M. Knoblich, M. Kraus, D. Stumpf, L. Werner, H. Hillmer, and R. Brunner;  
Variable ring-shaped lithography for the fabrication of meso- and microscale binary optical elements; Appl. Opt. 61, 2049-2059 (2022)

A. Kobylinskiy, L. Werner, M. Kraus, H. Hillmer and R. Brunner;
Folded beam path architecture for highly efficient filter-based spectral sensors, Appl. Opt. 61, 9996-10001 (2022)

E. Förster, D. Stumpf, L. Werner, H. Hillmer and R. Brunner;
Hyperchromatic lens doublets with an extremely small equivalent Abbe number employing diffractive elements and refractive materials with exceptional dispersion properties; J. Opt. Soc. Am. A 39, 1992-2000 (2022)

M. Kraus, T. Höhnle, E. Förster, P. Sadlowski, D. Stumpf, A. Schöneberger, B. Laue, R. Brüning, H. Hillmer and R. Brunner;
Compact double-pass Echelle spectrometer employing a crossed diffraction grating; Optics Express, Vol. 30, pp. 31336-31353, DOI: 10.1364/OE.465208 (2022)  

A. Kobylinskiy, M. Kraus, X. Uwurukundo, H. Hillmer, and R. Brunner;
Simple but effective: strong efficiency boost for a linear variable filter-based spectrometer;

J. Optical Microsystems 1 (4), 044501 (2021) doi.org/10.1117/1.JOM.1.4.044501)

H. Hillmer, C. Woidt, A. Kobylinskiy, M. Kraus, A. Istock, M. S. Q. Iskhandar, R. Brunner, and T. Kusserow;
Miniaturized Interferometric Sensors with Spectral Tunability for Optical Fiber Technology—A Comparison of Size Requirements, Performance, and New Concepts;

Photonics 2021, 8, 332. doi.org/10.3390/photonics8080332 (2021)

M. Hubold, E. Montag, R. Berlich, R. Brunner, and R. Brüning;
Multi-aperture system approach for snapshot multispectral imaging applications; Optics Express, 29 (5), 7361-7378 (2021)

H. Hillmer, C. Woidt, A. Istock, A. Kobylinskiy, D. T. Nguyen, N. Ahmed, R. Brunner, and T. Kusserow;
Role of Nanoimprint Lithography for Strongly Miniaturized Optical Spectrometers; Nanomaterials 11, 164 (2021)

R. Brunner, M. Kraus, J. Hirte, Z. Diao, , K. Weishaupt, J. P. Spatz, T. Harzendorf, M. Trost, A.-S. Munser, S. Schröder and M. Baer;
Black and white fused silica: modified sol-gel process combined with moth-eye structuring for highly absorbing and diffuse reflecting SiO₂ glass; Optics Express, 28 (22), 32499-32516 (2020)

K. Krasselt, C. Frommelt, R. Brunner, F. G. Rauscher, M. Francke, N. Körber;
Various cross-linking methods inhibit the collagenase I degradation of rabbit scleral tissue; BMC Ophthalmology, (2020) 20:488

O. Sandfuchs, M. Kraus, and R. Brunner;
Structured metal double-blazed dispersion grating for broadband spectral efficiency achromatization;  JOSA A 37 (8); 1369-1380 (2020)  

I. Urban, D. Stumpf, X. Uwurukundo, K. Frey, A. Reichenbach, M. Francke, R. Brüning, and R. Brunner;
Amphibious vision - Optical design model of the hooded merganser eye;  Vision Research 175 (2020) 75-84

A. Kobylinskiy, B. Laue, E. Förster, B. Höfer, Y. Shen, H. Hillmer, and R. Brunner;
Substantial increase in detection efficiency for filter array based spectral sensors;  Appl. Opt. 59(8) 2443-2451 (2020) (highlighted by Editor’s pick)

M. Kraus, E. Förster, V. Bagusat, T. Hönle, X. Uwurkundo, P. Bohnert, R. Brüning, H. Hillmer, and R. Brunner;
Realization of a compact cross-grating spectrometer and validating experimental tests; Appl. Opt. 59(5), 1338-1346 (2020)

