Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Square-wave retarder for polarization computer-generated holography.

Applied optics·2011
Same author

Compensation of chromatic errors in high na molded objective lenses.

Applied optics·2010
Same author

Detection of probe dither motion in near-field scanning optical microscopy.

Applied optics·2010
Same author

Polarization synthesis by computer-generated holography using orthogonally polarized and correlated speckle patterns.

Optics letters·2010
Same author

Differential wax-wane focus servo.

Applied optics·2010
Same author

Analysis of superresolution in magneto-optic data storage devices.

Applied optics·2010
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Related Experiment Video

Updated: Jun 6, 2026

Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
11:21

Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography

Published on: January 15, 2013

Optical data storage readout with quadrant pupil detection.

T D Milster, Z Chen, E P Walker

    Applied Optics
    |November 19, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new optical detection method uses pupil quadrant signals to improve data density in optical storage. This technique reduces intertrack interference and can provide a tracking error signal for better performance.

    More Related Videos

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

    Published on: August 4, 2018

    Quantification of Visual Feature Selectivity of the Optokinetic Reflex in Mice
    09:28

    Quantification of Visual Feature Selectivity of the Optokinetic Reflex in Mice

    Published on: June 23, 2023

    Related Experiment Videos

    Last Updated: Jun 6, 2026

    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
    11:21

    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography

    Published on: January 15, 2013

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

    Published on: August 4, 2018

    Quantification of Visual Feature Selectivity of the Optokinetic Reflex in Mice
    09:28

    Quantification of Visual Feature Selectivity of the Optokinetic Reflex in Mice

    Published on: June 23, 2023

    Area of Science:

    • Optics
    • Optical Engineering
    • Data Storage Technologies

    Background:

    • Optical storage devices rely on precise focusing and tracking for reliable data retrieval.
    • Intertrack interference (cross-talk) limits data density in current optical storage systems.
    • Accurate tracking error signals are crucial for maintaining focus and alignment during data scanning.

    Purpose of the Study:

    • To introduce a novel detection scheme for optical storage devices.
    • To explore the potential of using pupil quadrant signals for enhanced data density.
    • To investigate the utility of these signals for generating tracking error signals.

    Main Methods:

    • Derivation of novel quadrant signals from the pupil of an optical system.
    • Theoretical characterization using scalar diffraction theory.
    • Analysis of reflected light distribution asymmetry caused by tracking offsets.

    Main Results:

    • The derived quadrant signals show potential for reducing intertrack interference.
    • Demonstrated that these signals can be utilized to generate a tracking error signal.
    • Theoretical analysis supports the feasibility of the proposed detection scheme.

    Conclusions:

    • The novel detection scheme offers a promising approach for increasing data density in optical storage.
    • The use of pupil quadrant signals can mitigate cross-talk, leading to improved storage capacity.
    • The scheme provides a viable method for generating accurate tracking error signals, enhancing device performance.