Prof. Dirk J. Broer Profile

Prof. Dirk J. Broer

Professor at Technische Univ Eindhoven

SPIE Involvement:

Author | Editor

Area of Expertise:

Polymer chemistry , Liquid crystals , Electro-optics , Sensrs and actuators

Publications (40)

Proceedings Article | 18 June 2024 Presentation + Paper

Thermal actuation of topological soliton embedded into liquid crystal coating

J. Peixoto, D. Hall, D. Broer, I. Smalyukh, D. Liu

Proceedings Volume 13016, 1301605 (2024) https://doi.org/10.1117/12.3016266

KEYWORDS: Coating, Liquid crystals, Modulation, Solitons, Photopolymerization, Optical spheres, Optical tweezers, Optical surfaces

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Proceedings Article | 18 June 2024 Presentation

Motorized liquid crystals activate chirals performing work

Dirk Broer, Danqing Liu

Proceedings Volume PC13016, PC1301607 (2024) https://doi.org/10.1117/12.3016654

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Proceedings Article | 4 March 2022 Presentation + Paper

Steering cholesteric liquid crystal elastomer properties by positional variation of chiral molecular building blocks

Roel J. H. van Raak, Johan Lub, Albertus P. H. J. Schenning, Dirk Broer

Proceedings Volume 12023, 120230B (2022) https://doi.org/10.1117/12.2613682

KEYWORDS: Liquid crystals, Polymers, Molecules, Reflection, Optical coatings, Glasses, Polymerization, Refractive index, UV-Vis spectroscopy

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Proceedings Article | 22 April 2020 Presentation + Paper

Electric-field induced oscillating surface waves with programmable shapes

Fabian Visschers, Dirk Broer, Danqing Liu

Proceedings Volume 11375, 113751F (2020) https://doi.org/10.1117/12.2555410

KEYWORDS: Electrodes, Switches, Dielectrics, Finite element methods, Gold, Silicon, Digital holography, Telecommunications, Haptic technology, Oxides

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Proceedings Article | 1 March 2019 Presentation + Paper

Surface structures of hybrid aligned liquid crystal network coatings containing reverse tilt domain

Greta Babakhanova, Albert P. H. J. Schenning, Dirk Broer, Oleg Lavrentovich

Proceedings Volume 10941, 109410I (2019) https://doi.org/10.1117/12.2515507

KEYWORDS: Liquid crystals, Glasses, Polymers, Liquids, Crystals, Photopolymerization, Optical coatings, Interfaces, Digital holography, Atomic, molecular, and optical physics

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Proceedings Article | 14 September 2018 Paper

Oscillatory dynamic surface structures in patterned liquid crystal network coatings

Matthew Hendrikx, Danqing Liu, Albertus P.H. Schenning, Dirk Broer

Proceedings Volume 10735, 1073507 (2018) https://doi.org/10.1117/12.2320576

KEYWORDS: Liquid crystals, Ultraviolet radiation, Polarizers, Glasses, Polarization, Optical coatings, Polymers, Optical alignment, Digital holography, Holography

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Proceedings Article | 8 February 2018 Paper

Electric field switched surface topography of fingerprint liquid-crystal network polymer coating

Wei Feng, Danqing Liu, Dirk Broer

Proceedings Volume 10555, 105551B (2018) https://doi.org/10.1117/12.2287180

KEYWORDS: Coating, Liquid crystals, Polymers, Electrodes, Dielectrics, Polymerization

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Proceedings Article | 21 April 2017 Presentation

Morphing dynamics in light-triggered LC polymers (Conference Presentation)

Dirk Broer

Proceedings Volume 10125, 101250G (2017) https://doi.org/10.1117/12.2257213

KEYWORDS: Coating, Current controlled current source, Liquid crystals, Polymers, Thin film coatings, Ultraviolet radiation, Molecules, Thin films

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SPIE Journal Paper | 21 December 2015 Open Access

Enhanced lithographic resolution using longitudinal polarization state of light

My-Phung Van, Katsiaryna Ushakova, Cees W. Bastiaansen, Silvania Pereira, H. Paul Urbach, Dirk Broer

JM3, Vol. 14, Issue 04, 043509, (December 2015) https://doi.org/10.1117/12.10.1117/1.JMM.14.4.043509

KEYWORDS: Photoresist materials, Polarization, Resolution enhancement technologies, Lithography, Liquid crystals, Atomic force microscopy, Polarizers, Polymers, Beam splitters, Spiral phase plates

