Surface-enhanced in-situ Raman-sensor applied in the arctic area for analyses of water and sediment

Anna Kolomijeca; Yong-Hyok Kwon; Heinz-Detlef Kronfeldt

doi:10.1117/12.918250

9 May 2012 Surface-enhanced in-situ Raman-sensor applied in the arctic area for analyses of water and sediment

Anna Kolomijeca, Yong-Hyok Kwon, Heinz-Detlef Kronfeldt

Proceedings Volume 8366, Advanced Environmental, Chemical, and Biological Sensing Technologies IX; 83660A (2012) https://doi.org/10.1117/12.918250
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

Investigations on the seafloor in the arctic area are of great scientific interest as well as of progressive economic importance. Therefore, measurements in the water column and of sediments were carried out by applying different analytical methods. In JCR 253 arctic cruise a microsystem diode laser with reflection Bragg grating emitting at 671 nm was introduced and integrated into an optode housing which was laboratory pressure tested up to 200 bar. The connection to the mobile spectrometer is realized through an optical fiber. All performed measurements were carried out on the James-Clark-Ross research vessel during a three week experiment in August 2011. Conventional Raman spectra and SERS spectra of arctic surface water and sediment acquired from locations around 78° N and 9° E will be presented. Selected SERS substrates developed for SERS measurements in sea-water were tested for their capability to detect different substances in the water down to very small (pmol/l) concentrations. Additionally, the applicability of shifted excitation Raman difference spectroscopy (SERDS) and a combination of SERS with SERDS for analytical applications during sea-trials for in-situ analyses of sea-water and sediments will be discussed.

Citation Download Citation

Anna Kolomijeca, Yong-Hyok Kwon, and Heinz-Detlef Kronfeldt "Surface-enhanced in-situ Raman-sensor applied in the arctic area for analyses of water and sediment", Proc. SPIE 8366, Advanced Environmental, Chemical, and Biological Sensing Technologies IX, 83660A (9 May 2012); https://doi.org/10.1117/12.918250

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