Alois Herkommer

M. Wende et al., “3D-printed endo-microscope with a fast magnetic actuator for axial image plane scanning,” Optics Letters, Jan. 2025, doi: 10.1364/ol.546292.

K. Doth, M. Wende, J. Drozella, T. Haist, A. Herkommer, and A. Toulouse, “Miniaturized holographic twin trap 3D-printed via two-photon lithography,” Journal of Optical Microsystems, vol. 5, Art. no. 2, 2025, doi: 10.1117/1.JOM.5.2.024501.

R. Chen et al., “Low background fluorescence 3D-printed micro-lens for imaging of vulnerable atherosclerotic plaques,” APL Photonics, vol. 10, Art. no. 4, Apr. 2025, doi: 10.1063/5.0247546.

W. Osten et al., “The reconstruction, testing, and improvement of a historical giant astronomical telescope,” in Ultra-High-Definition Imaging Systems VIII, S. Miyata, T. Yatagai, and Y. Koike, Eds., SPIE, 2025, p. 1338902. doi: 10.1117/12.3040884.

F. Rothermel et al., “Magnetically actuatable 3D-printed endoscopic microsystems,” Communications Engineering, vol. 4, Art. no. 1, Apr. 2025, doi: 10.1038/s44172-025-00403-8.

Z. Lovasz, Ö. Atmaca, C. Veil, A. Herkommer, and O. Sawodny, “Numerical Analysis of Geometric Influences in Tetrapolar Electrical Impedance Spectroscopy Using Monte Carlo Simulations,” Current Directions in Biomedical Engineering, vol. 10, Art. no. 4, 2024, doi: doi:10.1515/cdbme-2024-2106.

V. Aslani, A. Toulouse, M. Schmid, H. Giessen, T. Haist, and A. Herkommer, “3D-Druck von farbigen Mikrooptiken,” D. Proceedings, Ed., 2024.

A. Toulouse, S. Thiele, V. Aslani, and A. Herkommer, “Verfahren zum Schutz von Objektiven für neue Fotolacke in der hochauflösenden Zweiphotonenlithografie,” in DGaO Proceedings 2024, DGaO, Ed., 2024. [Online]. Available: https://www.dgao-proceedings.de/abstract/abstract_only.php?id=3069

Ö. Atmaca et al., “Elastographic Measurements Using Fourier Transform Profilometry for Tissue Differentiation in Oncology,” in DGaO Proceedings 2024, Aug. 2024, p. P20. [Online]. Available: https://www.dgao-proceedings.de/download/125/125_p20.pdf

F. Rothermel et al., “Fabrication and Characterization of a Magnetic 3D‐printed Microactuator,” Advanced Materials Technologies, Apr. 2024, doi: 10.1002/admt.202302196.

C. Jimenez, A. Toulouse, and A. Herkommer, “Beam shaping elements for single photon sources based on 3D printed micro-optics,” in EPJ Web of Conferences, L. De Stefano, R. Velotta, and E. Descrovi, Eds., EDP Sciences, 2024, p. 3007. doi: 10.1051/epjconf/202430903007.

M. Wende, J. Drozella, A. Toulouse, and A. M. Herkommer, “Fast vector wave optical simulation methods for application on 3D-printed microoptics,” Journal of Optical Microsystems, vol. 4, Art. no. 2, 2024, doi: 10.1117/1.JOM.4.2.024501.

F. Rothermel et al., “Fabrication and Characterization of a Magnetic 3D-printed Microactuator,” Advanced Materials Technologies, vol. 9, Art. no. 12, 2024, doi: 10.1002/admt.202302196.

K. Doth, T. Haist, and A. Herkommer, “Miniaturisierte Holografische Doppelfalle zum optischen Einfang von Mikropartikeln,” in DGaO Proceedings 2024, DGaO, Ed., 2024. [Online]. Available: https://www.dgao-proceedings.de/abstract/abstract_only.php?id=3076

R. Chen, F. Rothermel, A. Toulouse, P. Flad, H. Giessen, and A. Herkommer, “Miniaturised 3D printed fibre-optic probe for autofluorescence detection of human plaques,” in Proceedings Volume PC12820, Endoscopic Microscopy XIX, S. Proc., Ed., 2024, p. PC128200A. doi: https://doi.org/10.1117/12.3002467.