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Proceedings Article | 8 September 2015 Paper

Thermoresponsive scattering coating for smart white LEDs

Hugo Cornelissen, Joan Yu, Giovanni Cennini, Jurica Bauer, Paul Verbunt, Cees Bastiaansen, Dirk Broer

Proceedings Volume 9571, 957106 (2015) https://doi.org/10.1117/12.2189030

KEYWORDS: Light emitting diodes, Coating, Scattering, Black bodies, Liquid crystals, Light scattering, Liquids, Crystals, Geometrical optics, Ray tracing

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Proceedings Article | 11 March 2015 Paper

Surface dynamics and mechanics in liquid crystal polymer coatings

Danqing Liu, Dirk Broer

Proceedings Volume 9384, 938406 (2015) https://doi.org/10.1117/12.2077795

KEYWORDS: Liquid crystals, Polymers, Ultraviolet radiation, Glasses, Molecules, Liquids, Light sources, Switching, Lamps, Mechanics

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Proceedings Article | 7 October 2014 Paper

Infrared reflector based on liquid crystal polymers and its impact on thermal comfort conditions in buildings

Hitesh Khandelwal, Franziska Roberz, Roel C. G. Loonen, Jan L. Hensen, Cees Bastiaansen, Dick Broer, Michael Debije, Albert Schenning

Proceedings Volume 9182, 91820S (2014) https://doi.org/10.1117/12.2061851

KEYWORDS: Solar energy, Buildings, Infrared radiation, Liquid crystals, Reflectors, Polymers, Visible radiation, Liquids, Climatology, Reflectivity

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Proceedings Article | 1 May 2014 Paper

Optical and topographic changes in water-responsive patterned cholesteric liquid crystalline polymer coatings

Jelle Stumpel, Dirk Broer, Cees Bastiaansen, Albert Schenning

Proceedings Volume 9137, 91370U (2014) https://doi.org/10.1117/12.2052678

KEYWORDS: Polymers, Optical coatings, Liquid crystals, Polymer thin films, Reflection, Liquids, Crystals, Photopolymerization, Glasses, Polymerization

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Proceedings Article | 29 March 2013 Paper

Polarization selective photoresist based on reactive liquid crystals doped with a dichroic photoinitiator

My-Phung Van, Cees W. Bastiaansen, Dick Broer

Proceedings Volume 8682, 86821U (2013) https://doi.org/10.1117/12.2011336

KEYWORDS: Polarization, Polymerization, Liquid crystals, Photoresist materials, Holography, Liquids, Crystals, Molecules, Absorption, Glasses

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Proceedings Article | 5 March 2013 Paper

Engineered complex molecular order in liquid crystals towards unusual optics and responsive mechanics

Carlos Sánchez-Somolinos, Laurens de Haan, Albert P. H. Schenning, Cees W. Bastiaansen, Dirk Broer

Proceedings Volume 8642, 864204 (2013) https://doi.org/10.1117/12.2007269

KEYWORDS: Liquid crystals, Polarizers, Polarization, Crystal optics, Geometrical optics, Actuators, Polymers, Mechanics, Glasses, Ultraviolet radiation

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Proceedings Article | 2 May 2012 Paper

Organic wavelength selective mirrors for luminescent solar concentrators

Paul Verbunt, Michael Debije, Dirk Broer, Cees Bastiaansen, Dick de Boer

Proceedings Volume 8438, 843805 (2012) https://doi.org/10.1117/12.921814

KEYWORDS: Reflectors, Mirrors, Reflection, Photons, Waveguides, Solar concentrators, Liquids, Liquid crystals, Crystals, Absorption

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Proceedings Article | 11 February 2012 Paper

Photo-responsive surface topology in chiral nematic media

Danqing Liu, Cees Bastiaansen, Jaap. M. J. Toonder, Dirk Broer

Proceedings Volume 8279, 82790P (2012) https://doi.org/10.1117/12.909899

KEYWORDS: Ultraviolet radiation, Liquid crystals, Polymers, Coating, Molecules, 3D metrology, Photopolymerization, Glasses, Polymerization, Light sources

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Proceedings Article | 26 November 2009 Paper

On maximum field components in the focal point of a lens

H. P. Urbach, S. F. Pereira, D. J. Broer

Proceedings Volume 7506, 75060V (2009) https://doi.org/10.1117/12.852463

KEYWORDS: Polarization, Absorption, Image resolution, Liquid crystals, Polymers, Diffraction, Optical resolution, Polymerization, Chemical engineering, Chemistry

