Efficiency enhancement in regenerative amplifier free-electron lasers using a tapered undulator
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Physics"
DOI: 10.1063/5.0270683
Abstract: Recent progress in short-wavelength free-electron lasers (FELs) from the extreme ultraviolet through x rays has opened new avenues for industrial and research applications. Most such FELs rely on self-amplified spontaneous emission (SASE) in which the… read more here.
Keywords: free electron; regenerative amplifier; tapered undulator; electron lasers ... See more keywords
21 W, 105 μJ Regenerative Amplifier Based on Yb:YAG SCF and NALM Fiber Oscillator
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.2974068
Abstract: We present a regenerative amplifier (RA) based on Yb:YAG single-crystal fiber (SCF) and nonlinear amplifying loop mirror (NALM) fiber oscillator. The home-made all-fiber NALM oscillator is constructed with polarization maintaining (PM) fibers for improved environmental… read more here.
Keywords: amplifier based; oscillator; based yag; regenerative amplifier ... See more keywords
Analysis and Measurement of Noise Suppression in a Nonlinear Regenerative Amplifier
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3184924
Abstract: This paper analyzes the ability to suppress in-band noise power of a regenerative amplifier (RA) operating in the nonlinear regime in response to a continuous wave (CW) input tone. As opposed to the linear regime… read more here.
Keywords: noise suppression; regenerative amplifier; noise; analysis measurement ... See more keywords
Suppression of FM-to-AM conversion in a broadband Nd:glass regenerative amplifier with an intracavity birefringent filter.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.001261
Abstract: In order to suppress the frequency modulation to amplitude modulation (FM-to-AM) conversion induced by a Nd:glass regenerative laser amplifier, a birefringent quartz crystal was designed by theoretical simulation and inserted into the regenerative amplifier. A… read more here.
Keywords: conversion; glass regenerative; laser; amplifier ... See more keywords
Millijoule 265 fs Tm:YAP regenerative amplifier for driving ultrabroad band collinear mid-infrared optical parametric amplifiers.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.452429
Abstract: Generation of 265-fs millijoule pulses at 1940 nm from a solid-state regenerative amplifier has been demonstrated. The amplification chain consists of a thulium-doped fluoride (Tm:ZBLAN) fiber oscillator, a two stage Tm:ZBLAN fiber preamplifier, and a… read more here.
Keywords: optical parametric; mid infrared; infrared optical; regenerative amplifier ... See more keywords
High-power regenerative amplifier based on dual-crystal Yb:CALGO configuration.
Sign Up to like & getrecommendations! Published in 2025 at "Optics express"
DOI: 10.1364/oe.561697
Abstract: We demonstrated a high average power dual-crystal Yb:CALGO regenerative amplifier(RA) operated in TEM00 mode. The dual-crystal configuration effectively mitigated thermal effects and enabled a continuous output power of 42.5 W at a pump power of… read more here.
Keywords: regenerative amplifier; power; crystal calgo; dual crystal ... See more keywords
Pure-rotational 1D-CARS spatiotemporal thermometry with a single regenerative amplifier system.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.398982
Abstract: We report spatiotemporal pure-rotational coherent anti-Stokes Raman spectroscopy (CARS) in a one-dimensional imaging arrangement obtained with a single ultrafast regenerative amplifier system. The femtosecond pump/Stokes photon pairs, used for impulsive excitation, are delivered by an… read more here.
Keywords: amplifier; amplifier system; regenerative amplifier; pure rotational ... See more keywords
High-power femtosecond regenerative amplifier based on Yb:CaYAlO4 dual-crystal configuration.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.484843
Abstract: A thermal lens insensitive regenerative amplifier (RA) with a dual Yb:CaYAlO4 (Yb:CYA) crystal configuration for extending gain spectra is demonstrated for the first time, to the best of our knowledge. By orthogonalizing the orientation of… read more here.
Keywords: high power; regenerative amplifier; power; crystal configuration ... See more keywords
Kilowatt-Level EUV Regenerative Amplifier Free-Electron Laser Enabled by Transverse Gradient Undulator in a Storage Ring
Sign Up to like & getrecommendations! Published in 2025 at "Photonics"
DOI: 10.3390/photonics12100983
Abstract: High-average-power extreme ultraviolet (EUV) sources are essential for large-scale nanoscale chip manufacturing, yet commercially available laser-produced plasma sources face challenges in scaling to the kilowatt level. We propose a novel scheme that combines the high… read more here.
Keywords: kilowatt level; laser; storage ring; regenerative amplifier ... See more keywords