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Related Concept Videos

Focusing of Light in the Eye01:16

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...

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Related Experiment Video

Updated: Jun 9, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Optical expanders with applications in optical computing.

J H Reif, A Yoshida

    Applied Optics
    |August 31, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces the optical expander, an electro-optical system that expands digital patterns. It explores two architectures for high-speed, 3D optical data processing, with potential uses in memory and routing.

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    Quasi-light Storage for Optical Data Packets
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    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    Related Experiment Videos

    Last Updated: Jun 9, 2026

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
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    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    Area of Science:

    • Optoelectronics
    • Optical Computing
    • Information Optics

    Background:

    • Optical systems are crucial for high-speed data processing.
    • Boolean patterns require efficient expansion for complex computations.
    • Existing methods may lack the speed and bandwidth for advanced applications.

    Purpose of the Study:

    • To describe and investigate a novel optical expander system.
    • To analyze the performance of different optical expander architectures.
    • To discuss potential applications of the optical expander technology.

    Main Methods:

    • Development of an electro-optical system for pattern expansion.
    • Implementation of two distinct architectures: one using optical matrix-vector multiplication and threshold devices, the other using novel reflection-transmission switching cells.
    • Analysis of system size, energy consumption, and operational speed.

    Main Results:

    • The optical expander electro-optically transforms d-bit Boolean patterns into N-bit optical patterns.
    • Two architectures were detailed, leveraging optical matrix-vector multipliers or novel switching cells.
    • The system utilizes 3D optical beams for high-speed, high-space-bandwidth-product connections.

    Conclusions:

    • The optical expander offers a high-performance solution for optical pattern expansion.
    • The analyzed architectures provide trade-offs in size, energy, and speed.
    • Potential applications include holographic memory and advanced message routing systems.