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Proceedings Article | 2 September 2008 Paper

Efficient and cost-effective polarized-light backlights for LCDs

Hugo Cornelissen, Henri J. Jagt, Dirk Broer, Cees W. Bastiaansen

Proceedings Volume 7058, 70580X (2008) https://doi.org/10.1117/12.801323

KEYWORDS: Waveguides, Polarizers, LCDs, Polarization, Positron emission tomography, Polymers, Polymethylmethacrylate, Liquid crystals, Reflectors, Refraction

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Proceedings Article | 31 January 2008 Paper

3D-structured liquid crystal networks formed by dichroic photoinitiator initiated photopolymerization

B. Serrano-Ramón, Ch. Kjellander, S. Zakerhamidi, C. Bastiaansen, D. Broer

Proceedings Volume 6911, 691109 (2008) https://doi.org/10.1117/12.768491

KEYWORDS: Liquid crystals, Polymerization, Polarization, Polymers, Ultraviolet radiation, Absorption, Molecules, Photopolymerization, Lithography, Diffusion

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Proceedings Article | 1 September 2006 Paper

Simplified spectropolarimetry using reactive mesogen polarization gratings

Michael Escuti, Chulwoo Oh, Carlos Sánchez, Cees Bastiaansen, Dirk Broer

Proceedings Volume 6302, 630207 (2006) https://doi.org/10.1117/12.681447

KEYWORDS: Polarization, Diffraction, Diffraction gratings, Polarimetry, Scattering, Liquid crystals, Birefringence, Neodymium, Polymers, Ultraviolet radiation

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Proceedings Article | 30 August 2006 Paper

InP-based planar photonic crystals infiltrated with solid polymers and liquid crystals

Rob van der Heijden, Charlotte Kjellander, Carl-Fredrik Carlström, Juri Snijders, Harm Kicken, Cees Bastiaansen, Dick Broer, Fouad Karouta, Richard Nötzel, Emile van der Drift, Huub Salemink

Proceedings Volume 6322, 632205 (2006) https://doi.org/10.1117/12.679358

KEYWORDS: Photonic crystals, Polymers, Liquid crystals, Liquids, Solids, Refractive index, Crystals, Scanning electron microscopy, Polymerization, Dielectric polarization

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Proceedings Article | 20 April 2006 Paper

Two-dimensional photonic crystals from semiconductor material with polymer filled holes

Rob van der Heijden, Charlotte Kjellander, Carl-Fredrik Carlström, Juri Snijders, Kees Bastiaansen, Dick Broer, Fouad Karouta, Richard Nötzel, Emile van der Drift, Huub Salemink

Proceedings Volume 6182, 618214 (2006) https://doi.org/10.1117/12.662660

KEYWORDS: Polymers, Photonic crystals, Liquids, Scanning electron microscopy, Polymerization, Waveguides, Inspection, Optical testing, Etching, Refractive index

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Proceedings Article | 27 February 2006 Paper

Polymerization-induced diffusion as a tool to generate periodic relief structures: a combinatorial study

Carlos Sánchez, Berend-Jan de Gans, Dimitri Kozodaev, Alexander Alexeev, Michael Escuti, Chris van Heesch, Thijs Bel, Ulrich Schubert, Cees Bastiaansen, Dirk Broer

Proceedings Volume 6136, 61360H (2006) https://doi.org/10.1117/12.649023

KEYWORDS: Polymers, Photopolymers, Photomasks, Diffusion, Lithography, Polymerization, Glasses, Atomic force microscopy, Polymer thin films, Floods

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Proceedings Article | 1 July 2005 Paper

Polymeric helices with submicron dimensions for MEMS devices

Anastasia Elias, Kenneth Harris, Cees Bastiaansen, Dirk Broer, Michael Brett

Proceedings Volume 5836, (2005) https://doi.org/10.1117/12.608584

KEYWORDS: Polymers, Liquid crystals, Crystals, Liquids, Polymer thin films, Thin films, Microelectromechanical systems, Molecules, Scanning electron microscopy, Temperature metrology

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Proceedings Article | 1 July 2005 Paper

Molecular orientation control for thermal and UV-driven polymer MEMS actuators

Kenneth Harris, Ruud Cuypers, Patrick Scheibe, Grietje Mol, Johan Lub, Cees W. Bastiaansen, Dirk Broer

