An explicit expression for phase difference introduced by ideal waveplates is obtained based on Fermat’s principle. The results obtained differ from the ones in literature and turn out to be useful for their design.
© 2008 The Optical Society
(230.0230) Optical devices : Optical devices
(230.5440) Optical devices : Polarization-selective devices
(350.0350) Other areas of optics : Other areas of optics
(350.5030) Other areas of optics : Phase
F. E. Veiras and L. I. Perez, "Phase Shift Formulas for Waveplates in Oblique Incidence," in Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing, OSA Technical Digest (CD) (Optical Society of America, 2008), paper PDPA2.
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