Raman probe on chip

Madhumidha Murugan; Patrícia Loren Inácio; Ganga Chinna Rao Devarapu; Liam O'Faolain

doi:10.1117/12.2541122

28 August 2019 Raman probe on chip

Madhumidha Murugan, Patrícia Loren Inácio, Ganga Chinna Rao Devarapu, Liam O'Faolain

Proceedings Volume 11199, Seventh European Workshop on Optical Fibre Sensors; 111991H (2019) https://doi.org/10.1117/12.2541122
Event: Seventh European Workshop on Optical Fibre Sensors, 2019, Limassol, Cyprus

Abstract

Raman spectroscopy (RS) is a non-destructive analytical technique, that provides a unique fingerprint of molecules with high accuracy. It proves to be a reliable and practical alternative to chemical analysis, allowing sample identification without the use of reagents. This label-free technique finds applications in quality control and in-line process monitoring, however, like any other technique RS also presents its challenges such as expensive and delicate instrumentation and complex design, which often confines the technique to the laboratory. In order to address these challenges, a 3D printed Lab-On-Chip (LOC) was fabricated and assembled with four channel optical fibres, which will collect the Raman scattering. The performance of our Raman Probe on Chip is evaluated using Isopropanol alcohol (IPA) as a validation sample.

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Madhumidha Murugan, Patrícia Loren Inácio, Ganga Chinna Rao Devarapu, and Liam O'Faolain "Raman probe on chip", Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 111991H (28 August 2019); https://doi.org/10.1117/12.2541122

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KEYWORDS

Raman spectroscopy

Lab on a chip

Signal to noise ratio

Optical fibers

Remote sensing

Spectrometers

Chemical analysis

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