title: Generation of arbitrary spatially variant polarization beams with a trapezoid Sagnac interferometer.
abstract: We present a flexible approach to generate arbitrary vector beams with a trapezoid Sagnac interferometer. With the interferometer, the different orders of two orthogonally polarized beams from computer-generated holograms coincide with each other in Fourier spectrum domain, and coaxially combine into the vector beams. This approach provides convenient way to experimentally study the properties of vector beams with complex polarization.
authors.affiliation: The Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education and Shaanxi Key Laboratory of Optical Information Technology, School of Science, Northwestern Polytechnical University, Xi'an 710072, China.
authors.forename: Sheng
authors.initials: S
authors.lastname: Liu
authors.forename: Peng
authors.initials: P
authors.lastname: Li
authors.forename: Tao
authors.initials: T
authors.lastname: Peng
authors.forename: Jianlin
authors.initials: J
authors.lastname: Zhao