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2025
Böhmer E. Degelmann LS. , Thoma OM. , Waldner M. , Mehari F. , Klämpfl F. Hohmann M. Schmidt M. Calibration-free Laser-induced Breakdown Spectroscopy (CF-LIBS): Plasma criteria for porcine tissue Talanta 297 2025 ), Article No.: 128545 ISSN: 0039-9140 10.1016/j.talanta.2025.128545 Download Hohmann M. Kreiß L. , Dehghani F. , Ni D. Gmelch M. , Friedrich O. , Büchler L. , Schmidt M. Analysis of femoroacetabular impingement by a triade of label-free optical spectroscopy techniques Communications Biology 8 2025 ), Article No.: 985 ISSN: 2399-3642 10.1038/s42003-025-08400-5 Download Kupriyanov V. , Blondel W. , Daul C. , Hohmann M. Khairallah G. , Kistenev Y. , Amouroux M. :Machine learning-based classification of spatially resolved diffuse reflectance and autofluorescence spectra acquired on human skin for actinic keratoses and skin carcinoma diagnostics aid Journal of Biomedical Optics 30 2025 ), p. 035001- ISSN: 1083-3668 10.1117/1.JBO.30.3.035001 Download Ni D. Amouroux M. , Blondel W. , Hohmann M. Automated spectral decomposition and reconstruction of optical properties using a mixed autoencoder approach Journal of Biomedical Optics 30 2025 ), p. 047001- ISSN: 1083-3668 10.1117/1.JBO.30.4.047001 Download Ni D. Camonin M. , Kupriyanov V. , Amouroux M. , Khairallah G. , Blondel W. , Hohmann M. Attention-based neural network for multiclass classification of human skin carcinoma using in vivo autofluorescence and diffuse reflectance spectroscopy 4th Translational Biophotonics: Diagnostics and Therapeutics (Munich, DEU 22. Juni 2025 - 26. Juni 2025 )In: Zhiwei Huang, Lothar D. Lilge (ed.): Progress in Biomedical Optics and Imaging - Proceedings of SPIE 2025 10.1117/12.3097791 Download Ni D. Hohmann M. Empirical model of the total transmission of light in turbid media Journal of the Optical Society of America A-Optics Image Science and Vision 42 2025 ), p. 193-200 ISSN: 1084-7529 10.1364/JOSAA.533888 Download Ni D. Klämpfl F. Schmidt M. Hohmann M. Machine learning-enhanced random laser sensing: unveiling scattering anisotropy for optical property characterization 10th Diffuse Optical Spectroscopy and Imaging (Munich, DEU 22. Juni 2025 - 26. Juni 2025 )In: Davide Contini, Yoko Hoshi, Thomas D. O'Sullivan (ed.): Progress in Biomedical Optics and Imaging - Proceedings of SPIE 2025 10.1117/12.3098437 Download Ni D. Klämpfl F. Schmidt M. Hohmann M. Whispering gallery mode laser: towards the deep and turbid tissue optical sensing Optical Interactions with Tissue and Cells XXXVI 2025 (San Francisco, CA 25. Januar 2025 - 27. Januar 2025 )In: Norbert Linz, Joel N. Bixler, Alex J. Walsh (ed.): Progress in Biomedical Optics and Imaging - Proceedings of SPIE 2025 10.1117/12.3041234 Download Soler-Carracedo K. , Ruiz A. , Ríos S. , de Armas-Rillo S. , Martín LL. , Hohmann M. Martín IR. , Lahoz F. :Stretching the Limits of Refractometric Sensing in Water Using Whispering-Gallery-Mode Resonators Chemosensors 13 2025 ), Article No.: 33 ISSN: 2227-9040 10.3390/chemosensors13020033 Download
2024
