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physics.optics2026
A New Twist on Astigmatic Transformation: Beyond Laguerre-Gaussian Beams
Gabriela Flores-Cova, Bikash Kumar Das, Carmelo Rosales-Guzman +2
Astigmatic transformation is widely used to convert the azimuthal phase structure of Laguerre-Gaussian vortex beams into intensity patterns from which the topological charge can be…
physics.optics2026
Constant sensitivity birefringence metrology using vector vortex beams
Gabriela Flores-Cova, Daniel Salamanca-Roldán, Carmelo Rosales-Guzmán +2
Differential Interference Contrast (DIC) microscopy and chiral analysis are two imaging techniques that measure the birefringence, i.e., the phase difference introduced by a sample…