Optical Metrology
Phone +49(0)421 - 218 58016/127
Main Working Areas in the Optical Metrology
- Fundamentals
Development of new methods including combinative and virtual measuring
technologies, method development, method combination, construction of a
virtual lab
- Design of measuring systems
Development of methods (methodology of the active measuring
technology), components and systems design
- Combinative metrology
Combination of different methods for enhancemanet of the resolution,
integration in processes for process and quality assurance
- Non-destructive testing
Investigation of new sensor principles (Integrated optics, Fiber
optical sensors, surface structures etc.)
Applications
- Form and deformation measurement
- Vibration measurement
- Flow measurement, Particle detection and analysis
- Tension and strain analysis
- Non destructive testing - NDT
- Bumps, crack and material defect
- Material long time behavior
- Quality assurance, documentation
- Metrology production and process control
- Reengineering
- Coal mining measurement
- Means of transportation
Measuring Methods
- Coherent methods
- Digital Holography
- Holografic Interferometry
- Comparative Holografic Interferometry
- Electronic Speckle Pattern Interferometry(ESPI)
- Shearography
- Holographic metrology with short (ps, fs) Pulse
- Grating-Holography
- Incoherent methods
- Shape-like measurement
- Pointwise/Scanned measurement
- Lasertriangulation
- Laserscanning
- Software
- Virtual metrology
- Simulation technologies/modeling (CAE)
- Simulation and finite element computation
- Numerical reconstruction of digitally recorded holograms
- Computer generated holograms for quality of optical fields
- Image processing (Fringe Processor)
- Hybrid methods
- Laser ultrasound
- Scaleable topometry
- Speckle-Photography
- Combination of coherent-optical measuring methods with simulation
and finite element computation
