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Apparatus to transform two nonparallel propagating optical beam components into two orthogonally polarized beam components
Apparatus to transform two nonparallel propagating optical beam components into two orthogonally polarized beam components
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机译:将两个非平行传播光束分量转换成两个正交偏振光束分量的装置
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摘要
The invention features systems and methods for generating optical beams having substantially orthogonal polarizations for use in distance measuring interferometry. In one embodiment, the invention features a system including a source which during operation generates two nonparallel propagating source beams; and a retarder element positioned to receive the two nonparallel propagating source beams and convert them into two nonparallel propagating output beams that are polarized substantially orthogonal to one another. The system can further include a birefringent prism positioned to receive the two nonparallel propagating output beams and produce two parallel output beams.
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