11 December 1992 Alignment technique for polarization-based optical systems
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In this paper, the synthetical analyses on the derivation of alignment in the application of the polarization optical technique are presented upon the main error sources of this technique. Consequently, a novel alignment system is developed to improve the alignment technique, which is composed of a combination of two parallel polarizers, bidirectional-double path, two detectors, and electrical signa processor. Using this system, we have realized accurate alignments between PM fibers and their in-line devices.
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Lie-yi Sheng, Lie-yi Sheng, Bin Lin, Bin Lin, Senlu Xu, Senlu Xu, Lie-wei Zhu, Lie-wei Zhu, "Alignment technique for polarization-based optical systems", Proc. SPIE 1746, Polarization Analysis and Measurement, (11 December 1992); doi: 10.1117/12.138786; https://doi.org/10.1117/12.138786

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