Proceedings Volume 5836, (2005) https://doi.org/10.1117/12.608580

KEYWORDS: Polymers, Ultraviolet radiation, Liquid crystals, Absorption, Molecules, Actuators, Visible radiation, Microelectromechanical systems, Polymeric actuators, Polymer thin films

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Proceedings Article | 12 April 2005 Paper

Stimulated mechanical responses of liquid crystal networks with a splayed molecular organization

Titie Mol, Kenneth Harris, Cees Bastiaansen, Dirk Broer

Proceedings Volume 5741, (2005) https://doi.org/10.1117/12.589818

KEYWORDS: Polymers, Liquid crystals, Temperature metrology, Glasses, Polymerization, Polymer thin films, Modulation, Thin films, Microelectromechanical systems, Actuators

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Proceedings Article | 28 May 2004 Paper

Patterned alignment of liquid crystals

Soney Varghese, Sunil Narayanankutty, Cees Bastiaansen, Gregory Crawford, Dirk Broer

Proceedings Volume 5289, (2004) https://doi.org/10.1117/12.522895

KEYWORDS: Liquid crystals, LCDs, Atomic force microscopy, Optical spheres, Polarizers, Flat panel displays, Switching, Glasses, Polymers, Photomicroscopy

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Proceedings Article | 28 May 2004 Paper

Polarized back- and frontlights for LCDs

Chris Van Heesch, H. Jagt, Hugo Cornelissen, Dirk Broer, Cees Bastiaansen

Proceedings Volume 5289, (2004) https://doi.org/10.1117/12.549463

KEYWORDS: Waveguides, LCDs, Holography, Scattering, Light scattering, Diffraction gratings, Polarization, Polarizers, Refractive index, Diffraction

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Proceedings Article | 28 May 2004 Paper

Toward measuring concentration gradients in polymer-dispersed liquid crystals with secondary ion mass spectrometry

B. K. Charlotte Kjellander, Leo van IJzendoorn, Arthur de Jong, Dirk Broer, Wouter van Gennip, Martien de Voigt, Hans Niemantsverdriet

Proceedings Volume 5289, (2004) https://doi.org/10.1117/12.526549

KEYWORDS: Liquid crystals, Polymers, Ions, Polymer thin films, Mass spectrometry, Liquids, Optical components, Crystals, Holography, Scanning electron microscopy

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Proceedings Article | 5 January 2004 Paper

Optical performance of porous TiO2 chiral thin films

Andy van Popta, Scott Kennedy, Dirk Broer, Jeremy Sit, Michael Brett

Proceedings Volume 5213, (2004) https://doi.org/10.1117/12.506281

KEYWORDS: Liquid crystals, Thin films, Reflectivity, Refractive index, Optical activity, Reflection, Spectrophotometry, Transmittance, Light scattering, Solids

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Proceedings Article | 30 April 2003 Paper

Stratified LCDs: paintable LCDs produced by photo-enforced stratification

Stephen Klink, Roel Penterman, Joost Vogels, Edzer Huitema, Henk de Koning, Dick Broer

Proceedings Volume 5003, (2003) https://doi.org/10.1117/12.476158

KEYWORDS: LCDs, Liquid crystals, Polymers, Photovoltaics, Coating, Ultraviolet radiation, Electronic imaging, Quantum wells, Picosecond phenomena

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Proceedings Article | 12 December 2002 Paper

Colorful films for application in the electro-optical industry made by photopolymerization

Johan Lub, D. Broer, P. van de Witte

Proceedings Volume 4799, (2002) https://doi.org/10.1117/12.453305

KEYWORDS: Electro optics, Photopolymerization, Liquid crystals, Ultraviolet radiation, Mirrors, Visible radiation, Liquids, Crystals, Polymerization, LCDs

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Proceedings Article | 12 December 2002 Paper

Light-induced orientation of dyes in azobenzene containing LC polymers

Regina Rosenhauer, Th. Fischer, Joachim Stumpe, R. Giminez, Milagros Pinol, Jose-Luis Serrano, Dick Broer

Proceedings Volume 4799, (2002) https://doi.org/10.1117/12.453295

KEYWORDS: Polymers, Absorbance, Luminescence, Annealing, Liquid crystals, Absorption, Ultraviolet radiation, Anisotropy, Polymethylmethacrylate, Chromophores

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Proceedings Article | 14 May 2002 Paper

