Review of self-referenced measurement algorithms: Bridging lateral shearing interferometry and multi-probe error separation
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers of Mechanical Engineering"
DOI: 10.1007/s11465-017-0432-3
Abstract: With the development of new materials and ultra-precision processing technology, the sizes of measured objects increase, and the requirements for machining accuracy and surface quality become more exacting. The traditional measurement method based on reference… read more here.
Keywords: error; lateral shearing; error separation; shearing interferometry ... See more keywords
Experimental investigations of temperature distribution in non-premixed flames with different gas compositions by large lateral shearing interferometry
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quantitative Spectroscopy and Radiative Transfer"
DOI: 10.1016/j.jqsrt.2018.12.008
Abstract: Abstract The gas temperature fields of axisymmetric co-annular laminar diffusion ethylene flame jets in air and oxygen-enriched atmospheres were measured and visualized using large lateral shearing interferometry. The relationship between the refractive index and the… read more here.
Keywords: gas; gas compositions; lateral shearing; large lateral ... See more keywords
Echelle gratings tiling method based on lateral shearing interferometry
Sign Up to like & getrecommendations! Published in 2022 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2021.107475
Abstract: Abstract A method for echelle gratings tiling based on lateral shearing interferometry is proposed. Fringe patterns of the grating assembly are generated by a wedge plate. Mosaic errors can be calculated and corrected by observing… read more here.
Keywords: lateral shearing; echelle gratings; method; shearing interferometry ... See more keywords
Method for improving measurement efficiency of lateral shearing interferometry
Sign Up to like & getrecommendations! Published in 2017 at "Optical Engineering"
DOI: 10.1117/1.oe.56.2.024107
Abstract: Abstract. The computation time of wavefront reconstruction is decreased by sampling the difference fronts in the present study. The wavefront can be reconstructed with high accuracy up to 64 Zernike terms with only 32×32 sampled… read more here.
Keywords: difference; efficiency lateral; measurement efficiency; shearing interferometry ... See more keywords
Quadriwave lateral shearing interferometry based on double birefringent crystals of beam displacer.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.478344
Abstract: A quadriwave lateral shearing interferometry (QWLSI) is proposed based on double birefringent crystals of a beam displacer (DBCs-BD). The DBCs-BD is formed by adopting two birefringent crystals of a polarization beam displacer (PBD), which can… read more here.
Keywords: shearing interferometry; beam displacer; birefringent crystals; quadriwave lateral ... See more keywords