Patentanmeldung Hyperchromatisches Axialspektrometer; Aktenzeichen 10 2020 133 617.9.         (2020)

M. Kraus, Z. Diao, J.-H-Dirks, K. Weishaupt, J. P. Spatz, K. Täschner, H. Bartzsch, R. Schmittgens, and R. Brunner;
Combined ‘moth-eye’ structured and graded index-layer anti-reflecting coating for high index glasses; Optics Express, 27 (24), 34655-35664 (2019)

N. Danz, B. Höfer, E. Förster, T. Flügel-Paul, T. Harzendorf, P. Dannberg, R. Leitel, S. Kleinle, and R. Brunner;
Miniature integrated micro-spectrometer array for snap shot multispectral sensing; Optics Express, 27 (4), 5719-5728 (2019)

V. Bagusat, D. Thomae, T. Hönle, M. Kraus, E. Förster, R. Brüning, H. Hillmer, and R. Brunner;
Concept and optical design of a compact cross-grating spectrometer; JOSA A 36 (3); 345-352 (2019)

D. l. Claus, K. Frey, T. Hönle, R. Brüning, A. Reichenbach, M. Francke, and R. Brunner;
Comprehensive optical design model of the goldfish eye and quantitative simulation of the consequences on the accommodation mechanism; Vision Research 154, (2019) 115-121

D. Thomae, T. Hönle, M. Kraus, V. Bagusat, A. Deparnay, R. Brüning, and R. Brunner;
Compact echelle spectrometer employing a cross-grating; Appl. Opt. 57(25), 7109-7116 (2018)

A. Abdo, E. Förster, P. Bohnert, V. Badilita, R. Brunner, U. Wallrabe and J. Korvink;
Dual-mode pushbroom hyperspectral imaging using active system components and feed-forward compensation; Rev. Sci. Instr. 89, 083113 (2018)

Patentanmeldung Simultanspektrometer mit einem planen reflektiven Beugungsgitter; DE 10 2018 100 622.5. (2018)

K. Frey, B. Zimmerling, P. Scheibe, F.G. Rauscher, A. Reichenbach, M. Francke, and R. Brunner;
Does the foveal shape influence the image formation in human eyes?; Adv. Opt. Techn. 6(5), 403-410 (2017)

O. Sandfuchs, R. Brunner;
Efficiency-achromatized reflective dispersion grating by a double-blaze configuration: Theoretical conditions for optimal material selection; Asian Journal of Physics 25 (9) (2016) 897-906

E. Förster, P. Bohnert, M. Kraus, R. Kilper, U. Müller, M. Buchmann, and R. Brunner;
Variable diameter CO₂ laser ring-cutting system adapted to a zoom microscope for applications on polymer tapes; Appl. Opt. 55(33), pp. 9370-9377 (2016)

Z. Diao, M. Kraus, R. Brunner, J.-H. Dirks, J. P. Spatz;
Nanostructured Stealth Surfaces for Visible and Near-Infrared Light; Nano Letters, 16(10), 6610–6616 (2016) 

E. Förster, M. Stürmer, U. Wallrabe, J. Korvink, P. Bohnert, and R. Brunner;
Dual-mode spectral imaging system employing a focus variable lens; Adv. Opt. Techn. DOI 10.1515/aot-2015-0053 (2016)

R. Brunner, E. Förster;
Tunable Optics in Nature; pp 38-63; in: Tunable Micro-optics; Cambridge University Press, Hrsg. Hans Zappe and Claudia Duppé, (2016) ISBN 978-1-107-03245-3

U. Wallrabe, M. Stürmer, E. Förster, R. Brunner;

Hyperspectral eye; pp 395-416; in: Tunable Micro-optics; Cambridge University Press, Hrsg. Hans Zappe and Claudia Duppé, (2016) ISBN 978-1-107-03245-3

D. Thomae, R. Brunner;
Einfache und effiziente numerische Methode zur Berechnung von Talbot-Lichtverteilungen und deren anschauliche Beschreibung;  in Jahrbuch Optik und Feinmechanik 62. Jahrgang (2016), Optik Verlag; S. 39-64, ISBN 978-3-00-054941-0

