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Professor Dr. Ralf Bernhard Bergmann

Address BIAS - Bremer Institut für Angewandte Strahltechnik GmbH
Klagenfurter Straße 5
28359 Bremen

ORCID-ID 0000-0003-0214-2232

Projects

As Applicant
- Current projects
  - Hypercentric Imaging in Coherent Optical Metrology (HyperCOMet) (Research Grants)
  - Phase measuring deflectometry with active display registration (Research Grants)
  - Wavefront shaping by computer generated volume holograms for optogenetic applications (HoloGen) (Research Grants)
  - Optical surface metrology with spatially and temporally partially coherent light wave fields, Application transfer (OPaL:Transfer) (Research Grants)
  - Investigation of the structure function for analysis of optically measured surface data (Structure Function II) (Research Grants)
  - Shape measurement by means of imaging using partially coherent illumination - part 2 (Spice II) (Research Grants)
  - Securing valuable documents using computer generated holograms printed with photochromic inks (Secret-CGH) (Research Grants)
  - In-situ-sensing of 3d refractive index distribution during additive manufacturing of GRIN optics (InProGrin) (Research Grants)
- Completed projects
  - Digital Holography with Increased Space-Bandwidth Product (Research Grants)
  - Dynamic synthesis of 3D light field with a high space bandwidth product from the superposition of mutually coherent multiple diffracted wavefields generated by a set of programmable spatial light modulators - Dynamic Light Field Synthesis (DynaLiFeS) (Research Grants)
  - Dynamische Erzeugung von Lichtwellenfeldern mit Hilfe von Computer-Generierten Volumen-Hologrammen (DynaHolo) (Research Grants)
  - Verfahren zur vollständigen Bestimmung kohärenter Wellenfelder nach dem Prinzip der Selbstreferenz: Teil II (WeSer II) (Research Grants)
  - Interaction-mechanisms of laser-generated plate- and shearwaves with imperfections in fibre-reinforced plastics (Research Grants)
  - Diffractive optical surfaces with spatially variable structures angle (Research Grants)
  - Rapid shape measurement based on the measurement of the mutual coherence function using a shear interferometer (Gamma-Profilometry) (Research Grants)
  - Efficient, simultaneous vision ray calibration and system orientation for high precision geometric-optical 3D-measurement systems (Research Grants)
  - Highly accurate deflectometric shape measurement including the non ideal properties of a display as reference plane (Research Grants)
  - Deflectometry for technical surfaces (DOTS) (Research Grants)
  - Referenceless phase holography for reconstruction of complete optical wave fields for metrology and displays II (RELPH II) (Research Grants)
  - Optical surface metrology with spatially and temporally partially coherent light wave fields (OPaL 2) (Research Grants)
  - Holistic multi-camera deflectometry (MultiDeflect) (Research Grants)
  - Camera calibration by vision threads with pixel-resolved focus measurement (Research Grants)
  - Sensing and Analysis of THz-Radiation using the Coherence Function (SensATion) (Research Grants)
  - Super-resolution optical microscopy using transmissive micro structures (Research Grants)
As Project Head
- Completed projects
  - Increasing life time of micro deep drawing tools (Collaborative Research Centres)
  - Quality inspection and logistic quality assurance of micro technical manufacturing processes (Collaborative Research Centres)
  - Development of an imaging system for the investigation of functional surfaces within the cavity of a micro component (Collaborative Research Centres)

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