Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...

You might also read

Related Articles

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

Sort by

Same author

Relative wavefront error correction over a 2.4-km free-space optical link via machine learning.

Optics letters·2026

Same author

Rapidly tunable synthetic wavelength ranging with an RFSoC.

Optics express·2026

Same author

Phase stabilization for long-baseline interferometry of incoherent optical sources.

Optics letters·2026

Same author

Super-resolving binary-source hypothesis testing with a double-clad fiber coupler.

Optics letters·2025

Same author

Uplink pre-compensation for ground-to-space optical communications using downlink tomographic reconstruction.

Optics express·2025

Same author

Super-Resolution Parameter Estimation Using Machine Learning-Assisted Spatial Mode Demultiplexing.

Sensors (Basel, Switzerland)·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

Search research articles

Related Experiment Video

Updated: Jan 17, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

Spatial mode demultiplexing for super-resolved source parameter estimation.

John S Wallis, David R Gozzard, Alex M Frost

|September 23, 2025

Summary

This summary is machine-generated.

We developed a new optical technique using spatial mode demultiplexing (SPADE) to precisely measure the separation of faint, closely spaced light sources. This method achieves super-resolution, enabling detailed astronomical imaging of binary systems.

More Related Videos

Super-resolution Imaging of Neuronal Dense-core Vesicles

Super-resolution Imaging of Neuronal Dense-core Vesicles

Published on: July 2, 2014

A Multimodal Wide-Field Fourier-Transform Raman Microscope

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

Related Experiment Videos

Last Updated: Jan 17, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

Super-resolution Imaging of Neuronal Dense-core Vesicles

Super-resolution Imaging of Neuronal Dense-core Vesicles

Published on: July 2, 2014

A Multimodal Wide-Field Fourier-Transform Raman Microscope

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

Area of Science:

Optics and Photonics
Astronomy and Astrophysics

Background:

Accurate measurement of binary star separations is crucial for understanding stellar evolution and galactic dynamics.
Current techniques face limitations in resolving sources close to or below the diffraction limit.

Purpose of the Study:

To introduce and validate a novel optical method for high-precision spatial separation estimation of incoherent sources.
To demonstrate the capability of the developed technique for simultaneous separation and relative power estimation.

Main Methods:

Utilizing a multi-planar light converter (MPLC) for spatial mode demultiplexing (SPADE).
Extending the SPADE technique with higher-order Hermite-Gaussian modes.
Applying the method to estimate separations of incoherent sources, including those below the diffraction limit.

Main Results:

Achieved super-resolution, resolving sources at separations 90x lower than the diffraction limit.
Demonstrated simultaneous estimation of source separation and relative power (up to 20 dB difference).
Validated the system's capability by incorporating information from higher-order modes.

Conclusions:

The SPADE technique offers unprecedented precision in resolving closely spaced incoherent sources.
This method holds significant potential for advancing astronomical imaging, particularly for binary star systems.
The ability to perform simultaneous separation and power estimation enhances its utility in astrophysical observations.