Ghosh A. Hohmann M. Klämpfl F. Schmidt M. Depth estimation in turbid media from stack of epi-illuminated microscopy images, using deep learning Tissue Optics and Photonics III 2024 (Strasbourg, FRA 9. April 2024 - 11. April 2024 )In: Valery V. Tuchin, Walter C. Blondel, Zeev Zalevsky (ed.): Proceedings of SPIE - The International Society for Optical Engineering 2024 10.1117/12.3029573 Download Hohmann M. Kühn D. , Ni D. Späth M. , Ghosh A. Rohde M. , Stelzle F. , Klämpfl F. Schmidt M. Relevant parameters for laser surgery of soft tissue Scientific Reports 14 2024 ), Article No.: 1263 ISSN: 2045-2322 10.1038/s41598-024-51449-1 Download Ni D. Karmann N. , Hohmann M. Automatic reconstruction and separation of each constituent's absorption and scattering properties using a customized autoencoder neural network SPIE Photonics Europe (Strasbourg 9. April 2024 - 11. April 2024 )In: Valery V. Tuchin, Walter C. Blondel, Zeev Zalevsky (ed.): Tissue Optics and Photonics III 2024 10.1117/12.3021547 Download Ni D. Karmann N. , Hohmann M. Reconstruction of Optical Properties in Turbid Media: Omitting the Need of the Collimated Transmission for an Integrating Sphere Setup Sensors 24 2024 ), Article No.: 4807 ISSN: 1424-8220 10.3390/s24154807 Download Ni D. Klämpfl F. Schmidt M. Hohmann M. Towards a sensing model using a random laser combined with diffuse reflectance spectroscopy Biomedical Optics Express 15 2024 ), p. 4425-4437 ISSN: 2156-7085 10.1364/BOE.525693 Download
2023
Ni D. Späth M. , Klämpfl F. Hohmann M. Properties and Applications of Random Lasers as Emerging Light Sources and Optical Sensors: A Review Sensors 23 2023 ), Article No.: 247 ISSN: 1424-8220 10.3390/s23010247 Download Ni D. Späth M. , Klämpfl F. Schmidt M. Hohmann M. Random laser-assisted whispering gallery mode laser for precise determination of microstructures Frontiers in Optics + Laser Science 2023, FiO, LS 203: Part of Frontiers in Optics + Laser Science 2023 (Tacoma, WA 9. Oktober 2023 - 12. Oktober 2023 )In: Frontiers in Optics: Proceedings Frontiers in Optics + Laser Science 2023, FiO, LS 2023 2023 10.1364/FIO.2023.JM7A.82 Download Ni D. Späth M. , Klämpfl F. Schmidt M. Hohmann M. Threshold behavior and tunability of a diffusive random laser Optics Express 31 2023 ), p. 25747-52762 ISSN: 1094-4087 10.1364/OE.491475 Download Späth M. , Rohde M. , Ni D. Knieling F. , Stelzle F. , Schmidt M. Klämpfl F. Hohmann M. Author Correction: The influence of the optical properties on the determination of capillary diameters (Scientific Reports, (2022), 12, 1, (270), 10.1038/s41598-021-04359-5) Scientific Reports 13 2023 ), Article No.: 2723 ISSN: 2045-2322 10.1038/s41598-022-26996-0 Download
2022
Goebel CA. , Brown E. , Fahlbusch F. , Wagner A. , Buehler A. , Raupach T. , Hohmann M. Späth M. , Burton N. , Wölfle J. , Schmidt M. Hartner A. , Regensburger A. , Knieling F. :High-resolution label-free mapping of murine kidney vasculature by raster-scanning optoacoustic mesoscopy: an ex vivo study Molecular and Cellular Pediatrics 9 2022 ), Article No.: 13 ISSN: 2194-7791 10.1186/s40348-022-00144-0 Download Hohmann M. Ganzleben I. , Grünberg A. , Menezes JG. , Klämpfl F. Lengenfelder B. , Liebing E. , Heichler C. , Neufert C. , Becker C. , Neurath M. , Waldner M. , Schmidt