
Proceedings Paper
Silicon ATR crystal with subwavelength structures optimized for blood analysisFormat | Member Price | Non-Member Price |
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Paper Abstract
Using infrared spectroscopy for blood analysis has a high potential. In order to bring infrared spectroscopy to clinics, a cost-effective sampling approach, high sample throughput, small sample sizes (< 15μl) and a low detection limit are required. A novel ATR crystal with subwavelength structures on the sampling side was developed and fabricated. The structures and the analyte form an effective medium layer, which supports destructive interference. The absorption signal can be enhanced by at least one order of magnitude. The microstructures also act as a micro sieve that replaces blood centrifugation. The enhancement can be optimized for wavelength regions of interest by changing the dimensions of the microstructures. First steps towards the solution of this high dimensional inverse design problem were made with different neural network architectures.
Paper Details
Date Published: 27 February 2019
PDF: 7 pages
Proc. SPIE 10872, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX, 108720F (27 February 2019); doi: 10.1117/12.2513295
Published in SPIE Proceedings Vol. 10872:
Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX
Israel Gannot, Editor(s)
PDF: 7 pages
Proc. SPIE 10872, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX, 108720F (27 February 2019); doi: 10.1117/12.2513295
Show Author Affiliations
Lorenz Sykora, Technische Univ. München (Germany)
IRUBIS GmbH (Germany)
Anja Müller, Technische Univ. München (Germany)
IRUBIS GmbH (Germany)
Alexander Kondratiev, Johann Wolfgang Goethe-Univ. (Germany)
Andreas Roth, Goethe-Univ. Frankfurt am Main (Germany)
IRUBIS GmbH (Germany)
Anja Müller, Technische Univ. München (Germany)
IRUBIS GmbH (Germany)
Alexander Kondratiev, Johann Wolfgang Goethe-Univ. (Germany)
Andreas Roth, Goethe-Univ. Frankfurt am Main (Germany)
Vitalii Mozin, Technische Univ. München (Germany)
Axel Fehr, Technische Univ. München (Germany)
Gloria Zörnack, Technische Univ. München (Germany)
Axel Fehr, Technische Univ. München (Germany)
Gloria Zörnack, Technische Univ. München (Germany)
Published in SPIE Proceedings Vol. 10872:
Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX
Israel Gannot, Editor(s)
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