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

Transmission Electron Microscopy

Transmission Electron Microscopy

In 1931, physicist Ernst Ruska—building on the idea that magnetic fields can direct an electron beam just as lenses can direct a beam of light in an optical microscope—developed the first prototype of the electron microscope. This development led to the development of the field of electron microscopy. In the transmission electron microscope (TEM), electrons are produced by a hot tungsten element and accelerated by a potential difference in an electron gun, which gives them up to 400 keV in...

You might also read

Related Articles

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

Sort by

Same author

Zero-PDG silicon photonic amplifier with high saturation power and low noise figure.

Nature communications·2026

Same author

Sub-femtosecond, quantum-limited timing jitter in resonant dispersive-wave emission.

Optics express·2026

Same author

Numerical modeling and optimization of gain dynamics in Yb<sup>3+</sup> doped YLF and YAG cryogenically cooled amplifiers.

Optics express·2026

Same author

Ultrashort electron pulse generation with single-femtosecond-level jitter.

Science advances·2026

Same author

Diode-pumped continuous-wave Yb:YVO<sub>4</sub> laser with a broad tuning range of 986 to 1119 nm.

Optics express·2025

Same author

Enhanced tunable X-rays from bulk crystals driven by table-top free electron energies.

Nature communications·2025

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 12, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Compact electron acceleration and bunch compression in THz waveguides.

Liang Jie Wong¹, Arya Fallahi, Franz X Kärtner

¹Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA. ljwong@mit.edu

|April 24, 2013

Summary

This summary is machine-generated.

We demonstrate compact electron acceleration and bunch compression using high-energy terahertz (THz) pulses in specialized waveguides. This research shows the potential of THz technology for creating smaller, more efficient particle accelerators.

More Related Videos

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Related Experiment Videos

Last Updated: May 12, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Area of Science:

Physics
Engineering
Accelerator Science

Background:

Coherent terahertz (THz) pulses offer unique properties for particle manipulation.
Metallic dielectric-loaded cylindrical waveguides can enhance THz field confinement.

Purpose of the Study:

To numerically investigate the electron acceleration and bunch compression capabilities of 20 mJ, 0.6 THz coherent THz pulses.
To assess the performance in optimized metallic dielectric-loaded cylindrical waveguides.

Main Methods:

Numerical simulations were performed to model the interaction of THz pulses with electron bunches.
Optimized metallic dielectric-loaded cylindrical waveguides were designed and analyzed.

Main Results:

Demonstrated acceleration of 1.6 pC and 16 pC electron bunches from 1 MeV to 10 MeV over 20 mm.
Achieved compression of a 1.6 pC, 1 MeV bunch from 100 fs to 2 fs (50x) over 18 mm.
Compressed a 1.6 pC, 10 MeV bunch from 100 fs to 1.61 fs (62x) over 42 cm.

Conclusions:

Coherent THz pulses show significant promise for compact electron acceleration.
The investigated scheme is effective for substantial electron bunch compression.
This work highlights the potential for developing compact accelerator and bunch compression systems.