Concepedia
Statistics
Publications
11
Citations
634
H-Index
Active since
1986
Affiliations
Carl Zeiss (Germany)(Current)
University of Arizona
Phasex (United States)
Carl Zeiss (United States)
Klaus Freischlad is an author at Carl Zeiss (Germany) specializing in engineering, measurement, and instrumentation.
Top concepts
EngineeringCalibrationMeasurementInterferometryInstrumentationEducationOptical PropertiesTime MetrologyInverse ProblemsSignal Processing
Publications per year
1986–2007
Fourier description of digital phase-measuring interferometry
Klaus Freischlad, Chris L. Koliopoulos · Journal of the Optical Society of America A · 1990 · 232 citations
Engineering, Random Phase Errors, Measurement +14
Modal estimation of a wave front from difference measurements using the discrete Fourier transform
Klaus Freischlad, Chris L. Koliopoulos · Journal of the Optical Society of America A · 1986 · 190 citations
Engineering, Wave Front, Measurement +19
Absolute interferometric testing based on reconstruction of rotational shear
Klaus Freischlad · Applied Optics · 2001 · 72 citations
Geometric Modeling, Engineering, Coherent Gradient Sensing +14
Interferometry for wafer dimensional metrology
Klaus Freischlad, Shouhong Tang, Jim Grenfell · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2007 · 26 citations
Engineering, Measurement, Mechanical Engineering +17
Wavefront Reconstruction from Noisy Slope or Difference Data Using the Discrete Fourier Transform
Klaus Freischlad, Chris L. Koliopoulos · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1986 · 25 citations
Image Reconstruction, Engineering, Sensor Array +18
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