A. Toulouse, F. Rothermel, J. Drozella, S. Thiele, and A. Herkommer, “A 3D-printed fiber core multiplexing endoscope,” in 3D Printed Optics and Additive Photonic Manufacturing IV, G. von Freymann, A. M. Herkommer, and M. Flury, Eds., SPIE, Jun. 2024, p. 8. doi: 10.1117/12.3016279.

K. Weber, S. Thiele, M. Hentschel, A. Herkommer, and H. Giessen, “Positional Accuracy of 3D Printed Quantum Emitter Fiber Couplers,” Advanced Quantum Technologies, vol. 7, Art. no. 11, Aug. 2024, doi: 10.1002/qute.202400135.

K. Weber, S. Thiele, M. Hentschel, A. Herkommer, and H. Giessen, “Front Cover: Positional Accuracy of 3D Printed Quantum Emitter Fiber Couplers (Adv. Quantum Technol. 11/2024),” Advanced Quantum Technologies, vol. 7, Art. no. 11, Nov. 2024, doi: 10.1002/qute.202470031.

V. Aslani, T. Haist, S. Thiele, and A. Herkommer, “Endoscopic measurement system for elastographic tissue differentiation based on active triangulation and 3D-printed micro-optics,” SPIE, 2024, p. 128170E. doi: 10.1117/12.3007293.

A. Savchenko, C. Pruß, and A. Herkommer, “Stepped mask interference laser exposure (SMILE),” in DGaO Proceedings 2024, DGaO, Ed., 2024. [Online]. Available: https://www.dgao-proceedings.de/abstract/abstract_only.php?id=3090

V. Aslani, T. Haist, S. Thiele, and A. Herkommer, “Sensorsystem zur minimalinvasiven intraoperativen Gewebedifferenzierung in der Onkologie mittels endoskopischer Streifenprojektion,” in DGaO Proceedings 2023, 2023. [Online]. Available: https://www.dgao-proceedings.de/download/124/124_a28.pdf

F. Fischer, K. Frenner, M. Granai, F. Fend, and A. Herkommer, “Data-driven development of sparse multi-spectral sensors for urological tissue differentiation,” Journal of the European Optical Society-Rapid Publications, vol. 19, Art. no. 1, 2023, doi: 10.1051/jeos/2023030.

J. Li et al., “3D micro-printing of miniaturized fiber-optic probes capable of multi-modal imaging and beam tailoring,” in Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII, J. A. Izatt and J. G. Fujimoto, Eds., SPIE, 2023, p. PC1236703. doi: 10.1117/12.2652181.

M. Wende, J. Drozella, and A. M. Herkommer, “Fast bidirectional vector wave propagation method showcased on targeted noise reduction in imaging fiber bundles using 3D-printed micro optics,” Optics Express, vol. 31, Art. no. 18, Aug. 2023, doi: 10.1364/oe.497244.

V. Aslani, A. Toulouse, M. Schmid, H. Giessen, T. Haist, and A. Herkommer, “3D printing of colored micro-optics,” Optical Materials Express, vol. 13, Art. no. 5, Apr. 2023, doi: 10.1364/ome.489681.

S. Amann, T. Haist, A. Gatto, M. Kamm, and A. Herkommer, “Design and realization of a miniaturized high resolution computed tomography imaging spectrometer,” Journal of the European Optical Society-Rapid Publications, vol. 19, Art. no. 2, 2023, doi: 10.1051/jeos/2023027.

S. Amann, T. Haist, A. Gatto, M. Kamm, and A. Herkommer, “Intermediate image free computed tomography imaging spectrometer,” in Photonic Instrumentation Engineering X, L. E. Busse and Y. Soskind, Eds., SPIE, 2023, p. 124280G. doi: 10.1117/12.2650096.

S. Wagner et al., “Injection Molding of Encapsulated Diffractive Optical Elements,” Micromachines, vol. 14, Art. no. 6, 2023, doi: 10.3390/mi14061223.

J. Schüle et al., “In-plane Strain Analysis by Correlating Geometry and Visual Data Through a Gradient-Based Surface Reconstruction,” in 2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Jul. 2023, pp. 1–6. doi: 10.1109/EMBC40787.2023.10340777.

A. Toulouse et al., “Ultra-compact 3D-printed wide-angle cameras realized by multi-aperture freeform optical design,” Opt. Express, vol. 30, Art. no. 2, Jan. 2022, doi: 10.1364/OE.439963.

