We demonstrate an interferometer based on interference of radially and azimuthally polarized beams. The spatially varying intensity provides additional information improving phase-change measurements compared with a conventional interferometer.
© 2011 OSA
G. Lerman and U. Levy, "Radial Polarization Interferometer," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JThB118.