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Dual GRIN lens wavelength multiplexer.

B D Metcalf1, L Jou

  • 1Mitre Corporation, Burlington Road, Bedford, Massachusetts 01730, USA.

Applied Optics
|February 1, 1983
PubMed
Summary

Dual GRIN lens multiplexers show low insertion loss, with some versions demonstrating wavelength independence. This optical device performance is crucial for telecommunications and fiber optics applications.

Area of Science:

  • Optics and Photonics
  • Fiber Optic Communications
  • Optical Engineering

Background:

  • Graded-index (GRIN) lenses are essential optical components.
  • Multiplexers are critical for efficient signal transmission in optical systems.
  • Understanding insertion loss is key to optimizing optical device performance.

Purpose of the Study:

  • To investigate the performance of dual GRIN lens multiplexers.
  • To analyze the factors influencing insertion loss in these devices.
  • To identify optimal configurations for low-loss optical signal routing.

Main Methods:

  • Ray tracing analysis was employed to model optical performance.
  • Parameter sweeps examined the impact of lens and fiber characteristics.

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  • Experimental characterization of fabricated multiplexer prototypes was conducted.

    • Main Results:

    • Insertion loss dependence on lens and fiber parameters was quantified.
    • Certain dual GRIN lens multiplexer designs exhibited low insertion loss.
    • Some configurations demonstrated minimal insertion loss variation across wavelengths.

    Conclusions:

    • Dual GRIN lens multiplexers can be designed for high performance.
    • Optimized designs offer low insertion loss and wavelength stability.
    • These findings are relevant for advanced fiber optic communication systems.