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

Tandem Mass Spectrometry

Tandem Mass Spectrometry

Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and reduce chemical noise during analyte detection. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called...

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....

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

Dual responsive enzyme mimicking activity of AgX (X=Cl, Br, I) nanoparticles and its application for cancer cell detection.

ACS applied materials & interfaces·2014

Same author

Naphthoquinone-directed C-H annulation and C(sp³)-H bond cleavage: one-pot synthesis of tetracyclic naphthoxazoles.

The Journal of organic chemistry·2014

Same author

Pulmonary toxicity in mice following exposure to cerium chloride.

Biological trace element research·2014

Same author

Role of surgery in the treatment of patients with high-risk neuroblastoma who have a poor response to induction chemotherapy.

Journal of pediatric surgery·2014

Same author

Glutathione-S-transferase polymorphisms (GSTM1, GSTT1 and GSTP1) and acute leukemia risk in Asians: a meta-analysis.

Asian Pacific journal of cancer prevention : APJCP·2014

Same author

Influence of casting solvent on phenyl ordering at the surface of spin cast polymer thin films.

Journal of colloid and interface science·2014

Search research articles

Related Experiment Video

Updated: Jan 4, 2026

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

Published on: December 22, 2015

Time-division-multiplexed observation bandwidth for ultrafast parametric spectro-temporal analyzer.

Ningning Yang, Liao Chen, Lun Li

|November 6, 2019

Summary

This study introduces a time division multiplexing (TDM) enhanced Parametric spectro-temporal analyzer (PASTA) to overcome bandwidth limitations. The TDM-PASTA system expands ultrafast spectrum measurement to a record 58-nm bandwidth across C and L bands.

More Related Videos

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Published on: August 6, 2018

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Published on: February 10, 2020

Related Experiment Videos

Last Updated: Jan 4, 2026

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

Published on: December 22, 2015

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Published on: August 6, 2018

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Published on: February 10, 2020

Area of Science:

Optics and Photonics
Ultrafast Spectroscopy
Nonlinear Optics

Background:

Parametric spectro-temporal analyzer (PASTA) offers high frame rate and resolution for ultrafast spectrum measurement.
Current PASTA systems are limited to the C-band due to the narrow conversion bandwidth of parametric mixing time-lenses.
This bandwidth limitation restricts the practical application of PASTA for broader spectral analysis.

Purpose of the Study:

To overcome the C-band limitation of PASTA.
To expand the observation bandwidth of ultrafast spectrum measurement.
To enhance the utility of parametric mixing-based temporal imaging systems.

Main Methods:

Leveraging both Stokes and anti-Stokes conversions in the parametric mixing process.
Introducing time division multiplexing (TDM) to separate spectral bands.
Demultiplexing C-band and L-band spectra into adjacent temporal frames.

Main Results:

Achieved a record 58-nm observation bandwidth by combining C and L bands.
Maintained high resolution (20 pm), frame rate (10 MHz), and sensitivity (-30 dBm) across both bands.
Successfully reconstructed arbitrary waveforms with enhanced spectral coverage.

Conclusions:

The TDM-based PASTA system significantly broadens the spectral measurement capability.
The TDM concept is a viable strategy for extending the wavelength range of parametric mixing-based temporal imaging.
This advancement paves the way for more comprehensive ultrafast spectral analysis in various applications.