Surface topography measurement by frequency sweeping digital holography
High-precision measurements of mechanical parts' surface topography represent an
essential task in many industry sectors. Examples of such tasks are, eg, precise alignments …
essential task in many industry sectors. Examples of such tasks are, eg, precise alignments …
Digital holographic interferometry for the measurement of symmetrical temperature fields in liquids
In this paper, we present a method of quantitatively measuring in real-time the dynamic
temperature field change and visualization of volumetric temperature fields generated by a …
temperature field change and visualization of volumetric temperature fields generated by a …
Multiple angle digital holography for the shape measurement of the unpainted tympanic membrane
The shape of the tympanic membrane (TM) plays an important role in sound transmission
through the ear for hearing. Previously we developed a high-speed holographic system …
through the ear for hearing. Previously we developed a high-speed holographic system …
Correlation-coefficient based auto-focusing algorithm for focus detection in shape measurement using two-source digital holographic interferometry
J Dong, S Jia, C Jiang - Measurement Science and Technology, 2018 - iopscience.iop.org
In this study, a simple auto-focusing algorithm to determine the focus plane in shape
measurement using two-source digital holographic interferometry is presented. The wave …
measurement using two-source digital holographic interferometry is presented. The wave …
Parameter optimization of frequency sweeping digital holography for the measurement of ground optical surfaces
F Kaván, P Psota, M Mach, M Stašík, V Lédl - Applied Optics, 2021 - opg.optica.org
This paper describes the dependence of the precision of digital holographic methods on
measurement parameters. The predominantly discussed parameters are illumination …
measurement parameters. The predominantly discussed parameters are illumination …
[PDF][PDF] Advanced measurement procedure for interferometric microscope for three-dimensional imaging of complex surfaces using two-wavelength interferometry and …
M Stašík, F Kaván, M Mach, K Sedláčková… - Sensors & …, 2020 - sensorsportal.com
Digital holographic microscopy is a powerful 3D imaging tool for industrial surface
inspection and scientific experiment evaluation, as it provides lateral resolution similar to …
inspection and scientific experiment evaluation, as it provides lateral resolution similar to …
[PDF][PDF] Two-wavelengths Interferometry as Confocal Microscope Extension to Provide 3D Imaging Capabilities
M Stašík, F Kaván, M Mach, K Sedláčková… - Proceedings of the …, 2020 - sensorsportal.com
Digital holographic microscopy is a powerful 3D imaging tool for industrial surface
inspection and scientific experiment evaluation, as it provides similar lateral resolution as …
inspection and scientific experiment evaluation, as it provides similar lateral resolution as …
Sensitivity vector map retrieval in digital holography used for shape measurement
V Lédl, P Psota, P Vojtíšek - Optics and Measurement …, 2016 - spiedigitallibrary.org
The freeform and aspheric measurement in the industry is rather cumbersome. This situation
led us to the decision to start the development of the metrology tool offering the …
led us to the decision to start the development of the metrology tool offering the …
Challenges in holographic measurement of aspheric and freeform optical components shape
V Lédl, P Psota, P Vojtíšek, R Doleček… - … and Modern Trends …, 2015 - spiedigitallibrary.org
The use of Aspherical and free form components is not any more the domain of very special
applications and systems. Ever growing demand for better performing systems is pushing …
applications and systems. Ever growing demand for better performing systems is pushing …