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September 10, 2025Journal of Optical Communications

Monomode triangular index fiber excitation through upside down tapered cylindrical microlens on its end face: study of coupling in the presence of mechanical offsets

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Authors

ALA. LahiriAMAngshuman MajumdarMMMithun Maity

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Overview

Analytical evaluation shows coupling efficiency of monomode triangular index fiber with offsets, highlighting tolerance limits.

Key Points

  • Coupling efficiency revealed significant sensitivity to mechanical offsets, improving overall system performance.
  • Using the ABCD matrix, analytical formulas predict coupling efficiencies for various offset conditions.
  • Analysis was conducted across two laser wavelengths—1.3 µm and 1.5 µm—on triangular index fibers.
  • This work underscores the importance of lens design in maintaining optical coupling under mechanical disturbances.

Cite This Study

Lahiri et al. (2025) studied this question.

synapsesocial.com/papers/68c1afc654b1d3bfb60e77a7https://doi.org/10.1515/joc-2025-0249
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The effect of misalignment on the coupling optics involving laser diode and single-mode triangular index fiber with an upside down tapered hyperbolic microlens on its tip2024
  2. 2Reflected intensity noise owing to offset coupling in case of excitation of triangular index fiber through upside down tapered cylindrical microlens on the end face of the fiber2025
  3. 3Investigation of optical coupling characteristics in a single-mode elliptical core step-index fiber integrated with a cylindrical microlens under mechanical offset conditions2026
  4. 4Launch optics in case of single-mode elliptical core step-index fiber with cylindrical microlens on its tip2026 · 1 citations
  5. 5Reflected intensity noise for laser diode to cylindrical microlens on the elliptical core step index fiber2026