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Related Experiment Video

Updated: May 6, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Terahertz plasmonic waveguides created via 3D printing.

Shashank Pandey, Barun Gupta, Ajay Nahata

|October 24, 2013

Summary

3D printing enables the creation of high-quality terahertz (THz) plasmonic structures with complex geometries. This fabrication method offers a viable alternative to traditional techniques for developing novel plasmonic devices.

Area of Science:

Optics and Photonics
Materials Science
Nanotechnology

Background:

Terahertz (THz) technology requires advanced plasmonic structures for efficient wave manipulation.
Conventional fabrication methods for plasmonic devices can be complex and limit geometric versatility.

Purpose of the Study:

To investigate the feasibility of using 3D printing for fabricating high-quality terahertz plasmonic structures.
To explore the guided-wave properties of 3D printed plasmonic waveguides with complex geometries.

Main Methods:

Utilizing a commercial 3D printer to fabricate polymer resin structures.
Sputter-depositing gold (~500 nm) onto the 3D printed structures to create plasmonic waveguides.
Employing THz time-domain spectroscopy to measure the guided-wave properties.

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Related Experiment Videos

Last Updated: May 6, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Fabricating Metamaterials Using the Fiber Drawing Method

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Main Results:

Successfully fabricated terahertz plasmonic structures, including abrupt and continuous bends.
Demonstrated low loss propagation of surface plasmon-polaritons, comparable to conventional waveguides.
Observed slightly higher propagation loss attributed to 3D printing-induced surface roughness.

Conclusions:

3D printing is a promising technique for fabricating complex terahertz plasmonic structures.
The developed method allows for versatile designs with potential applications in THz devices.
Further refinement of 3D printing resolution can minimize losses and enhance performance.