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

Discrete Fourier Transform01:15

Discrete Fourier Transform

200
The Discrete Fourier Transform (DFT) is a fundamental tool in signal processing, extending the discrete-time Fourier transform by evaluating discrete signals at uniformly spaced frequency intervals. This transformation converts a finite sequence of time-domain samples into frequency components, each representing complex sinusoids ordered by frequency. The DFT translates these sequences into the frequency domain, effectively indicating the magnitude and phase of each frequency component present...
200
Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

12.9K
Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
12.9K
Properties of Fourier Transform II01:24

Properties of Fourier Transform II

150
The Fourier Transform (FT) is an essential mathematical tool in signal processing, transforming a time-domain signal into its frequency-domain representation. This transformation elucidates the relationship between time and frequency domains through several properties, each revealing unique aspects of signal behavior.
The Frequency Shifting property of Fourier Transforms highlights that a shift in the frequency domain corresponds to a phase shift in the time domain. Mathematically, if x(t) has...
150

You might also read

Related Articles

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

Sort by
Same author

Enhancing field of view of digital holography using an angular multiplexed holographic optical element.

Optics letters·2025
Same author

Dual Field-of-View Off-Axis Spatially Multiplexed Digital Holography Using Fresnel's Bi-Mirror.

Sensors (Basel, Switzerland)·2024
Same author

Bragg degenerate model for fabrication of holographic waveguide-based near-eye displays.

Applied optics·2023
Same author

Single-shot off-axis digital holographic system with extended field-of-view by using multiplexing method.

Scientific reports·2022
Same author

Noise free defect detection in ceramic tableware using a portable digital holographic camera.

Applied optics·2022
Same author

Performance evaluation of a digital holographic camera under variable source power and exposure time.

Applied optics·2021

Related Experiment Video

Updated: May 22, 2025

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

10.2K

Lensless Fourier transform multiplexed digital holography.

Manoj Kumar, Lavlesh Pensia, Raj Kumar

    Optics Letters
    |March 14, 2025
    PubMed
    Summary
    This summary is machine-generated.

    A novel lensless Fourier transform multiplexed digital holography (LFTMDH) system doubles the field of view (FoV) in a single shot. This faster, high-resolution imaging technique enhances applications in microscopy and metrology.

    More Related Videos

    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
    08:41

    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

    Published on: August 16, 2012

    11.5K
    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
    08:48

    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

    Published on: September 25, 2020

    5.7K

    Related Experiment Videos

    Last Updated: May 22, 2025

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
    10:28

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

    Published on: July 5, 2016

    10.2K
    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
    08:41

    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

    Published on: August 16, 2012

    11.5K
    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
    08:48

    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

    Published on: September 25, 2020

    5.7K

    Area of Science:

    • Optical Engineering
    • Holography
    • Digital Imaging

    Background:

    • Traditional digital holography techniques often face limitations in field of view (FoV) and recording speed.
    • Multiplexing strategies can increase information acquisition but may introduce complexity or reduce resolution.
    • Lensless imaging offers advantages in system compactness and reduced aberrations.

    Purpose of the Study:

    • To propose and demonstrate a new framework for lensless Fourier transform multiplexed digital holography (LFTMDH).
    • To achieve double the field of view (FoV) in a single-shot recording.
    • To enhance imaging speed and maintain spatial resolution for practical applications.

    Main Methods:

    • A spatially multiplexing technique using a cube beam splitter was employed in the object path.
    • The cube beam splitter divided the object beam into two distinct FoVs.
    • Interference between the two object beams and a spherical reference beam on an image sensor created a multiplexed hologram, processed via a single Fourier transform.

    Main Results:

    • The proposed LFTMDH system successfully achieved double FoV imaging in a single recording.
    • Reconstructed images maintained high spatial resolution.
    • The single Fourier transform processing enabled faster acquisition compared to existing methods.

    Conclusions:

    • The developed LFTMDH framework offers a significant advancement for wide-field imaging.
    • The system's speed, resolution, and double FoV capability make it suitable for demanding applications.
    • Potential applications include biological microscopy, nondestructive testing, and optical metrology.