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Related Concept Videos

Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...

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Updated: Jun 8, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
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GRIN '92: Gradient-index optical systems.

S I Najafi, C Gomez-Reino, Y Fujii

    Applied Optics
    |October 2, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This feature covers gradient-index (GRIN) components, exploring their applications and the scope of optical technologies discussed at the GRIN

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    Area of Science:

    • Optics
    • Optical Engineering

    Background:

    • Gradient-index (GRIN) components are optical elements with a continuously varying refractive index.
    • Understanding GRIN optics is crucial for advanced optical system design.

    Purpose of the Study:

    • To introduce the theme of the GRIN '92 Topical Meeting.
    • To provide a brief explanation of gradient-index components.
    • To define the scope of optical technologies covered in the feature.

    Main Methods:

    • The feature compiles papers presented at the GRIN '92 Topical Meeting.
    • The introduction offers a foundational explanation of GRIN components.

    Main Results:

    • The GRIN '92 Topical Meeting focused on advancements in gradient-index optics.
    • The scope encompasses various applications and research in GRIN technology.

    Conclusions:

    • The feature serves as a gateway to understanding gradient-index optics.
    • It highlights the significance of GRIN components in modern optical systems.