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

Confocal Fluorescence Microscopy

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

You might also read

Related Articles

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

Sort by

Same author

Effect of temperature on 2D terahertz plasmons in AlGaN/GaN heterostructures.

Scientific reports·2026

Same author

Evidence for "dark charge" from photoluminescence measurements in wide InGaN quantum wells.

Optics express·2023

Same author

Quantum-confined Stark effect and mechanisms of its screening in InGaN/GaN light-emitting diodes with a tunnel junction.

Optics express·2021

Same author

Achromatic nanostructured gradient index microlenses.

Optics express·2019

Same author

The value of electron microscopy in mesangioproliferative glomerulonephritis in children.

Acta medica Polona·1980

Same author

Comparison of results obtained by ultrastructural and immunofluorescence studies of kidney glomeruli in children.

Acta medica Polona·1977

Search research articles

Related Experiment Video

Updated: May 1, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Note: Coupling of multiple laser diodes into a multi-mode fiber.

Y Ivonyak¹, B Piechal¹, M Mrozowicz¹

¹Institute of High Pressure Physics, Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland.

The Review of Scientific Instruments

|April 3, 2014

Summary

This study optimized diode laser coupling into optical fibers using a pyramidal reflector, achieving high light transmission. The developed system demonstrates efficient power delivery for various laser wavelengths, including violet, blue, and red diodes.

More Related Videos

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Published on: October 28, 2018

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Related Experiment Videos

Last Updated: May 1, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Published on: October 28, 2018

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Area of Science:

Optics and Photonics
Laser Technology
Fiber Optics

Background:

Diode lasers are crucial light sources with diverse applications.
Efficiently coupling diode laser light into optical fibers is essential for power delivery.
Existing coupling methods can be limited in efficiency and flexibility.

Purpose of the Study:

To develop an optimized optical setup for coupling diode lasers into multi-mode fibers.
To investigate the use of a pyramidal reflector for enhanced light coupling.
To demonstrate the power delivery capabilities of the system for various laser wavelengths.

Main Methods:

Utilized a regular pyramid-shaped reflector for diode laser coupling.
Optimized the optical setup to maximize light coupling efficiency into multi-mode fibers (100-400 μm core).
Tested the system with multiple diode laser wavelengths: violet (405 nm), blue (445 nm), and red (638 nm).

Main Results:

Achieved 60%-90% light coupling efficiency into the optical fiber.
Demonstrated power outputs of 3.5 W (violet), 5.5 W (blue), and 3.3 W (red) in specified fiber core sizes.
Confirmed functionality with frequency-doubled green (532 nm) lasers.

Conclusions:

The pyramidal reflector-based optical setup enables highly efficient diode laser coupling into multi-mode fibers.
The system demonstrates robust performance across a range of visible laser wavelengths.
This technology holds potential for medical applications requiring high-power, wavelength-tunable laser sources.