| 摘要 |
A polarizer device, for converting an entry light beam into an exit light beam with a defined spatial distribution of polarization states, has an angle varying input device for receiving the entry light beam and for generating a first light beam with a predeterminable first angular distribution of light rays; an angle-selectively active polarization influencing device for receiving the first light beam and for converting the first light beam into a second light beam according to a defined angle function of the polarization state variation; and an angle varying output device for receiving the second light beam and for generating the exit light beam with a second angular distribution from the second light beam. In particular, polarization states with a radial or tangential polarization can be provided cost-effectively in this way.
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