2025 Proceedings
The proceedings of Nonimaging Optics: Efficient Design for Illumination and Concentration XX have been published in Proceedings of SPIE, Volume 13597, edited by Lun Jiang, Håkon Jarand Dugstad Johnsen, Thomas A. Cooper, and Lien Smeesters .
View the whole volume through SPIE Digital LibraryProceedings at a Glance
9
Sessions
14
Published Papers
16
Recorded Presentations
Explore the published papers and presentations from the 2025 Nonimaging Optics conference, which was organized on 3-8 August 2025 in San Diego, California, United States.
Papers and Presentations
Opening Remarks
Perspectives on the History of the Conference
History and evolution of the nonimaging conference
Published Paper
Recorded Presentation
Theoretical Foundations and Modeling
FINISH: flowline interpretation of nonimaging systems with heuristics
Published Paper
Recorded Presentation
Ideal asymmetric nonimaging concentrator with restricted exit angles
Gianpaolo Lenarduzzi ; Thomas A. Cooper
Published Paper
Recorded Presentation
Flowline design of refractive optics
Published Paper
Recorded Presentation
Specialized and Emerging Applications
High-performance imaging with a nonimaging spatial information transfer lens and a backward wave propagation model
Published Paper
Recorded Presentation
Experimental validation of a prototype compound parabolic concentrator as a viable façade-mounted daylighting system
Published Paper
Recorded Presentation
Lighting and Illumination
Theory vs. manufacturing reality: bridging the disconnect in nonimaging optics
Erin M. McDermott
Published Paper
Recorded Presentation
Design of freeform LED illumination lenses without glare
Youri Meuret ; Jeroen Cerpentier
Published Paper
Recorded Presentation
Design Methods
Reflective freeform optics tailoring for off-axis illumination systems
Zijun Zhang ; Rengmao Wu
Published Paper
Recorded Presentation
Nonimaging Optics for Projection and Sensing
Array micro-optics: applications to projection and spectral sensing
Recorded Presentation
Improved efficiency automotive animated turn signal projector utilizing tandem free-form light control surfaces and etendue pinch devices
Published Paper
Recorded Presentation
μ-compound parabolic concentrator as alternative to microlens arrays
Benjamin A. Cohen ; Christopher Roberts ; Zachary Darling ; Madhavi Seetamraju ; Alberto Cabral ; Lalitha Parameswaran
Recorded Presentation
The XX Concentrator Design Challenge
The XX concentrator design challenge
Lien Smeesters ; Yamila Borsch ; Ludo Haenen ; Tobias Hönle ; John Hygelund ; Jean-Baptiste Keck ; Alex Lehmann ; Victor Poughon ; Henning Rehn
Published Paper
Recorded Presentation