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

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

A pulse is a short burst of radio waves distributed over a range of frequencies that simultaneously excites all the nuclei in the sample. Upon passing a radio frequency pulse along the x-axis, the nuclei absorb energy corresponding to their Larmor frequencies and achieve resonance. This shifts the net magnetization vector from the z-axis toward the transverse plane. This angle of rotation of the magnetization vector, or the flip angle, is proportional to the duration and intensity of the pulse.

You might also read

Related Articles

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

Sort by

Same author

Accounting for pulse shaper nonlinearity in action-detected two-dimensional electronic spectroscopy.

Optics express·2025

Same author

Attosecond inner-shell lasing at ångström wavelengths.

Nature·2025

Same author

Serial-femtosecond crystallography reveals how a phytochrome variant couples chromophore and protein structural changes.

Science advances·2025

Same author

Tracking relaxation dynamics of polaritons and reservoir states in organic exciton-polaritons.

The journal of physical chemistry letters·2025

Same author

Photosynthetic Energy Transfer: Missing in Action (Detected Spectroscopy)?

The journal of physical chemistry letters·2024

Same author

Broadband rapid-scanning phase-modulated Fourier transform electronic spectroscopy.

Optics express·2024

Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026

Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026

Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026

Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026

Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026

Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 7, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Fast second-harmonic generation frequency-resolved optical gating using only a pulse shaper.

Daniel E Wilcox, Franklin D Fuller, Jennifer P Ogilvie

|October 10, 2013

Summary

This summary is machine-generated.

A new phase-cycled frequency-resolved optical gating (FROG) technique offers a faster method for ultrafast pulse characterization. This method overcomes limitations of existing techniques, providing a more efficient approach for analyzing ultrashort laser pulses.

More Related Videos

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

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Published on: July 25, 2022

Related Experiment Videos

Last Updated: May 7, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

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

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Published on: July 25, 2022

Area of Science:

Optics and Photonics
Ultrafast Science
Spectroscopy

Background:

Collinear frequency-resolved optical gating (FROG) is crucial for characterizing ultrafast laser pulses.
Existing collinear FROG techniques face challenges with data acquisition time or traditional trace generation.

Purpose of the Study:

To develop and demonstrate a novel, fast collinear pulse-shaping FROG technique.
To address limitations of existing methods in ultrafast optical pulse characterization.

Main Methods:

Implementation of a phase-cycled FROG approach.
Utilizing a pulse shaper for enhanced spectral control.
Minimizing the number of required time points for data acquisition.

Main Results:

Demonstration of a significantly faster FROG technique.
Overcoming the need for extensive time-point sampling.
Generation of a traditional FROG trace for accurate pulse retrieval.

Conclusions:

The proposed phase-cycled FROG technique provides an efficient solution for ultrafast pulse characterization.
This method enhances the practicality of collinear FROG in demanding ultrafast applications.
Offers a valuable advancement for researchers in ultrafast optics and spectroscopy.