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Related Experiment Videos

Complex fiber grating structures fabricated by sequential writing with polarization control.

Kai-Ping Chuang1, Yinchieh Lai, Lih-Gen Sheu

  • 1Institute of Electro-Optical Engineering, National Chiao-Tung University, Hsinchu 300, Taiwan.

Optics Letters
|February 20, 2004
PubMed
Summary
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A new method enables flexible fabrication of complex fiber gratings. This technique allows for precise control over polarization, creating apodized and phase-shifted fiber Bragg gratings (FBGs) in one step.

Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Fiber Bragg gratings (FBGs) are crucial optical components.
  • Fabricating complex FBG structures with precise control remains challenging.

Purpose of the Study:

  • To present a flexible method for fabricating complex fiber grating structures.
  • To demonstrate the fabrication of apodized and phase-shifted FBGs with polarization control.

Main Methods:

  • Sequential writing technique for fiber gratings.
  • Utilizing polarization control of the UV source beam.
  • Single scan fabrication process.

Main Results:

  • Successful fabrication of pure apodized fiber Bragg gratings.
  • Demonstrated fabrication of arbitrary phase-shifted fiber Bragg gratings.

Related Experiment Videos

  • Experimental examples of raised-cos2 apodized and dispersionless FBG filters.

    • Conclusions:

    • The proposed method offers a flexible approach to complex fiber grating fabrication.
    • The technique allows for single-scan production of advanced FBG designs.
    • Feasibility demonstrated through various complex grating filter examples.