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Updated: Feb 26, 2026

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Published on: October 28, 2018

Highly efficient multicolor multifocus microscopy by optimal design of diffraction binary gratings.

Bassam Hajj^1,2, Laura Oudjedi³, Jean-Bernard Fiche³

¹Laboratoire Physico-Chimie, Institut Curie, PSL Research University, CNRS UMR168, 75005, Paris, France. bassam.hajj@curie.fr.

Scientific Reports

|July 15, 2017

Summary

This summary is machine-generated.

Researchers developed novel dual-color diffraction gratings for multifocus microscopy (MFM). This advance improves imaging speed and sensitivity by enhancing diffraction efficiency and enabling multicolor capabilities in 3D microscopy.

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Area of Science:

Optics and Photonics
Microscopy Technology
Diffractive Optics

Background:

Multifocus microscopy (MFM) enables rapid 3D imaging but relies on diffraction gratings optimized for single wavelengths.
Existing gratings show performance limitations when used with multiple wavelengths, hindering multicolor applications.

Purpose of the Study:

To design and fabricate binary phase gratings with dual-color properties for enhanced multifocus microscopy.
To improve diffraction efficiency and uniformity for MFM applications.

Main Methods:

Simulated binary diffraction gratings with tunable phase shifts.
Designed and fabricated a binary array generator for 3x3 equal-intensity diffraction orders.
Evaluated diffraction efficiency, uniformity, and multicolor capabilities.

Main Results:

Achieved 74% diffraction efficiency and 95% uniformity for a 3x3 array generator.
Demonstrated dual-color capability, enabling multicolor MFM imaging.
Validated the design's performance in two-color MFM imaging.

Conclusions:

The novel dual-color gratings significantly enhance MFM performance.
This approach offers a pathway to extend multicolor capabilities to various diffraction pattern designs.
The developed gratings improve imaging speed, sensitivity, and multicolor applications in 3D microscopy.