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.

Amplifying Signals via Enzymatic Cascade

Amplifying Signals via Enzymatic Cascade

When a ligand binds to a cell-surface receptor, the receptor's intracellular domain changes shape, which may either activate its enzyme function or allow its binding to other molecules. The initial signal is amplified by most signal transduction pathways. This means that a single ligand molecule can activate multiple molecules of a downstream target. Proteins that relay a signal are most commonly phosphorylated at one or more sites, activating or inactivating the protein. Kinases catalyze the...

Design Example: Vintage Mixing Console

Design Example: Vintage Mixing Console

A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...

Regulation of Pulse

Regulation of Pulse

Pulse regulation involves physiological mechanisms that ensure adequate blood flow throughout the body. The heartbeat, regulated by the autonomic nervous system, is influenced by hormonal balance, physical activity, and emotional state.

Double Resonance Techniques: Overview

Double Resonance Techniques: Overview

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...

Pulse amplitude and quality

Pulse amplitude and quality

Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...

You might also read

Related Articles

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

Sort by

Same author

Quantum simulation of thermodynamics in an integrated quantum photonic processor.

Nature communications·2023

Same author

Reducing g<sup>(2)</sup>(0) of a parametric down-conversion source via photon-number resolution with superconducting nanowire detectors.

Optics express·2022

Same author

Measuring the Joint Spectral Mode of Photon Pairs Using Intensity Interferometry.

Physical review letters·2022

Same author

Quantum-enhanced interferometry with large heralded photon-number states.

NPJ quantum information·2021

Same author

Gigahertz-bandwidth optical memory in Pr<sup>3+</sup>:Y<sub>2</sub>SiO<sub>5</sub>.

Optics letters·2021

Same author

Room temperature atomic frequency comb storage for light.

Optics letters·2021

Search research articles

Related Experiment Video

Updated: Jun 20, 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

Regenerative pulse amplification in the 10-kHz range.

X D Wang, P Basséras, R J Miller

|September 22, 2009

Summary

This summary is machine-generated.

A new continuously pumped regenerative amplifier achieves high-power, high-repetition-rate amplification of ultrashort pulses. This advancement overcomes previous limitations, enabling new possibilities for pulse amplification applications.

More Related Videos

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

Published on: November 7, 2017

Related Experiment Videos

Last Updated: Jun 20, 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

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

Published on: November 7, 2017

Area of Science:

Laser Physics
Optical Engineering

Background:

Regenerative amplifiers are crucial for amplifying short laser pulses.
Previous designs were limited by piezoelectric ringing in electro-optic modulators, restricting repetition rates.

Purpose of the Study:

To develop a continuously pumped Nd:YLF regenerative amplifier capable of high repetition rates and high average power.
To overcome the limitations imposed by piezoelectric ringing in LiNbO(3) electro-optics.

Main Methods:

Utilized a continuously pumped Nd:YLF gain medium.
Employed short-pulsed electric fields (10 nsec) to mitigate piezoelectric ringing.
Incorporated acoustic damping techniques.
Achieved regenerative pulse amplification limited only by the pump rate.

Main Results:

Amplified 40-picosecond pulses at repetition rates exceeding 10 kHz.
Achieved average power greater than 5 W.
Delivered pulse energies up to 2.0 mJ at 3 kHz and 640 µJ at 10.5 kHz.

Conclusions:

Successfully developed a high-repetition-rate, high-average-power regenerative amplifier.
Overcame piezoelectric ringing limitations using novel pulse shaping and damping.
The developed amplifier is suitable for advanced signal-processing and various pulse-amplification applications.