University of Bern

Institute of Applied Physics

Publications

Articles in Journals

Stefan Preisser, Gerrit Held, Hidayet G Akarçay, Michael Jaeger, Martin Frenz: Study of clutter origin in in-vivo epi-optoacoustic imaging of human forearms, Journal of Optics, vol.: 18, pp.: 094003, 2016 doi pdf [3.90 MB]Details
K.Gerrit Held, Michael Jaeger, Jaro Ricka, Martin Frenz, H. Günhan Akarcay: Multiple irradiation sensing of the optical e ffective attenuation coefficient for spectral correction in handheld OA imaging, Photoacoustics, ed.: V. Ntziachristos, vol.: 4, no.: 2, pp.: 70-80, 2016 doi pdf [2.67 MB]Details
Michael Jaeger, Elise Robinson, H. Günhan Akarçay, Martin Frenz: Full correction for spatially distributed speed-of-sound in echo ultrasound based on measuring aberration delays via transmit beam steering, Physics in Medicine and Biology , ed.: Simon R. Cherry, vol.: 60, pp.: 4497-4515, 2015 doi pdf [0.72 MB]Details
Michael Jaeger et al.: Real-time clinical clutter reduction in combined epi-optoacoustic and ultrasound imaging, Photonics & Lasers in Medicine, ed.: Frank Frank, Lothar Lilge, Carsten M. Philip, Ronald Sroka, vol.: 3, no.: 4, pp.: 343-349, 2014 doi pdf [0.83 MB]Details
K. Gerrit Held et al.: Effect of irradiation distance on image contrast in epi-optoacoustic imaging of human volunteers, Biomedical Optics Express, ed.: Joseph A. Izatt, vol.: 5, no.: 11, pp.: 3765-3780, 2014 doi pdf [4.45 MB]Details
Arnd Brandes, Ahmed Elmaklizi, H. Günhan Akarçay, Alwin Kienle: Modeling the Tight Focusing of Beams in Absorbing Media with Monte Carlo Simulations, Journal Of Biomedical Optics, ed.: Lihong V. Wang, vol.: 19, no.: 11, pp.: 115003, 2014 doi pdf [3.53 MB]Details
H. Günhan Akarçay, Ansgar Hohmann, Alwin Kienle, Jaro Ricka, Martin Frenz: Monte Carlo modeling of polarized light propagation: Stokes vs Jones - Part II, Applied Optics, ed.: Joseph N. Mait, vol.: 53, no.: 31, pp.: 7586-7602, 2014 doi pdf [1.83 MB]Details
H. Günhan Akarçay, Ansgar Hohmann, Alwin Kienle, Martin Frenz, Jaro Ricka : Monte Carlo modeling of polarized light propagation: Stokes vs Jones - Part I , Applied Optics, ed.: Joseph N. Mait, vol.: 53, no.: 31, pp.: 7576-7585, 2014 doi pdf [0.38 MB]Details
H. Günhan Akarçay, Stefan Preisser, Martin Frenz, Jaro Ricka : Determining the optical properties of a gelatin-TiO2 phantom at 780nm, Biomedical Optics Express, vol.: 3, no.: 3, pp.: 418-434, 2012 doi pdf [1.65 MB]Details

Articles in Conference Proceedings

K. Gerrit Held, Michael Jaeger, Martin Frenz, H.Günhan Akarcay: Spectral correction of OA signals based on multiple irradiation sensing: experimental validation, in: Photons Plus Ultrasound: Imaging and Sensing 2016, ed.: Alexander Oraevsky and Lihong Wang, vol.: 9708, pp.: 97081E 1-9, 2016 doi pdf [1.42 MB]Details
Hidayet G. Akarçay, Jaro Ricka: Simulating light propagation: towards realistic tissue models, in: Proc. SPIE 8088, 80880K, 2011 doiDetails

Doctoral Theses

Hidayet Guenhan Akarcay: Polarized light propagation in biological tissue: towards realistic modeling, Philosophisch-Naturwissenschaftliche Fakultät, Universität Bern, Bern, Switzerland, 2011 pdf [16.26 MB]Details

Posters

K. Gerrit Held, Michael Jaeger, Martin Frenz, H. Günhan Akarcay: SO2 determination in heterogeneous & arbitrary shaped tissue phantoms using multiple irradiation sensing, Biomedical Photonic Network (BMPN), Zürich, 28 Nov 2016Details
K. Gerrit Held, Michael Jaeger, Martin Frenz, H. Günhan Akarcay : Quantitative Optoacoustic imaging: Multiple irradiation sensing for spectral correction, Annual meeting Biomedical Photonics Network (BMPN), Biel/Bienne, 11 Dec 2015Details
K. Gerrit Held et al.: Quantitative optoacoustic imaging: Optoacoustic measurements of optical effective attenuation for multi-wavelength fluence compensation, Intenational Graduate Summer School, Biophotonics, Island of Ven, Sweden, 6 Jun 2015 pdf [1.40 MB]Details
H. Gunhan Akarcay et al.: Determining the optical effective attenuation coefficient of tissues from optoacoustic measurements, PostDoc Day 2015, Au, Zurich, 21 May 2015Details
H. Gunhan Akarcay, Ansgar Hohmann, Alwin Kienle, Martin Frenz, Jaro Ricka : Stokes vs. Jones: comparing two independent polarized Monte Carlo programs , SPIE BiOS, Biomedical Applications of Light Scattering IX, San Francisco, 7 Feb 2015Details
H. Günhan Akarçay, Ansgar Hohmann, Alwin Kienle, Jaro Ricka: Stokes vs Jones: modelling polarized light propagation in biological tissues, European Conferences on Biomedical Optics (ECBO/OSA), Munich, Germany, 12 May 2013 pdf [1.47 MB]Details
Annemarie Schönfeld et al.: Tissue Soldering with Nano Particle Scaffold, CTI Medtech Event, Bern, 20 Sep 2002 pdf [10.92 MB]Details

