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Acta Optica Sinica, Volume. 40, Issue 6, 0606001(2020)

Experimental Investigation of Fiber Scrambling

Huiqi Ye1,2、*, Kai Huang3, Dong Xiao1,2, Kai Zhang1,2, Ping Chen3, and Ruyi Wei4
Author Affiliations
  • 1Nanjing Institute of Astronomical Optics & Technology, National Astronomical Observatories, Chinese Academy of Sciences, Nanjing, Jiangsu 210042, China;
  • 2Key Laboratory of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing Institute of Astronomical Optics & Technology, Nanjing, Jiangsu 210042, China;
  • 3Institute of Modern Optics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China
  • 4Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shaanxi 710119, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (20)
    Cited By (2)
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    Figures & Tables(10)
    Setup of fiber scrambling test

    Fig. 1. Setup of fiber scrambling test

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    Schematic of fiber scrambling system. 1) Single cir-fiber; 2) single oct-fiber; 3) cir-oct-cir fiber; 4) double cir-fiber scrambler; 5) cir & oct double fiber scrambler; 6) double oct-fiber scrambler

    Fig. 2. Schematic of fiber scrambling system. 1) Single cir-fiber; 2) single oct-fiber; 3) cir-oct-cir fiber; 4) double cir-fiber scrambler; 5) cir & oct double fiber scrambler; 6) double oct-fiber scrambler

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    Schematic of ball lens double scrambler

    Fig. 3. Schematic of ball lens double scrambler

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    Input position translation

    Fig. 4. Input position translation

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    Near-field centroid shift induced by input position translation. (a)(b) Single cir-fiber; (c)(d) double oct-fiber scrambler

    Fig. 5. Near-field centroid shift induced by input position translation. (a)(b) Single cir-fiber; (c)(d) double oct-fiber scrambler

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    Far field distribution induced by input position translation. (a)(b) Single cir-fiber; (c)(d) double oct-fiber scrambler

    Fig. 6. Far field distribution induced by input position translation. (a)(b) Single cir-fiber; (c)(d) double oct-fiber scrambler

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    Schematic of input pupils. (a) Circular; (b) ring; (c) half-circular

    Fig. 7. Schematic of input pupils. (a) Circular; (b) ring; (c) half-circular

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    Schematic of twin lens double scrambler

    Fig. 8. Schematic of twin lens double scrambler

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    • Table 1. Influence of input position translation on near field and far field of fiber scrambling system

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      Table 1. Influence of input position translation on near field and far field of fiber scrambling system

      NumberFiber scrambling systemgSGxgSGygSGFar field variation
      1Single cir-fiber958514452>5%
      2Single oct-fiber16091229976>5%
      3Cir-oct-cir fiber131049241266~10%
      4Double cir-fiber scrambler226179872176<2%
      5Cir & oct double fiber scrambler835140743361<3%
      6Double oct-fiber scrambler290744911125018<2%

    • Table 2. Influence of input pupil variations on near field and far field of fiber scrambling system

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      Table 2. Influence of input pupil variations on near field and far field of fiber scrambling system

      NumberFiber scrambling systemNear field MSEFar field variation
      1Single cir-fiber4.374>10%
      2Singleoct-fiber1.742>20%
      3Cir-oct-cir fiber1.509>20%
      4Double cir-fiber scrambler0.277<3%
      5Cir & oct double fiber scrambler0.446<3%
      6Double oct-fiber scrambler0.193<2%
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    Huiqi Ye, Kai Huang, Dong Xiao, Kai Zhang, Ping Chen, Ruyi Wei. Experimental Investigation of Fiber Scrambling[J]. Acta Optica Sinica, 2020, 40(6): 0606001

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Sep. 3, 2019

    Accepted: Nov. 12, 2019

    Published Online: Mar. 6, 2020

    The Author Email: Huiqi Ye (hqye@niaot.ac.cn)

    DOI:10.3788/AOS202040.0606001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology