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

UV–Vis Spectroscopy: Beer–Lambert Law

UV–Vis Spectroscopy: Beer–Lambert Law

The Beer-Lambert law describes the relationship between absorbance and concentration, which combines the principles established by scientists Johann Heinrich Lambert and August Beer. Lambert's law states that when light passes through a medium, the loss in intensity is directly proportional to the original intensity and the path length of the light. Beer's law proposed that the transmittance of a solution remains constant if the product of concentration and path length is constant. The modern...

You might also read

Related Articles

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

Sort by

Same author

Anatomical feasibility and experimental evaluation of sensor coupling sites for fully implantable active middle ear implants.

Hearing research·2026

Same author

Assessing plant water status: Part 2 - Non-destructive and remote sensing approaches.

Journal of the science of food and agriculture·2026

Same author

Assessing plant water status: Part 1 - Classical methods.

Journal of the science of food and agriculture·2026

Same author

Dose Recommendations for Drugs in Patients With Liver Cirrhosis (The ALIVe Study): Protocol for a Multiphase Validation and Consensus Study.

JMIR research protocols·2026

Same author

Looking Good From the End of Bed: Surgical Clinical Intuition.

ANZ journal of surgery·2026

Same author

Combining Time-Stamped Insect Sampling With eDNA-Metabarcoding of Guano to Reconstruct Community Interactions.

Ecology and evolution·2026

Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026

Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026

Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026

Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026

Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026

Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 25, 2026

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Terahertz Brewster lenses.

Matthias Wichmann¹, Benedikt Scherger, Steffen Schumann

¹Fachbereich Physik, Philipps-Universität Marburg, Marburg, Germany. matthias.wichmann@physik.uni-marburg.de

|January 26, 2012

Summary

This summary is machine-generated.

Brewster lenses offer reflection-free terahertz (THz) transmission across a broad spectrum, overcoming limitations of traditional antireflection coatings. These lenses demonstrate excellent focusing capabilities, validated by THz time-domain spectroscopy (THz-TDS) measurements.

More Related Videos

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

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

Related Experiment Videos

Last Updated: May 25, 2026

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

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

Area of Science:

Optics and Photonics
Terahertz (THz) Technology

Background:

Traditional lenses exhibit Fresnel reflections, reducing power and causing interference.
Antireflection coatings are effective but limited to narrow frequency ranges, posing broadband challenges.

Purpose of the Study:

To investigate Brewster lenses for reflection-free THz wave transmission.
To experimentally validate the focusing performance of Brewster lenses in the THz range.

Main Methods:

Simulations and experimental studies of Brewster lenses.
Frequency and spatially resolved focus plane measurements.
Utilized a fiber-coupled THz time-domain spectroscopy (THz-TDS) system.

Main Results:

Brewster lenses achieve reflection-free transmission of p-polarized light over an extremely broad spectral range.
Experimental results confirm the excellent focusing capabilities of Brewster lenses.
Demonstrated suppression of Fresnel reflections in the THz spectrum.

Conclusions:

Brewster lenses provide a broadband solution for efficient THz wave focusing.
The Brewster angle operation enables reflectionless transmission, enhancing THz system performance.