Talks

H. Günhan Akarçay: Arbitrary reflection/refraction of polarized light in Monte Carlo simulations: revisiting the Fresnel coefficients, IAP DAY 2017, Bern, 27 Jan 2017Details
Martin Frenz, Gerrit Held, Hidayet Günhan Akarçay, Michael Jaeger : Multimodal quantitative ultrasound and optoacoustic imaging, 29th Annual Conference of the IEEE Photonics Society, Waikoloa, Hawaii USA, 2 Oct 2016Details
Florentin Spadin, Günhan Akarcay, Michael Jaeger, Martin Frenz: Optoacoustic Imaging: examples from Tomography & Microscopy, INDIGO Lab Linking Conference, Bangalore, India, 22 Sep 2016Details
H. Günhan Akarçay: Light propagation in tissues: towards realistic modelling, INDIGO Workshop, Bangalore, India, 22 Sep 2016Details
Martin Frenz et al.: Multimodal biomedical optoacoustic imaging , CLEO: 2016 Laser Science to Photonic Applications, San Jose CA, USA, 9 Jun 2016Details
H. Günhan Akarcay, K. Gerrit Held, Jaro Ricka, Martin Frenz, Michael Jaeger: Spectral correction of OA signals based on multiple irradiation sensing: theoretical considerations , BIOS, SPIE Photonics West 2016, San Francisco, 13 Feb 2016Details
K. Gerrit Held, Michael Jaeger, Martin Frenz, H.Günhan Akarcay: Spectral correction of OA signals based on multiple irradiation sensing: experimental validation, BIOS, SPIE Photonics West 2016, San Francisco, USA, 13 Feb 2016Details
Günhan Akarcay, Martin Frenz, Jaroslav Ricka: Simulating realistic diffuse optics experiments with the Monte Carlo code jaMCp3, Biomedical Photonics Network 2015, Biel/Bienne, 11 Dec 2015Details
K. Gerrit Held et al.: Quantitative optoacoustic imaging: Optoacoustic measurements of optical effective attenuation for multi-wavelength fluence compensation, European Conference on Biomedical Optics, SPIE/OSA, Munich, 23 Jun 2015Details
Tigran Petrosyan et al.: Fluence compensation for quantitative optoacoustic imaging using near-infrared imaging and Monte Carlo simulations, European Conference on Biomedical Optics, SPIE/OSA, Munich, 23 Jun 2015Details
H. Gunhan Akarcay et al.: Combination of optoacoustic imaging and diffuse optical tomography for high-resolution 3D cerebral oxygenation map in preterm neonates, PostDoc Day 2015, Au, Zurich, 21 May 2015Details
K. Gerrit Held et al.: Quantitative spectrally resolved optoacoustic imaging, 3rd International Conference on BioPhotonics, Florence, Italy, 20 May 2015Details
H. Gunhan Akarcay, Martin Frenz, Jaro Ricka: On the photon diffusion coefficient: the role of the absorption and persistence length, SPIE BiOS, Biomedical Applications of Light Scattering IX, San Francisco, 7 Feb 2015Details
H. Gunhan Akarcay: On the footsteps of the old drunkard: The serendipities of a random walk in the dark, IAP DAY 2015, University of Bern, 30 Jan 2015Details
K. Gerrit Held, Tigran Petrosyan, Günhan Akarcay, Michael Jaeger, Martin Frenz: Fluence compensated optoacoustic image reconstruction for quantitative imaging, International Conference on Advanced Laser Technologies (ALT), Cassis, France, 6 Oct 2014Details
Michael Jaeger et al.: Full aberration correction towards high-resolution deep clinical multimodal optoacoustic and ultrasound imaging, PIERS, Guangzhou, China, 25 Aug 2014Details
H. Günhan Akarçay: Monte Carlo modeling of polarized light propagation: Stokes vs Jones, Departement für Physik , Universität Freiburg, 16 Sep 2013Details
Hidayet Gunhan Akarcay, Martin Frenz, Jaro Ricka: Polarized Monte Carlo simulations with realistic tissue models, Yearly meeting of the Biomedical Photonics Network, Neuchatel, 30 Nov 2011Details
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