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

Fast Fourier Transform01:10

Fast Fourier Transform

260
The Fast Fourier Transform (FFT) is a computational algorithm designed to compute the Discrete Fourier Transform (DFT) efficiently. By breaking down the calculations into smaller, manageable sections, the FFT significantly reduces the computational complexity involved. Direct computation of an N-point DFT requires N2 complex multiplications, whereas the FFT algorithm needs only (N/2)log⁡2N multiplications, offering a much faster performance.
The computational efficiency of the FFT becomes...
260

You might also read

Related Articles

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

Sort by
Same author

Functionalized Quantum Dot-Based Portable Sensor for Dual Detection of Stress Biomarkers in Blood Serum and Saliva.

Journal of biophotonics·2026
Same author

Four-modal device comprising optical coherence tomography, photoacoustic tomography, ultrasound, and Raman spectroscopy developed for in vivo skin lesion assessment.

Biomedical optics express·2026
Same author

Polarimetric analysis of the Alzheimer's pathology in excised mouse brain tissue.

Journal of biomedical optics·2026
Same author

Surface structuring of glass with submicrometer features using selective laser etching.

Scientific reports·2025
Same author

High-resolution imaging system for integration into intelligent noncontact total body scanner.

Journal of biomedical optics·2025
Same author

Label-free distinction of implant infection-associated bacterial biofilms by Mueller matrix polarimetry.

Journal of biomedical optics·2025
Same journal

Long-term stabilization of intensity-difference squeezing from four-wave mixing in rubidium vapor.

Optics express·2026
Same journal

Robust 3D topography measurement of large-range high-aspect-ratio structures based on dual-domain statistical filtering in SD-OCT.

Optics express·2026
Same journal

Broadband transmissive terahertz metasurface for simultaneous quad-mode OAM multiplexing.

Optics express·2026
Same journal

Leveraging two-dimensional materials for high-sensitivity optical sensors: quasi-bound states in the continuum within hybrid metasurfaces.

Optics express·2026
Same journal

Resolution investigation for dual-spherical-wave optical scanning holographic microscopy: methods and performance.

Optics express·2026
Same journal

Robustness of parallel subnetwork-filtered diffractive deep neural networks.

Optics express·2026
See all related articles

Related Experiment Video

Updated: May 30, 2025

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

9.7K

Scalar far-field diffraction modelling using nonuniform fast Fourier transform for diffractive optical phase elements

Yanqiu Li, Lei Zheng, Reinhard Caspary

    Optics Express
    |January 29, 2025
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an optimized diffraction modeling method using nonuniform fast Fourier transform (NUFFT) to improve diffractive optical element (DOE) design. The new method minimizes aberrations and enhances imaging performance for applications like sensing and holographic displays.

    More Related Videos

    Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
    08:44

    Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

    Published on: August 22, 2017

    7.7K
    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    21.7K

    Related Experiment Videos

    Last Updated: May 30, 2025

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.7K
    Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
    08:44

    Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

    Published on: August 22, 2017

    7.7K
    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    21.7K

    Area of Science:

    • Optics and Photonics
    • Computational Imaging
    • Optical Design

    Background:

    • Diffractive optical elements (DOEs) offer compact and lightweight solutions for sensing, imaging, and holographic displays.
    • Accurate diffraction modeling is crucial for predicting DOE performance but existing methods face limitations in nonparaxial regions.
    • Aberrations in far-field, nonparaxial diffraction limit the precision of current DOE design algorithms.

    Purpose of the Study:

    • To develop an optimized diffraction modeling method for designing DOEs with minimized aberrations in the nonparaxial far-field.
    • To enhance the imaging quality and diffraction efficiency of DOEs through improved modeling.
    • To validate the proposed method for both on-axis and off-axis diffraction scenarios.

    Main Methods:

    • Developed an optimized diffraction modeling method integrating nonuniform fast Fourier transform (NUFFT) for DOE design.
    • Employed the iterative Fourier transform algorithm (IFTA) with the proposed NUFFT-based model for DOE optimization.
    • Introduced a compensation matrix to further refine imaging quality in the diffraction model.

    Main Results:

    • The NUFFT-based DOE design achieved a diffraction efficiency of 90.73% and an RMSE of 0.4817, outperforming traditional methods.
    • Compared to a standard method (83.56% efficiency, 0.5270 RMSE), the proposed model showed 7.17% higher efficiency and 8.59% lower RMSE.
    • Incorporating a compensation matrix further improved efficiency by 0.18% and reduced RMSE by 12.43% (to 0.0599).

    Conclusions:

    • The developed NUFFT-based diffraction modeling method effectively minimizes aberrations in the nonparaxial far-field, optimizing DOE imaging performance.
    • The method significantly enhances diffraction efficiency and reduces root mean square error compared to existing diffraction modeling techniques.
    • The approach is versatile, successfully simulating and designing DOEs for off-axis diffraction with incident angles up to 30°.