M. In vivo multi spectral colonoscopy in mice Scientific Reports 12 2022 )ISSN: 2045-2322 10.1038/s41598-022-12794-1 Download Hohmann M. Kühn D. , Späth M. , Rohde M. , Stelzle F. , Klämpfl F. Schmidt M. Development and evaluation of a scoring system for assessing incisions in laser surgery Scientific Reports 12 2022 ), p. 14741- ISSN: 2045-2322 10.1038/s41598-022-18969-0 Download Späth M. , Rohde M. , Ni D. Knieling F. , Stelzle F. , Schmidt M. Klämpfl F. Hohmann M. The influence of the optical properties on the determination of capillary diameters Scientific Reports 12 2022 ), Article No.: 270 ISSN: 2045-2322 10.1038/s41598-021-04359-5 Download Späth M. , Romboy A. Nzenwata I. , Rohde M. , Ni D. Ackermann L. , Stelzle F. , Hohmann M. Klämpfl F. Experimental Validation of Shifted Position-Diffuse Reflectance Imaging (SP-DRI) on Optical Phantoms Sensors 22 2022 ), p. 9880 ISSN: 1424-8220 10.3390/s22249880 Download
2021
Hohmann M. Hecht D. , Lengenfelder B. , Späth M. , Klämpfl F. Schmidt M. Proof of principle for direct reconstruction of qualitative depth information from turbid media by a single hyper spectral image Sensors 21 2021 ), Article No.: 2860 ISSN: 1424-8220 10.3390/s21082860 Download Hohmann M. Karabayir A. , Herzler P. , Späth M. , Klämpfl F. Schmidt M. Analysis of diffuse reflectance spectroscopy by means of Bayesian inference and separation of the parameters for scattering strength and spectral dependence of the scattering Journal of Biophotonics 2021 )ISSN: 1864-063X 10.1002/jbio.202100205 Download Hohmann M. Lengenfelder B. , Muhr D. , Späth M. , Hauptkorn M. , Klämpfl F. Schmidt M. Direct measurement of the scattering coefficient Biomedical Optics Express 12 2021 ), p. 320-335 ISSN: 2156-7085 10.1364/BOE.410248 Download Hohmann M. Späth M. , Ni D. Dörner D. , Lengenfelder B. , Klämpfl F. Schmidt M. Random laser as a potential tool for the determination of the scattering coefficient Biomedical Optics Express 12 2021 ), p. 5439 ISSN: 2156-7085 10.1364/BOE.432052 Download Lengenfelder B. , Hohmann M. Späth M. , Scherbaum D. , Weiß M. , Rupitsch S. , Schmidt M. Zalevsky Z. , Klämpfl F. Remote Photoacoustic Sensing Using Single Speckle Analysis by an Ultra-Fast Four Quadrant Photo-Detector Sensors 21 2021 )ISSN: 1424-8220 10.3390/s21062109 Download Späth M. , Hohmann M. Rohde M. , Klämpfl F. Numerical Aperture for Photon Detection within Shifted Position-Diffuse Reflectance Imaging Frontiers in Optics (Washington 1. November 2021 - 4. November 2021 )In: OSA Technical Digest (Optical Society of America, 2021) 2021 10.1364/FIO.2021.JTu1A.114 Download Späth M. , Hohmann M. Rohde M. , Lengenfelder B. , Stelzle F. , Klämpfl F. Determination of the diameter of simulated human capillaries using shifted position‐diffuse reflectance imaging Journal of Biophotonics 2021 )ISSN: 1864-063X 10.1002/jbio.202000465 Download Späth M. , Hohmann M. Stelzle F. , Klämpfl F. Lateral resolution and imaging depth of shifted position-diffuse reflectance imaging European Conference on Biomedical Optics 2021 (Munich 20. Juni 2021 - 24. Juni 2021 )In: OSA Technical Digest (Optical Society of America, 2021) 2021 10.1117/12.2615426 Download
