Holographic optical element based single-mode hybrid fiber optic interferometer for realizing zero-order fringe |
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| Authors: | Venkatapuram S Sudarshanam Sastry V Pappu |
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| Institution: |
a Department of Electrical Engineering, Fiber and Electro Optics Research Center Virginia Polytechnic Institute and State University, Blacksburg, VA
b Department of Physics, Central Michigan University Mt. Pleasant, MI |
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| Abstract: | A holographic optical element (HOE) based single-mode hybrid fiber optic interferometer for realizing the zero-order fringe is described. The HOE proposed and used integrates the actions of a beam combiner and a lens, and endows the interferometer with high tolerance for repositioning errors. The proposed method is simple and offers advantages such as the elimination of in situ processing for the hologram. |
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