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Related Experiment Videos

Pupil effect in GRIN material.

C Gomez-Reino1, E Larrea

  • 1Universidad de Santiago de Compostela, Departamento de Fisica Fundamental (Optica), Santiago de Compostela, Spain.

Applied Optics
|April 1, 1983
PubMed
Summary
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This study investigates how a circular pupil affects the transmittance function in gradient-index materials. We define the material

Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Gradient-index (GRIN) materials exhibit spatially varying refractive indices.
  • Understanding light propagation through GRIN materials is crucial for optical system design.

Purpose of the Study:

  • To analyze the impact of a circular pupil on the transmittance function of gradient-index materials.
  • To establish a method for characterizing these materials using an effective transmittance function.

Main Methods:

  • Theoretical analysis of light propagation through a GRIN medium with a circular aperture.
  • Derivation of the effective transmittance function considering pupil effects.

Main Results:

  • The transmittance function of gradient-index materials is significantly influenced by the presence of a circular pupil.

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  • An effective transmittance function is derived to quantify this influence.

    • Conclusions:

    • The study provides a framework for understanding and predicting the optical performance of gradient-index systems with finite apertures.
    • The effective transmittance function serves as a key parameter for material characterization and optical design.