D. Thomae, O. Sandfuchs, and R. Brunner;
Influence of oblique illumination on perfect Talbot imaging and nearly perfect self-imaging for gratings beyond five diffraction orders; JOSA A, 32 (12), 2365-2372 (2015)

E. Förster, M. Stürmer, U. Wallrabe, J. Korvink, and R. Brunner;
Bio-inspired variable imaging system simplified to the essentials: modelling accommodation and gaze movement; Optics Express, 23 (2), 929-942 (2015)

G. Widholz, M. Kraus, J.-H. Dirks, J. Spatz, R. Brunner;
Entspiegelung mit “Mottenaugenstrukturen”: Entwicklung der globalen Patentlandschaft; in Jahrbuch Optik und Feinmechanik 61. Jahrgang (2015), Optik Verlag; S. 69-82, ISBN 978-3-00-049403-1

Patentanmeldung Anordnung zur Spektroskopie und Verfahren zur Herstellung der Anordnung; DE 10 2015 108 818.5 (2015)

D. Thomae, O. Sandfuchs, and R. Brunner;
Quantitative analysis of imperfect frequency multiplying in fractional Talbot planes and its effect on high-frequent-grating lithography; JOSA A Vol. 31 (7), 1436–1444 (2014)

D. Thomae, J. Maaß, O. Sandfuchs, A. Gatto, and R. Brunner;
Flexible mask illumination setup for serial multipatterning in Talbot lithography; Appl. Opt. 53(9) 1775–1781 (2014)

R. Brunner;
Transferring diffractive optics from research to commercial applications: Part II – size estimations for selected markets; Adv. Opt. Techn. (2014); 3(2): 121–128

B. Ryba, E. Förster, and R. Brunner;
Flexible diffractive gratings: theoretical investigation of the dependency of diffraction efficiency on mechanical deformation; Appl. Opt. 53(7) 1381-1387 (2014)

Patentanmeldung Verfahren und Vorrichtungen zur Herstellung dreidimensionaler Strukturen; DE 102012109130A1 (2014)         

R. Brunner;
Transferring diffractive optics from research to commercial applications: Part I – progress in the patent landscape; Adv. Opt. Techn. 2 (5-6), 351-359, (2013)

Ch. Williges, W. Chen, Ch. Morhard, J. P. Spatz, and R. Brunner;
Increasing the Order Parameter of Quasi Hexagonal Micellar Nanostructures by Ultrasound Annealing; Langmuir, 29 (4), pp 989–993, (2013)

J. Maass, O. Sandfuchs, D. Thomae, A. Gatto, and R. Brunner;
Effective and flexible modeling approach to investigate various 3D Talbot carpets from a spatial finite mask; J. Europ. Opt. Soc. Rap. Public. 8, 13004 (2013)

R. Brunner, O. Sandfuchs, C. Pacholski, Ch. Morhard, and J. Spatz;
Lessons from Nature: Biomimetic Subwavelength Structures for High-Performance Optics;  Laser & Photon. Rev. 6 (5) 641–659 (2012)

R. Brunner, B. Keil, Ch. Morhard, D. Lehr, J. Draheim, U. Wallrabe, and J. Spatz;
Antireflective “Moth-Eye” Structures on Tunable Optical Silicone Membranes; Appl. Opt. 51(19) 4370-4376 (2012)

C. Pacholski, Ch. Morhard, J. P. Spatz, D. Lehr, M. Schulze, E.-B. Kley, A. Tünnermann, M. Helgert, M. Sundermann, and R. Brunner;
Antireflective Sub-Wavelength Structures on Microlens Arrays - Comparison of Various Manufacturing Techniques;  Appl. Opt. 51(1) 8-14 (2012)

R. Brunner;
“Refractive Microoptics”, “Diffractive Optical Elements”, and “Subwavelength Structured Elements”  in Springer Handbook of Lasers and Optics; 2^nd Edition, Springer-Verlag, Prof. Frank Träger (Ed) (2012)

R. Brunner, S. Holesch, F. Heinecke, O. Schindelbeck;
Vermessung des Handwackelns beim Fotografieren mit dem „Fotohandy“ ;  in Jahrbuch Optik und Feinmechanik 58. Jahrgang (2012), Optik Verlag 177-189, ISBN 978-37949-0831-8

