| 摘要 |
The invention relates to converting a first light signal (L1) into a second light signal (L2) polarized according to a set of different states of polarization, whereby the set of different polarization states is represented by a corresponding set, of Stokes vectors in a Stokes space representation, and wherein the end points of the set of Stokes vectors span a geometric shape, wherein, in response to a desired geometric shape with an arbitrary orientation in the Stokes space, a setting (C1, C2) of at least two adjustable optical elements (22, 23) arranged in an optical path between an optical input (201) and an optical output (202) is determined such that, while varying the wavelength of the input signal (L1) within a certain range, corresponding variations of the geometric shape are below a desired value.
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