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Updated: Nov 15, 2025

A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors

A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors

Published on: May 30, 2016

High-speed multicolor structured illumination microscopy using a hexagonal single mode fiber array.

Taylor A Hinsdale¹, Sjoerd Stallinga¹, Bernd Rieger¹

¹Department of Imaging Physics, Delft University of Technology, Delft, The Netherlands.

Biomedical Optics Express

|March 8, 2021

Summary

This summary is machine-generated.

Fiber structured illumination microscopy (SIM) enables rapid, broad-wavelength pattern generation for enhanced resolution imaging. This new method overcomes limitations of traditional diffractive elements, achieving high frame rates for advanced microscopy applications.

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Area of Science:

Microscopy
Optical Imaging
Biophysics

Background:

Structured illumination microscopy (SIM) enhances resolution in widefield microscopy.
Current SIM methods often use diffractive elements, facing limitations in speed and spectral efficiency.
Advanced imaging techniques are crucial for detailed biological sample analysis.

Purpose of the Study:

To introduce and validate a novel fiber-based SIM technique.
To overcome speed and spectral limitations of existing SIM implementations.
To enable high-speed, broad-wavelength pattern generation for microscopy.

Main Methods:

Developed a fiber SIM system using a hexagonal single mode fiber array.
Generated illumination patterns by coupling laser beams into fiber pairs.
Utilized fast electro-optic devices for precise phase stepping and pattern rotation.
Relayed exit beams to the microscope objective's back focal plane.

Main Results:

Achieved camera frame rate-limited pattern generation and manipulation.
Demonstrated pattern generation across a broad wavelength range (488 nm and 532 nm).
Reached a SIM frame rate of 111 frames per second.

Conclusions:

Fiber SIM offers a faster and more versatile alternative to traditional methods.
This technique broadens the applicability of SIM in biological imaging.
The system allows for high-speed super-resolution microscopy with flexible wavelength options.