Patentanmeldung Highly ordered arrays of micelles or nanoparticles on a substrate surface and methods for producing the same; PCT/EP2012/002090 (2012)

Patentanmeldung Process for producing highly ordered nanopillar or nanohole structures on large areas; WO 2012048870 (2012)

O. Sandfuchs, Ch. Schwanke, M. Burkhardt, F. Wyrowski, A. Gatto, and R. Brunner;
Modelling Adapted to Manufacturing Aspects of Holographic Grating Structures; JEOS Rapid Publications 6, 11006 (2011)

A. Szeghalmi, K. Sklarek, M. Helgert, R. Brunner, W. Erfurth, U. Gosele, and M. Knez;
Flexible Replication Technique for High-Aspect-Ratio; Nanostructures, Small, 6 (23), (2010), 2701–2707

Ch. Morhard, C. Pacholski, D. Lehr, R. Brunner, M. Helgert, M. Sundermann, and J. P. Spatz;
Tailored antireflective biomimetic nanostructures for UV applications; Nanotechnology 21 (2010) 425301 (6pp)

D. Lehr, M. Helgert, M. Sundermann, Ch. Morhard, C. Pacholski, J. Spatz, and R. Brunner;
Simulating different manufactured antireflective sub-wavelength structures considering the influence of local topographic variations;  Opt. Express 18(23) 23878-23890, (2010)

A. Szeghalmi, M. Helgert, R. Brunner, F. Heyroth, U. Gösele, and M. Knez;
Tunable Guided-Mode Resonance Grating Filter; Adv. Funct. Mater. 20 (2010) 2053-2063

R. Brunner, M. Burkhardt, S. Sinzinger;
Ultrakompakter Spektralsensor auf der Basis komplexer holographischer Elemente; in Jahrbuch Optik und Feinmechanik 56. Jahrgang (2010), Fachverlag Schiele & Schöne, Dr. W.-D. Prenzel (Ed.)17-32

T. Lohmüller, R. Brunner, J. P. Spatz;
Improved Properties of Optical Surfaces by Following the Example of the “Moth Eye“; in “Biomimetics, Learning from Nature"; InTech; A. Mukherjee (Ed); ISBN 978-953-307-025-4, (2010) 451-466

• Aktive mikrostrukturierte Optik (AkmOSys)
• Talbot Lithografie
• Nanostrukturierte Entspiegelung optischer Oberflächen (nano.AR)
• Hyperspektrale Bilderzeugung
• Topografieprofilierung
• Hocheffizeinte Simultan-Spektralsensoren mit grosser Bandbreite und hoher Auflösung (HiSPEK)
• Entwicklung eines optischen Moduls zum Laserstanzen forensischer Klebefolien zur Extraktion von Zellspuren

Industrie:

• ​AIM Micro Systems GmbH

• Aura Optik GmbH

• avateramedical GmbH

• Carl Zeiss Jena GmbH

• Carl Zeiss Meditec GmbH

• Carl Zeiss Spectroscopy GmbH

• Hella KGaA Hueck & Co

• Leica Camera AG

• Mahr GmbH

• NTG Neue Technologien GmbH & Co.KG

• Scienten Wissens- und Management Beratung GbR

​

Forschung:

• Hochschule Hamm-Lippstadt; Prof. Dr. Sandfuchs

• Fraunhofer-Institut für Angewandte Optik und Feinmechanik (IOF); Jena

• Fraunhofer-Institut für Angewandte Polymerforschung (IAP); Potsdam

• IIT Madras (India); Dr. Shanti Bhattacharya

• IMTEK Freiburg; Group Prof. Dr. U. Wallrabe

• INA, Universität Kassel; Group Prof. Dr. H.Hillmer

• Max Planck Institute for Intelligent Systems; Stuttgart; Group Prof. Dr. J. Spatz

• Paul Flechsig Institut für Hirnforschung - Universität Leipzig; Group Prof. Dr. Andreas Reichenbach

• TU Ilmenau; Group Prof. Dr. Stefan Sinzinger

• University of Potsdam; Applied Condensed-Matter Physics; Group Prof. Dr. Reimund Gerhard​