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Related Experiment Video

Updated: Oct 2, 2025

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
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Low-Cost 3D Printer Drawn Optical Microfibers for Smartphone Colorimetric Detection.

Md Arafat Hossain1, Protik Chandra Biswas1, Saptami Rani1

  • 1Department of Electrical and Electronic Engineering, Khulna University of Engineering & Technology, Khulna 9203, Bangladesh.

Biosensors
|February 24, 2022
PubMed
Summary

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Researchers fabricated low-cost optical fibers using a 3D printer. This novel method created functional microfibers suitable for smartphone-based oil adulteration detection.

Area of Science:

  • Materials Science
  • Optical Engineering
  • Additive Manufacturing

Background:

  • Traditional optical fiber fabrication is complex and expensive.
  • There is a need for low-cost, accessible optical fiber solutions.

Purpose of the Study:

  • To develop a low-cost method for fabricating optical fibers using a 3D printer.
  • To demonstrate the functionality of these fabricated fibers in a practical application.

Main Methods:

  • Utilized a fused deposition modeling (FDM) 3D printer extruder as a micro-furnace draw tower.
  • Drew air-clad multimode microfibers from polyethylene terephthalate glycol (PETG) filament.
  • Employed a custom spooling system for automated diameter control (72–397 μm) by adjusting drawing speed.
Keywords:
3D printingextra virgin olive oilfused deposition modelinglab-in-a-phonepolyethylene terephthalate glycolpolymer optical fibersmartphone sensorthermal extrusion

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Related Experiment Videos

Last Updated: Oct 2, 2025

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
10:21

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Main Results:

  • Successfully fabricated uniform, high-quality microfibers with consistent orthogonal beam profiles.
  • Demonstrated the microfiber's capability for colorimetric-based absorption measurements.
  • Showcased a budget smartphone application for detecting olive oil adulteration with soybean oil.

Conclusions:

  • 3D printing offers a viable, low-cost approach for microfiber fabrication.
  • The fabricated microfibers are suitable for developing low-cost optical sensing applications.
  • This method enables accessible optical fiber technology for diverse applications.