A. Gronle, C. Pruss, and A. Herkommer, “Misalignment of spheres, aspheres and freeforms in optical measurement systems,” Optics Express, vol. 30, Art. no. 2, Jan. 2022, doi: 10.1364/oe.443420.

A. Toulouse et al., “High resolution femtosecond direct laser writing with wrapped lens,” Opt. Mater. Express, vol. 12, Art. no. 9, Sep. 2022, doi: 10.1364/OME.468534.

J. Drozella et al., “Micro-3D-printed multi-aperture freeform ultra-wide-angle systems: production, characterization, and correction,” in Laser-based Micro- and Nanoprocessing XVI, A. Watanabe and R. Kling, Eds., SPIE, 2022, p. 119890V. doi: 10.1117/12.2609844.

S. Amann, T. Haist, A. Gatto, M. Kamm, and A. Herkommer, “Design and realization of a miniaturized high resolution computed tomography imaging spectrometer,” EPJ Web of Conferences, vol. 266, p. 2001, 2022, doi: 10.1051/epjconf/202226602001.

M. D. Schmid, A. Toulouse, S. Thiele, S. Mangold, A. M. Herkommer, and H. Giessen, “3D Direct Laser Writing of Highly Absorptive Photoresist for Miniature Optical Apertures,” Advanced Functional Materials, p. 2211159, Dec. 2022, doi: 10.1002/adfm.202211159.

L. Bremer et al., “Numerical optimization of single-mode fiber-coupled single-photon sources based on semiconductor quantum dots,” Opt. Express, vol. 30, Art. no. 10, May 2022, doi: 10.1364/OE.456777.

L. Becker et al., “Data-Driven Identification of Biomarkers for In Situ Monitoring of Drug Treatment in Bladder Cancer Organoids,” International Journal of Molecular Sciences, vol. 23, Art. no. 13, 2022, doi: 10.3390/ijms23136956.

F. Fischer, A. Birk, P. Somers, K. Frenner, C. Tarín, and A. Herkommer, “FeaSel-Net: A Recursive Feature Selection Callback in Neural Networks,” Machine Learning and Knowledge Extraction, vol. 4, Art. no. 4, 2022, doi: 10.3390/make4040049.

A. Toulouse, J. Drozella, S. Thiele, H. Giessen, and A. M. Herkommer, “Complex 3D printed microoptical systems: from a pinhole camera to a spectrometer,” in 3D Printed Optics and Additive Photonic Manufacturing III, A. M. Herkommer, G. von Freymann, and M. Flury, Eds., SPIE, 2022, p. PC1213504. doi: 10.1117/12.2624165.

M. Wende, J. Drozella, A. Toulouse, and A. M. Herkommer, “Fast algorithm for the simulation of 3D-printed microoptics based on the vector wave propagation method,” Optics Express, vol. 30, Art. no. 22, Oct. 2022, doi: 10.1364/oe.469178.

F. Fischer, K. Frenner, and A. M. Herkommer, “Sparse Mid-Infrared Spectra Enable Real-time and In-vivo Applications in Tissue Discrimination,” EPJ Web of Conferences, vol. 266, p. 2004, 2022, doi: 10.1051/epjconf/202226602004.

K. Treptow, C. Schober, C. Pruss, A. Herkommer, and S. Reichelt, “Single-shot Interferometry apart from zero position measurement,” DGaO Proceedings, 2022.

C. Schober, C. Pruss, and A. Herkommer, “Ereignisbasierte Weißlichtinterferometrie (eCSI),” tm - Technisches Messen, vol. 89, Art. no. 6, 2022, doi: doi:10.1515/teme-2021-0130.

J. Schwab et al., “Coupling light emission of single-photon sources into single-mode fibers: mode matching, coupling efficiencies, and thermo-optical effects,” Opt. Express, vol. 30, Art. no. 18, Aug. 2022, doi: 10.1364/OE.465101.

F. Fischer, A. Birk, K. Frenner, and A. Herkommer, “FeaSel-Net: A Recursive Feature Selection Callback in Neural Networks,” May 2022, doi: 10.36227/techrxiv.19803520.v1.

F. Rothermel, S. Thiele, C. Jung, H. Giessen, and A. Herkommer, “Towards magnetically actuated 3D-printed micro-optical elements,” in Optomechanics and Optical Alignment, K. B. Doyle, J. D. Ellis, J. M. Sasián, and R. N. Youngworth, Eds., SPIE, 2021, p. 118160I. doi: 10.1117/12.2594213.

