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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...

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Related Experiment Video

Updated: Mar 19, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Photon-statistics-based classical ghost imaging with one single detector.

Simone Kuhn, Sébastien Hartmann, Wolfgang Elsäßer

|June 16, 2016

Summary

This summary is machine-generated.

This study introduces a new ghost imaging (GI) method using photon statistics analysis with a single detector. This novel approach simplifies GI, enhancing its accessibility and potential for advanced applications.

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Last Updated: Mar 19, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Published on: May 30, 2014

Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution

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Published on: September 5, 2012

Single Molecule Fluorescence Microscopy on Planar Supported Bilayers

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Published on: October 31, 2015

Area of Science:

Quantum optics
Photonics
Metrology

Background:

Standard ghost imaging (GI) typically requires correlation measurements between object and reference beams.
Existing GI techniques can be complex, limiting widespread adoption.

Purpose of the Study:

To develop a simplified ghost imaging scheme using photon statistics analysis.
To demonstrate the feasibility of ghost imaging with a single photon-counting detector.

Main Methods:

Superimposing object and reference beams instead of measuring correlations.
Analyzing the photon statistics of the mixed light.
Calculating correlation coefficients (second, third, and fourth order).

Main Results:

Successfully implemented a photon-statistics-based GI system (PS-GI) using a single detector.
Image information was retrieved based on the reference beam's spatial resolution.
Demonstrated the ability to calculate higher-order correlation coefficients.

Conclusions:

The PS-GI concept offers a simplified and potentially more accessible alternative to standard GI.
This method broadens the applicability of GI as a metrology technique.
Opens new avenues for GI applications, especially with advanced photon-counting detectors.