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Optical Fabrication and Testing (OF&T)

15 - 19 June 2025


Optical Fabrication and Testing (OF&T)

 

  1. Optical Materials
    • New materials for new applications (metamaterials, composites, plastics, crystals, glasses, lightweight materials, ceramics, carbides, chalcogenides, UV optical materials, additive manufacturing)
    • Material properties and the response to fabrication processes
    • Gradient optics
    • Advancements in traditional materials
  2. Grinding and Polishing
    • Grinding, precision grinding, diamond turning and milling, ultrasound assisted machining, vibration assisted polishing, processing of edges
    • New ideas in traditional (pitch) polishing, magnetic field-assisted finishing, ion beam figuring and polishing, fluid-jet polishing, novel finishing processes
    • Abrasives, novel abrasive formulations, abrasive-impregnated pads
  3. Advanced Micro-Optics Fabrication
    • Laser micromachining and laser polishing
    • 3D printing, additive manufacturing
    • High precision diamond turning
    • Novel lithography techniques
    • Deterministic figuring techniques, mid-to-high spatial frequency error control and various smoothing approaches during computer controlled optical surfacing
  4. Optical Testing and Advanced Metrology Systems
    • Testing for sub-surface damage, homogeneity, form, finish and scratch/dig
    • Measurement, interpretation and applications of power spectral density
    • New ideas in interferometry, direct slope/curvature measurement
    • Testing aspheric surfaces with and without null-optics, reconfigurable nulls
    • Computer-generated holograms and spatial light modulators for testing
    • Absolute tests for flats, spheres and aspheres
    • New concepts in profilometry: optical and mechanical probes
    • Testing of very small optics
    • White light interferometry, fringe projection metrology, deflectometry
    • Testing in adverse environments: vibration, turbulence, vacuum and space
    • In-process metrology
    • Testing of freeform surfaces
    • Immersive and low contrast testing methods
    • Metalens, Metasurfce and flat optics metrology
  5. Assembly, Alignment, Contamination Control, Cleaning, Packaging
    • Adhesives and cements for elevated, ambient and low temperature
    • Stable joining of optical surfaces by optical contacting, direct bonding or laser welding
    • Alignment of optical components and systems containing aspheric elements
    • Alignment of multi-element mirrors
    • Measurement and control of deformation and stress birefringence in mounting
    • Cleaning optics, clean rooms and contamination control
    • Handling and packaging of precision optics
    • Automated alignment methods and techniques
    • Mount induced stress resistant optical designs
  6. Process Engineering
    • Glass and plastic (micro) molding to high surface accuracy and low surface roughness
    • Cost effective optics manufacturing processes
    • Engineering gradient index optics
    • Cost effective fabrication of aspheric surfaces
    • Automation of the manufacturing chain in optics fabrication
    • Good and bad experiences from the shop floor
    • Cleanliness in processing, coating, handling and shipping
    • Advanced post processing techniques for diamond turned surfaces
  7. Fabricating Next Generation Optical Systems
    • Photolithography optics
    • Adaptive optics
    • Integrated optics
    • Freeform optical systems and industrial manufacturing
    • Replicated optical surfaces
    • Advanced coating technologies
  8. Large Optics
    • Fabrication and testing of large optics for EUV and X-Ray applications
    • Large optics for earth-based and space-based applications
    • Adaptive optical systems
    • Gravity sag compensation systems
  9. Nanostructures and Films
    • Characterization of coatings for advanced laser optics
    • Nanostructures on optical surfaces
  10. Optics for High Fluence or High CW Density Applications
    • Materials and surface treatments for high Laser Induced Damage Threshold
    • Lifetime testing and environmental impact
    • Modelling and experiments on damage mechanisms
    • Integrated liquid or convection cooled optics
    • Passive/active thermal compensating optical systems
  11. Education and Training in Optics Metrology and Finishing Science
    • Uncertainty and traceability
    • Interpretation of metrics for optical surface characterization
  12. AI-aided Manufacturing and Metrology
    • Machine Learning
    • Predictive Manufacturing
    • AI-aided Testing

 
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