C. Schober, C. Pruss, and A. Herkommer, “Integriertes Messkonzept zur Registrierung von Weißlichtinterferometriesignalen für Nanometrologie in großen Messvolumina,” DGaO Proceedings, 2021.

N. Harland et al., “Organoide zur Weiterentwicklung der intraoperativen Diagnostik,” Der Urologe, vol. 60, Art. no. 9, Sep. 2021, doi: 10.1007/s00120-021-01595-5.

C. Schober, C. Pruss, A. Faulhaber, and A. Herkommer, “Event based coherence scanning interferometry,” Optics Letters, vol. 46, Art. no. 17, Aug. 2021, doi: 10.1364/ol.437489.

S. Ristok, S. Thiele, A. Toulouse, A. M. Herkommer, and H. Giessen, “Stitching-free 3D printing of millimeter-sized highly transparent spherical and aspherical optical components,” in Conference on Lasers and Electro-Optics, Optica Publishing Group, 2021, p. ATh1R. doi: 10.1364/CLEO_AT.2021.ATh1R.1.

A. Asadollahbaik et al., “Structured light to miniaturize optical micromanipulation,” in Optical Trapping and Optical Micromanipulation XVIII, K. Dholakia and G. C. Spalding, Eds., SPIE, 2021, p. 117981G. doi: 10.1117/12.2596522.

A. Toulouse, J. Drozella, S. Thiele, H. Giessen, and A. Herkommer, “3D-printed miniature spectrometer for the visible range with a 100 × 100 μm² footprint,” Light: Advanced Manufacturing, vol. 2, Art. no. 1, 2021, doi: 10.37188/lam.2021.002.

A. Asadollahbaik et al., “Efficient mirco- and nanoparticle trapping by improved optical fiber tweezers using 3D printed diffractive optical elements,” in Optical Trapping and Optical Micromanipulation XVII, K. Dholakia and G. C. Spalding, Eds., SPIE, 2020, p. 114631E. doi: 10.1117/12.2567647.

S. Ristok, S. Thiele, A. Toulouse, A. M. Herkommer, and H. Giessen, “Stitching-free 3D printing of millimeter-sized highly transparent spherical and aspherical optical components,” Opt. Mater. Express, vol. 10, Art. no. 10, Oct. 2020, doi: 10.1364/OME.401724.

C. Schober, C. Pruß, and A. Herkommer, “Sensordesign für die NPMM-200 am Beispiel eines Weisslichtsensors,” DGaO Proceedings, 2020.

C. Schober, C. Pruss, A. Herkommer, and W. Osten, “The NPMM-200: large area high resolution for freeform surface measurement,” in Seventh European Seminar on Precision Optics Manufacturing, O. W. Fähnle, G. Fütterer, R. Rascher, and A. Haberl, Eds., SPIE, 2020, p. 1147807. doi: 10.1117/12.2564918.

A. Asadollahbaik et al., “Highly Efficient Dual-Fiber Optical Trapping with 3D Printed Diffractive Fresnel Lenses,” ACS Photonics, vol. 7, Art. no. 1, Jan. 2020, doi: 10.1021/acsphotonics.9b01024.

A. Asadollahbaik et al., “Improved optical fiber tweezers using 3D printed Fresnel lenses (Conference Presentation),” in Nanophotonics VIII, D. L. Andrews, A. J. Bain, M. Kauranen, and J.-M. Nunzi, Eds., SPIE, 2020, p. 1134506. doi: 10.1117/12.2559875.

S. Schmidt et al., “Tailored micro-optical freeform holograms for integrated complex beam shaping,” Optica, vol. 7, Art. no. 10, Oct. 2020, doi: 10.1364/OPTICA.395177.

F. Rothermel, S. Thiele, C. Jung, and A. Herkommer, “Ansatz zur Aktuierung 3D-gedruckter Mikrooptiken mittels magnetischer Flüssigkeiten,” DGaO Proceedings, 2020.

S. Thiele, A. Toulouse, S. Ristok, H. Giessen, and A. Herkommer, “Translating optical design freedom into 3D printed complex micro-optics (Conference Presentation),” in 3D Printed Optics and Additive Photonic Manufacturing II, A. M. Herkommer, G. von Freymann, and M. Flury, Eds., SPIE, 2020, p. 1134904. doi: 10.1117/12.2559198.