Optical behavior of chiral thin film-liquid crystal composite materials

Michael Brett, Jeremy Sit, Scott Kennedy, Ken Harris, Dick Broer

Proceedings Volume 4658, (2002) https://doi.org/10.1117/12.467449

KEYWORDS: Liquid crystals, Photoresist materials, Thin films, Optical properties, Molecules, Composites, Glasses, Switching, Silicon films, Aluminum

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Proceedings Article | 24 October 2000 Paper

Characterization of optical devices based on liquid crystals embedded in porous thin films

Jeremy Sit, Scott Kennedy, Dick Broer, Michael Brett

Proceedings Volume 4107, (2000) https://doi.org/10.1117/12.405315

KEYWORDS: Liquid crystals, Thin films, Optical properties, Switching, Composites, Polarization, Optical components, Optical alignment, Optical testing, Glasses

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Proceedings Article | 24 October 2000 Paper

Liquid crystal polymers and networks for display applications

Dick Broer, Jos Van Haaren, Johan Lub

Proceedings Volume 4107, (2000) https://doi.org/10.1117/12.405329

KEYWORDS: Reflection, Diffusion, Polymerization, Liquid crystals, Ultraviolet radiation, Polymers, Polarizers, LCDs, Polarization, Photopolymerization

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Proceedings Article | 27 October 1999 Paper

Chiral porous thin film/liquid crystal hybrid materials

Kevin Robbie, Jeremy Sit, Dick Broer, Michael Brett

Proceedings Volume 3803, (1999) https://doi.org/10.1117/12.366758

KEYWORDS: Liquid crystals, Polymers, Magnesium fluoride, LCDs, Molecules, Optical alignment, Thin films, Switching, Reflection, Glasses

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Proceedings Article | 30 June 1999 Paper

Optical properties of chiral thin films fabricated by glancing angle deposition

Jeremy Sit, Scott Kennedy, Dick Broer, Michael Brett

Proceedings Volume 3790, (1999) https://doi.org/10.1117/12.351250

KEYWORDS: Thin films, Optical properties, Polarization, Thin film deposition, Spectroscopy, Reflection, Refractive index, Polarizers, Sensors, Wave plates

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Proceedings Article | 1 March 1994 Paper

Coating composition and fiber lifetime

P. Bouten, Dick Broer

Proceedings Volume 2074, (1994) https://doi.org/10.1117/12.168646

KEYWORDS: Coating, Silica, Diffusion, Fiber coatings, Chlorine, Bismuth, Polymers, Solids, Environmental sensing, Corrosion

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Showing 5 of 40 publications

Proceedings Volume Editor (7)

SPIE Conference Volume | 4 March 2020

Emerging Liquid Crystal Technologies XV

SPIE Conference Volume | 7 June 2019

Emerging Liquid Crystal Technologies XIV

SPIE Conference Volume | 2 May 2018

Emerging Liquid Crystal Technologies XIII

SPIE Conference Volume | 30 March 2017

Emerging Liquid Crystal Technologies XII

SPIE Conference Volume | 29 July 2016

Emerging Liquid Crystal Technologies XI

Showing 5 of 7 publications

Conference Committee Involvement (18)

Emerging Liquid Crystal Technologies XV

3 February 2020 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIV

3 February 2019 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIII

29 January 2018 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XII

31 January 2017 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XI

16 February 2016 | San Francisco, California, United States

Emerging Liquid Crystal Technologies X

9 February 2015 | San Francisco, California, United States

Emerging Liquid Crystal Technologies IX

5 February 2014 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VIII

5 February 2013 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VII

22 January 2012 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VI

25 January 2011 | San Francisco, California, United States

Emerging Liquid Crystal Technologies V

25 January 2010 | San Francisco, California, United States

Emerging Liquid Crystal Technologies IV

25 January 2009 | San Jose, California, United States

Emerging Liquid Crystal Technologies III

20 January 2008 | San Jose, California, United States

Emerging Liquid Crystal Technologies II

21 January 2007 | San Jose, California, United States

Liquid Crystal Materials, Devices, and Applications XII

21 January 2006 | San Jose, California, United States

Emerging Liquid Crystal Technologies

25 January 2005 | San Jose, California, United States

Liquid Crystal Materials, Devices, and Applications X

19 January 2004 | San Jose, California, United States

Liquid Crystal Materials, Devices, and Applications IX

21 January 2003 | Santa Clara, CA, United States

Showing 5 of 18 Conference Committees

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