Search Results - "Vartiainen, Erik M."

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  1. 1

    Quantitative Coherent Anti-Stokes Raman Scattering (CARS) Microscopy by Day, James P. R, Domke, Katrin F, Rago, Gianluca, Kano, Hideaki, Hamaguchi, Hiro-o, Vartiainen, Erik M, Bonn, Mischa

    Published in The journal of physical chemistry. B (23-06-2011)
    “…The ability to observe samples qualitatively at the microscopic scale has greatly enhanced our understanding of the physical and biological world throughout…”
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    Journal Article
  2. 2

    Direct extraction of Raman line-shapes from congested CARS spectra by Vartiainen, Erik M, Rinia, Hilde A, Müller, Michiel, Bonn, Mischa

    Published in Optics express (17-04-2006)
    “…We show that Raman line-shapes can be extracted directly from congested coherent anti-Stokes Raman scattering (CARS) spectra, by using a numerical method to…”
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  3. 3

    Spatial localization of hotspots in Fano-resonant plasmonic oligomers for surface-enhanced coherent anti-Stokes Raman scattering by Dutta, Arpan, Vartiainen, Erik M.

    “…Realization of Fano resonance in plasmonic oligomers is often exploited to design efficient plasmonic substrates for surface-enhanced coherent anti-Stokes…”
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  4. 4

    Quantitative CARS Spectroscopy Using the Maximum Entropy Method: The Main Lipid Phase Transition by Rinia, Hilde A., Bonn, Mischa, Müller, Michiel, Vartiainen, Erik M.

    Published in Chemphyschem (02-02-2007)
    “…The maximum entropy method for phase retrieval of multiplex coherent anti‐Stokes Raman scattering (CARS) spectra is described in detail and applied to the…”
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  5. 5

    Causality-based method for determining the time origin in terahertz emission spectroscopy by Unuma, Takeya, Ino, Yusuke, Peiponen, Kai-Erik, Vartiainen, Erik M, Kuwata-Gonokami, Makoto, Hirakawa, Kazuhiko

    Published in Optics express (20-06-2011)
    “…We propose a method for determining the time origin on the basis of causality in terahertz (THz) emission spectroscopy. The method is formulated in terms of…”
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  6. 6

    Determination of the time origin by the maximum entropy method in time-domain terahertz emission spectroscopy by Unuma, Takeya, Ino, Yusuke, Kuwata-Gonokami, Makoto, Vartiainen, Erik M, Peiponen, Kai-Erik, Hirakawa, Kazuhiko

    Published in Optics express (19-07-2010)
    “…We have developed a scheme for determining the time origin by the maximum entropy method (MEM) in time-domain terahertz (THz) emission spectroscopy. By…”
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  7. 7

    Effect of non-resonant background on the extraction of Raman signals from CARS spectra using deep neural networks by Junjuri, Rajendhar, Saghi, Ali, Lensu, Lasse, Vartiainen, Erik M

    Published in RSC advances (10-10-2022)
    “…We report the retrieval of the Raman signal from coherent anti-Stokes Raman scattering (CARS) spectra using a convolutional neural network (CNN) model. Three…”
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    Journal Article
  8. 8

    Bayesian Quantification for Coherent Anti-Stokes Raman Scattering Spectroscopy by Härkönen, Teemu, Roininen, Lassi, Moores, Matthew T, Vartiainen, Erik M

    Published in The journal of physical chemistry. B (13-08-2020)
    “…We propose a Bayesian statistical model for analyzing coherent anti-Stokes Raman scattering (CARS) spectra. Our quantitative analysis includes statistical…”
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  10. 10

    Wavelet prism decomposition analysis applied to CARS spectroscopy: a tool for accurate and quantitative extraction of resonant vibrational responses by Kan, Yelena, Lensu, Lasse, Hehl, Gregor, Volkmer, Andreas, Vartiainen, Erik M

    Published in Optics express (30-05-2016)
    “…We propose an approach, based on wavelet prism decomposition analysis, for correcting experimental artefacts in a coherent anti-Stokes Raman scattering (CARS)…”
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  11. 11

    Optical and terahertz spectra analysis by the maximum entropy method by Vartiainen, Erik M, Peiponen, Kai-Erik

    Published in Reports on progress in physics (01-06-2013)
    “…Phase retrieval is one of the classical problems in various fields of physics including x-ray crystallography, astronomy and spectroscopy. It arises when only…”
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  12. 12

    Retrieval of the effective complex refractive index of Bruggeman nanoliquids from surface plasmon resonance reflectance using the maximum entropy method by SAARINEN, Jarkko J, VARTIAINEN, Erik M, PEIPONEN, Kai-Erik

    Published in Journal of modern optics (20-05-2006)
    “…We show that surface plasmon resonance reflectance measurement can be used to extract the effective complex refractive index of a Bruggeman nanoliquid, i.e. a…”
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    Journal Article
  13. 13

    Dispersion relations for evaluating the complex refractive index of medium without the information of its thickness by Peiponen, Kai-Erik, Vartiainen, Erik M., Unuma, Takeya, Axel Zeitler, J., Silfsten, Pertti, Venäläinen, Tapani, Kishida, Hideo

    Published in Applied physics letters (06-05-2013)
    “…A general method to obtain the complex refractive index of a medium from absorbance, or alternatively from optical path length data, without knowing the sample…”
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  14. 14
  15. 15

    Surface plasmon resonance reflectance from nanoparticles in a liquid matrix: Retrieval of the optical properties using the maximum entropy model by Saarinen, Jarkko J., Vartiainen, Erik M., Peiponen, Kai-Erik

    Published in Sensors and actuators. B, Chemical (24-04-2009)
    “…This paper summarizes recent developments in phase retrieval methods from surface plasmon resonance reflectance that are applied in the extraction of the…”
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    Journal Article
  16. 16

    Spectroscopic analysis of the oxygenation state of hemoglobin using coherent anti-Stokes Raman scattering by Rinia, Hilde A, Bonn, Mischa, Vartiainen, Erik M, Schaffer, Chris B, Müller, Michiel

    Published in Journal of biomedical optics (01-09-2006)
    “…A method for noninvasively determining blood oxygenation in individual vessels inside bulk tissue would provide a powerful tool for biomedical research. We…”
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  17. 17

    On the relevance of hyperparameter optimization of convolutional neural networks for retrieving spectral signals by Saghi, Ali, Lensu, Lasse, Vartiainen, Erik M.

    Published in Optics continuum (15-08-2024)
    “…Coherent anti-Stokes Raman scattering (CARS) is a third-order nonlinear optical process used in spectroscopy to analyze molecular structures. One significant…”
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  19. 19

    Semi-synthetic data generation to fine-tune a convolutional neural network for retrieving Raman signals from CARS spectra by Saghi, Ali, Junjuri, Rajendhar, Lensu, Lasse, Vartiainen, Erik M.

    Published in Optics continuum (15-11-2022)
    “…Coherent anti-Stokes Raman scattering (CARS) is a well-known third-order non-linear spectroscopic technique utilized to analyze the molecule structures…”
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  20. 20

    Convolutional neural network-based retrieval of Raman signals from CARS spectra by Junjuri, Rajendhar, Saghi, Ali, Lensu, Lasse, Vartiainen, Erik M.

    Published in Optics continuum (15-06-2022)
    “…We report the studies on the automatic extraction of the Raman signal from coherent anti-Stokes Raman scattering (CARS) spectra by using a convolutional neural…”
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    Journal Article