C. Reichert, T. Gruhonjic, K. Rishav, T. Haist, and A. Herkommer, “Ganzheitliche Optimierung von optischen Systemen,” DGaO Proceedings, 2019.

A. Toulouse, S. Thiele, and A. Herkommer, “Virtual reality headset using a gaze-synchronized display system,” in Optical Design Challenge 2019, B. C. Kress, Ed., SPIE, 2019, p. 1104009. doi: 10.1117/12.2523920.

J. Drozella, A. Toulouse, S. Thiele, and A. M. Herkommer, “Fast and comfortable GPU-accelerated wave-optical simulation for imaging properties and design of highly aspheric 3D-printed freeform microlens systems,” in Novel Optical Systems, Methods, and Applications XXII, C. F. Hahlweg and J. R. Mulley, Eds., SPIE, 2019, p. 1110506. doi: 10.1117/12.2528843.

S. Thiele, C. Pruss, A. M. Herkommer, and H. Giessen, “3D printed stacked diffractive microlenses,” Optics Express, vol. 27, Art. no. 24, Nov. 2019, doi: 10.1364/oe.27.035621.

F. Würtenberger, T. Haist, C. Reichert, A. Faulhaber, T. Boettcher, and A. Herkommer, “Optimum Wavelengths in the Near Infrared for Imaging Photoplethysmography,” IEEE Transactions on Biomedical Engineering, vol. 66, Art. no. 10, Oct. 2019, doi: 10.1109/TBME.2019.2897284.

C. Reichert, F. Würtenberger, V. Hinderer, T. Haist, and A. Herkommer, “Erfassung menschlicher Vitalparameter mithilfe optischer Messtechnik,” DGaO Proceedings, 2018.

F. Rothermel, C. Pruß, A. Herkommer, and W. Osten, “In-Prozess Messtechnik für 3D-gedruckte Optiken,” DGaO Proceedings, 2018.

S. Lotz, C. Reichert, T. Haist, and A. Herkommer, “„BaKaRoS“ – ein Baukastensystem für einen niederschwelligen Zugang zur technischen Optik,” DGaO Proceedings, 2018.

B. Chen, S. Thiele, M. Xu, and A. M. Herkommer, “Micro objectives with extremely large field of view,” in Optical Design and Engineering VII, L. Mazuray, R. Wartmann, and A. P. Wood, Eds., SPIE, 2018, p. 1069016. doi: 10.1117/12.2313400.

A. Baumgartner, S. Amann, C. Müller, A. Herkommer, M. Dressel, and S. Fella, “Infrared reflectance factor of various asphalts,” in Remote Sensing for Agriculture, Ecosystems, and Hydrology XX, C. M. U. Neale and A. Maltese, Eds., SPIE, 2018, p. 107831X. doi: 10.1117/12.2325509.

A. Herkommer and S. Thiele, “Design und Herstellung von 3D-gedruckten mikrooptischen Systemen mittels 2-Photonen Polymerisation,” DGaO Proceedings, 2018.

A. Baumgartner, S. Amann, M. Werz, A. Herkommer, M. Dressel, and S. Fella, “Near-infrared optical investigations of snow, ice, and water layers on diffuse reflecting surfaces,” Review of Scientific Instruments, vol. 89, Art. no. 12, Dec. 2018, doi: 10.1063/1.5049652.

A. Toulouse, S. Thiele, H. Giessen, and A. M. Herkommer, “Alignment-free integration of apertures and nontransparent hulls into 3D-printed micro-optics,” Opt. Lett., vol. 43, Art. no. 21, Nov. 2018, doi: 10.1364/OL.43.005283.

A. Hartung, S. Thiele, J. Drozella, H. Giessen, and A. Herkommer, “Schwärzen von 3D-gedruckten Mikrooptiken mittels Inkjet-Verfahren,” DGaO Proceedings, 2018.

D. Claus, A. Herkommer, K. Körner, and C. Pruß, “Method and assembly for chromatic confocal spectral interferometry or spectral domain oct,” Dec. 2017 [Online]. Available: https://worldwide.espacenet.com/patent/search?q=pn%3DEP3728989A1

B. Chen and A. M. Herkommer, “Surface Resolved Aberration Contributions in Freeform Optical Systems,” in Optical Design and Fabrication 2017 (Freeform, IODC, OFT), Optica Publishing Group, 2017, p. JTu1C. doi: 10.1364/FREEFORM.2017.JTu1C.3.