2020
Ganzleben I. , Hohmann M. Grünberg A. , Menezes JG. , Liebing E. , Günther C. , Thonn V. , Beß D. , Becker C. , Schmidt M. Neurath M. , Waldner M. , Vieth M. :Topical application of Chlorin e6-PVP (Ce6-PVP) for improved endoscopic detection of neoplastic lesions in a murine colitis-associated cancer model Scientific Reports 10 2020 ), Article No.: 13129 ISSN: 2045-2322 10.1038/s41598-020-69570-2 Download Hohmann M. Albrecht H. , Lengenfelder B. , Klämpfl F. Schmidt M. Factors influencing the accuracy for tissue classification in multi spectral in-vivo endoscopy for the upper gastro-internal tract Scientific Reports 10 2020 ), Article No.: 3546 ISSN: 2045-2322 10.1038/s41598-020-60389-5 Download Lengenfelder B. , Hohmann M. Röhm M. , Schmidt M. Zam A. , Zalevsky Z. , Klämpfl F. Image reconstruction for remote photoacoustic tomography using speckle-analysis SPIE Photonics Europe (Online only 6. April 2020 - 10. April 2020 )In: SPIE (ed.): Proceedings Volume 11363, Tissue Optics and Photonics; 113631F (2020) 2020 10.1117/12.2553080 Download Lengenfelder B. , Jarkas H. , Shabairou N. , Hohmann M. Schmidt M. Zalevsky Z. , Klämpfl F. Remote photoacoustic tomography using diode-array and speckle-analysis SPIE Photonics Europe (Online only 6. April 2020 - 10. April 2020 )In: SPIE (ed.): Proceedings Volume 11363, Tissue Optics and Photonics; 1136308 (2020) 2020 10.1117/12.2542423 Download Shabairou N. , Lengenfelder B. , Hohmann M. Klämpfl F. Schmidt M. Zalevsky Z. :All-optical, an ultra-thin endoscopic photoacoustic sensor using multi-mode fiber Scientific Reports 2020 ), Article No.: 9142 ISSN: 2045-2322 10.1038/s41598-020-66076-9 Download Späth M. , Hohmann M. Roider C. , Lengenfelder B. , Stelzle F. , Wirtz S. , Klämpfl F. Towards shifted position-diffuse reflectance imaging of anatomically correctly scaled human microvasculature Scientific Reports 10 2020 ), Article No.: 17391 ISSN: 2045-2322 10.1038/s41598-020-74447-5 Download
2019
Hohmann M. Albrecht H. , Mudter J. , Nagulin KY. , Klämpfl F. Schmidt M. Spectral Spatial Variation Scientific Reports 9 2019 ), Article No.: 7512 ISSN: 2045-2322 10.1038/s41598-019-43971-4 Download Hohmann M. Dörner D. , Mehari F. , Chen C. , Späth M. , Müller S. , Albrecht H. , Klämpfl F. Schmidt M. Investigation of random lasing as a feedback mechanism for tissue differentiation during laser surgery Biomedical Optics Express 10 2019 ), p. 807-816 ISSN: 2156-7085 10.1364/BOE.10.000807 Download Hohmann M. Hecht D. , Lengenfelder B. , Klämpfl F. Schmidt M. Direct reconstruction of qualitative depth information from turbid media by a single hyper spectral image Photonics West 2019: BIOS (San Francisco 2. Februar 2019 - 7. Februar 2019 )In: Proc. SPIE 10885, Optical Diagnostics and Sensing XIX: Toward Point-of-Care Diagnostics 2019 10.1117/12.2509314 Download Kreiß L. , Hohmann M. Klämpfl F. Schürmann S. , Dehghani F. , Schmidt M. Friedrich O. , Büchler L. :Diffuse reflectance spectroscopy and Raman spectroscopy for label-free molecular characterization and automated detection of human cartilage and subchondral bone Sensors and Actuators B-Chemical 301 2019 ), Article No.: 127121 ISSN: 