Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jun 30, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Aspheric lenses for terahertz imaging.

Yat Hei Lo1, Rainer Leonhardt

  • 1Physics Department, University of Auckland, Private Bag 92019, Auckland, New Zealand. ylo010@aucklanduni.ac.nz

Optics Express
|October 1, 2008
PubMed
Summary

Novel aspheric lens designs improve terahertz (THz) imaging resolution. These designs, evaluated using diffraction theory and experiments, achieve sub-wavelength resolution and are applicable across the electromagnetic spectrum.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Predicting Survived Events in Nontraumatic Out-of-Hospital Cardiac Arrest: A Comparison Study on Machine Learning and Regression Models.

The Journal of emergency medicine·2021
Same author

High dose vitamin C induced methemoglobinemia and hemolytic anemia in glucose-6-phosphate dehydrogenase deficiency.

The American journal of emergency medicine·2020
Same author

Terahertz Gas-Phase Spectroscopy Using a Sub-Wavelength Thick Ultrahigh-Q Microresonator.

Sensors (Basel, Switzerland)·2020
Same author

Synthesis and Characterisation of Hierarchically Structured Titanium Silicalite-1 Zeolites with Large Intracrystalline Macropores.

Chemistry (Weinheim an der Bergstrasse, Germany)·2019
Same author

Free-space coupling to symmetric high-Q terahertz whispering-gallery mode resonators.

Optics letters·2019
Same author

Anomalous blue-shift of terahertz whispering-gallery modes via dielectric and metallic tuning.

Optics letters·2019

Area of Science:

  • Optics and Photonics
  • Electromagnetism
  • Imaging Science

Background:

  • Terahertz (THz) imaging offers unique capabilities but is limited by resolution.
  • Aspheric lens design is critical for optimizing beam shaping and minimizing optical losses in THz systems.

Purpose of the Study:

  • To introduce novel aspheric lens designs for enhanced terahertz imaging.
  • To investigate the impact of lens surface properties on imaging resolution and optical losses.
  • To demonstrate sub-wavelength resolution capabilities in THz imaging.

Main Methods:

  • Development of novel aspheric lens designs.
  • Evaluation using Kirchhoff's scalar diffraction theory.
  • Experimental validation of lens performance and resolution.

Main Results:

  • Different lens surface designs significantly affect beam shaping and optical losses.
  • The proposed lens designs achieve high imaging resolution, with demonstrated sub-wavelength capabilities.
  • Theoretical predictions align with experimental results.

Conclusions:

  • Novel aspheric lens designs offer a pathway to overcome resolution limitations in terahertz imaging.
  • The design principles are transferable to other electromagnetic spectrum regions.
  • Optimized lens design is crucial for maximizing the performance of THz imaging systems.

More Related Videos

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

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

Published on: July 8, 2013

Related Experiment Videos

Last Updated: Jun 30, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

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

Published on: July 8, 2013