An optical test to unveil twisting of birefringent crystals in spherulites
Sign Up to like & getrecommendations! Published in 2019 at "Royal Society Open Science"
DOI: 10.1098/rsos.181215
Abstract: Helical conformations and structures are frequently observed in materials. The presence of helices at points of the unit cell of a crystal, on a larger size scale in the crystalline lattice or even in the… read more here.
Keywords: twisting birefringent; unveil twisting; test unveil; birefringent crystals ... 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