0925-4005 10.1016/j.snb.2019.127121 Download Lengenfelder B. , Funk S. , Hohmann M. Späth M. , Klämpfl F. Stelzle F. , Zalevsky Z. , Schmidt M. Remote speckle-sensing for improved differentiation between different types of tissues European Conferences on Biomedical Optics, 2019 (Munich, Germany 23. Juni 2019 - 27. Juni 2019 )In: SPIE (ed.): Opto-Acoustic Methods and Applications in Biophotonics IV; 110771Q (2019) 2019 10.1117/12.2526589 Download Lengenfelder B. , Hohmann M. Klämpfl F. Waldner M. , Zalevsky Z. , Schmidt M. Ex-vivo, remote photoacoustic sensing using speckle-analysis International Conference on Advanced Optical Technologies (Erlangen 13. März 2019 - 15. März 2019 )10.1038/s41598-018-38446-x https://www.saot.fau.de/events_saot/archive/international-conference/scientific-program/#collapse_3 Download Lengenfelder B. , Hohmann M. Klämpfl F. Zam A. , Weiß M. , Rupitsch S. , Zalevsky Z. , Schmidt M. Model for the description of remote photoacoustic sensing using speckle-analysis European Conferences on Biomedical Optics (Munich 23. Juni 2019 - 27. Juni 2019 )In: SPIE (ed.): Opto-Acoustic Methods and Applications in Biophotonics IV; 110771I (2019) 2019 10.1117/12.2526593 Download Lengenfelder B. , Mehari F. , Hohmann M. Heinlein M. , Chelales E. , Waldner M. , Klämpfl F. Zalevsky Z. , Schmidt M. Remote photoacoustic sensing using speckle-analysis Scientific Reports 2019 )ISSN: 2045-2322 10.1038/s41598-018-38446-x https://www.nature.com/articles/s41598-018-38446-x Download Lengenfelder B. , Mehari F. , Hohmann M. Löhr C. , Waldner M. , Schmidt M. Zalevsky Z. , Klämpfl F. Contact-free endoscopic photoacoustic sensing using speckle-analysis Journal of Biophotonics 2019 )ISSN: 1864-063X 10.1002/jbio.201900130 Download Späth M. , Klämpfl F. Stelzle F. , Hohmann M. Lengenfelder B. , Schmidt M. A quantitative evaluation of the use of medical lasers in German hospitals Journal of Biophotonics 2019 )ISSN: 1864-063X 10.1002/jbio.201900238 Download
2017
Hohmann M. Kanawade R. , Klämpfl F. Douplik A. , Mudter J. , Neurath M. , Albrecht H. :In-vivo multispectral video endoscopy towards in-vivo hyperspectral video endoscopy Journal of Biophotonics 10 2017 ), p. 553-564 ISSN: 1864-063X 10.1002/jbio.201600021 Download Hohmann M. Lengenfelder B. , Kanawade R. , Klämpfl F. Douplik A. , Albrecht H. :Measurement of optical properties of pig esophagus by using a modified spectrometer set-up Journal of Biophotonics 2017 )ISSN: 1864-063X Download
2015
Hohmann M. Lengenfelder B. , Kanawade R. , Klämpfl F. Schmidt M. Extension of depth-resolved reconstruction of attenuation coefficients in optical coherence tomography for slim samples Biophotonics Japan 2015 (Tokyo, Japan 26. Oktober 2015 - 30. Oktober 2015 )In: SPIE (ed.): Optical Coherence Tomography 2 2015 10.1117/12.2205030 http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2475806 Download Kanawade R. , Lengenfelder B. , Menezes TM. , Hohmann M. Kopfinger S. , Hohmann T. , Grabiec U. , Klämpfl F. Menezes JG. , Waldner M. , Schmidt M. Improved cancer diagnostics by different image processing techniques on OCT images Proceedings of SPIE 2015 )ISSN: 0277-786X 10.1117/12.2183838 Download
