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 Concept Videos

Upsampling01:22

Upsampling

216
Managing signal sampling rates is essential in digital signal processing to maintain signal integrity. A decimated signal, characterized by a reduced frequency range due to its lower sampling rate, can be upsampled by inserting zeros between each sample. This upsampling process expands the original spectrum and introduces repeated spectral replicas at intervals dictated by the new Nyquist frequency. To refine this zero-inserted sequence, it is passed through a lowpass filter with a cutoff...
216
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

192
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
192
Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

181
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
181
Bandpass Sampling01:17

Bandpass Sampling

166
In signal processing, bandpass sampling is an effective technique for sampling signals that have most of their energy concentrated within a narrow frequency band. This type of signal is known as a bandpass signal. The key principle of bandpass sampling involves sampling the signal at a rate that is greater than twice the signal's bandwidth to prevent aliasing.
A bandpass signal has a spectrum with a lower frequency limit, denoted as ω1, and an upper frequency limit, denoted as ω2....
166
NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences01:17

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

779
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.
779

You might also read

Related Articles

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

Sort by
Same author

Few-cycle self-compression of GW mid-IR pulses in an anti-resonant fiber in ambient air: publisher's note.

Optics letters·2025
Same author

Few-cycle self-compression of GW mid-IR pulses in an anti-resonant fiber in ambient air.

Optics letters·2025
Same author

Risk of severe COVID in solid organ transplant recipient.

Revista espanola de quimioterapia : publicacion oficial de la Sociedad Espanola de Quimioterapia·2023
Same author

Numerical investigation of gas-filled multipass cells in the enhanced dispersion regime for clean spectral broadening and pulse compression.

Optics express·2023
Same author

Vulnerability to SARS-CoV-2 infection and disease: ripping the curl after the storm.

Revista espanola de quimioterapia : publicacion oficial de la Sociedad Espanola de Quimioterapia·2022
Same author

Nonlinear post-compression in multi-pass cells in the mid-IR region using bulk materials.

Optics letters·2022
Same journal

Long-term stabilization of intensity-difference squeezing from four-wave mixing in rubidium vapor.

Optics express·2026
Same journal

Robust 3D topography measurement of large-range high-aspect-ratio structures based on dual-domain statistical filtering in SD-OCT.

Optics express·2026
Same journal

Broadband transmissive terahertz metasurface for simultaneous quad-mode OAM multiplexing.

Optics express·2026
Same journal

Leveraging two-dimensional materials for high-sensitivity optical sensors: quasi-bound states in the continuum within hybrid metasurfaces.

Optics express·2026
Same journal

Resolution investigation for dual-spherical-wave optical scanning holographic microscopy: methods and performance.

Optics express·2026
Same journal

Robustness of parallel subnetwork-filtered diffractive deep neural networks.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Jun 16, 2025

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
09:57

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Published on: July 25, 2022

3.9K

High-quality pulse compression using a hybrid all-bulk multipass cell scheme.

V W Segundo Staels, E Conejero Jarque, J San Roman

    Optics Express
    |June 14, 2025
    PubMed
    Summary
    This summary is machine-generated.

    This study demonstrates ultrashort pulse compression to 4 fs using a novel three-stage hybrid scheme. The enhanced frequency chirp regime enabled a compression factor over 45 with minimal side lobes.

    More Related Videos

    Blood Flow Imaging with Ultrafast Doppler
    05:57

    Blood Flow Imaging with Ultrafast Doppler

    Published on: October 14, 2020

    7.6K
    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    10.8K

    Related Experiment Videos

    Last Updated: Jun 16, 2025

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
    09:57

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

    Published on: July 25, 2022

    3.9K
    Blood Flow Imaging with Ultrafast Doppler
    05:57

    Blood Flow Imaging with Ultrafast Doppler

    Published on: October 14, 2020

    7.6K
    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    10.8K

    Area of Science:

    • Optics and Photonics
    • Ultrafast Laser Science
    • Nonlinear Optics

    Background:

    • Ultrashort pulse compression is crucial for advanced scientific applications.
    • Achieving few-cycle pulse durations requires significant spectral broadening.
    • Maintaining high pulse quality during compression is challenging.

    Purpose of the Study:

    • To numerically investigate a three-stage hybrid all-bulk multipass cell scheme for ultrashort pulse compression.
    • To achieve few-cycle pulse durations with high fidelity.
    • To identify optimal conditions for the enhanced frequency chirp regime.

    Main Methods:

    • Numerical simulation of pulse propagation through a three-stage hybrid system.
    • Utilizing bulk multipass cells for controlled spectral broadening in the first two stages.
    • Employing a thin plate in the third stage for further spectral broadening within the enhanced frequency chirp regime.

    Main Results:

    • Achieved pulse compression from ~180 fs to 4 fs, a factor >45.
    • Maintained low side lobe intensity (<0.3% of peak intensity).
    • Identified optimal conditions for enhanced frequency chirp propagation, ensuring smooth spectral broadening and high-quality temporal profiles.

    Conclusions:

    • The proposed three-stage hybrid scheme is effective for achieving significant ultrashort pulse compression.
    • Operating within the enhanced frequency chirp regime is key to high-quality, few-cycle pulse generation.
    • The hybrid approach, combining multipass cells and a thin plate, offers a robust method for ultrashort pulse compression.