Trapping of Gold Nanoparticles," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper JW2A.12.

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Abstract

Temporal evolution of fluorescence signal of rhodamine-6G for trapping of colloidal gold nanoparticles using Bessel beam illumination was studied for surface-enhanced fluorescence (SEF) based sensors. A stable SEF signal was achieved after 4-minutes of trapping.

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