TOM3 Optical System Design, Tolerancing and Manufacturing


Oliver fahnle 1        Oliver Fähnle
Ostschweizer Fachhochschule
Sven schroder

Sven Schröder
Fraunhofer IOF

Marco hanft Marco Hanft

Carl Zeiss AG,
Jena (DE)


The topical meeting (TOM) on Optical System Design, Tolerancing and Manufacturing will highlight significant technology trends, emerging technologies and associated prospective developments in the field of optics design, tolerancing and fabrication. This TOM provides a forum for all aspects of optics design and fabrication, ranging from micro to large-scale optics and from high value one-off to mass-produced components including lessons learned papers on special design and manufacturing issues; also including the varieties of high quality optical coatings addressing materials, deposition methods and laser-induced damage threshold testing. One main goal of the meeting is to provide a better link between the design, the manufacturing, and the characterization of optical components and systems. Consequently, special attention will be paid to the collaboration between design and fabrication to generate cost-effective and manufacturable optical systems.


  • Optical and optomechanical system design and tolerancing
  • Optics Fabrication, from single piece to High-Volume Fab, sub-millimeter to meter optics, wafer-level optics
  • Optical modeling and Design methods
  • Upcoming technologies enabling innovative optical designs for new applications
  • Challenges of cost-effective manufacturability and testing methods based on a smart tolerancing process and well-adapted alignment strategies.
  • Testing, Specification, and Characterization of Light Scattering
  • Roughness, Shape, Defects, subsurface damage, MTF and mid-spatials
  • Finishing methods, e.g. SPDT, MRF, IBF, SLE, ductile grinding, FJP, laser polishing, CCP and traditional polishing
  • Optimization techniques in optics fabrication
  • Fabrication friendly Optical Design and Tolerancing – and vice versa
  • Optical coatings – challenges and solutions
  • Holistic design considering polishing and coating effects on surface properties, optical performance, and losses
  • Cleaning issues and strategies
  • Lessons learned producing high level aspheres and freeform optics
  • Education in optics design and fabrication
  • Start-up companies presenting their technologies
  •  Optics for high-power laser applications
  • High quality optical coatings and laser-induced damage threshold testing



Program Committee

Thomas Arnold, University of Leipzig (DE)

Matthias Beier, Fraunhofer IOF (DE)

Julie Bentley, University of Rochester (US)

Jens Bliedtner, EAH Jena (DE)

Andrew Boyd, Qioptiq Ltd. (UK)

Stefan Bäumer, TNO (NL)

Dae Wook Kim, University of Arizona (US)

Jessica DeGroote Nelson, Optimax, Rochester (US)

Andreas Ettemeyer, NTB, Buchs (CH)

Frank Frost, Leibniz-Institut für Oberflächenmodifizierung e.V. (DE) 

Yohei Fujishima, Nikon (JP)

Alois Herkommer, Universität Stuttgart (DE)

Jyrki Kimmel, Nokia-Bell-Labs (FI)

Sven Kiontke, Asphericon (DE)

Irina Livshits, ITMO-University (RU)

Julius Muschaweck, JMO GmbH (DE)

Marcus Trost, Fraunhofer IOF (DE)

David Walker, University of Huddersfield (UK)

Yongtian Wang, Beijing Institute of Technology (CN)

Reinhard Völkl, SUSS MicroOptics SA (CH)

Xuejun Zhang, Changchun Institute of Optics (CN)

Invited Speakers

Title: Freeform metal optics for New Space applications

Matthias Beier, SPACEOPTIX GmbH (DE)


Title: Automated Monte Carlo starting point search methods for the rapid design of complex zoom lenses

Julie Bentley, University of Rochester (US)


Title: Pre-heating by defocusation of the CO2-Laser polishing beam: an experimental report from the lab-floor

Jens Bliedtner, Ernst-Abbe University of Applied Sciences, Jena (DE)


Title: Multiplexed computer controlled optical surfacing using multiple tools

Dae Wook Kim, University of Arizona (US)






Title: Working towards higher precision freeforms, focusing on total error

Jessica DeGroote Nelson, Optimax, Rochester (US)


Title: State of the art and future IBF applications

David Schäfer, NTG Neue Technologien GmbH & Co.KG (DE)


Title: A precise (or is it accurate?) introduction to:- Accuracy and Precision

David Walker, University of Huddersfield (UK)


Title: Designing freeform imaging optics based on machine learning

Tong Yang, Beijing Institute of Technology (CN)











Modelling of Processes in Optical Fabrication and Photonics Systems Generation

Oliver Fähnle, OST – Ostschweizer Fachhochschule, (CH)