FREQ‐NESS Reveals the Dynamic Reconfiguration of Frequency‐Resolved Brain Networks During Auditory Stimulation
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Science"
DOI: 10.1002/advs.202413195
Abstract: The brain is a dynamic system whose network organization is often studied by focusing on specific frequency bands or anatomical regions, leading to fragmented insights, or by employing complex and elaborate methods that hinder straightforward… read more here.
Keywords: brain; freq ness; frequency resolved; stimulation ... See more keywords
Quadrature frequency resolved spectroscopy of upconversion photoluminescence in GeGaS:Er3+: I. Determination of energy transfer upconversion parameter
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-016-6306-3
Abstract: The article presents the formulas of quadrature frequency resolved spectroscopy (QFRS) on the upconversion photoluminescence (UCPL) of rare-earth (RE) doped materials on the general M-level model. The formulas are derived in matrix-equation form with the… read more here.
Keywords: quadrature frequency; frequency resolved; resolved spectroscopy; energy ... See more keywords
Quadrature frequency resolved spectroscopy of upconversion photoluminescence in GeGaS:Er3+; II. elucidating excitation mechanisms of red emission besides green emission
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-6363-2
Abstract: The paper addresses the quadrature frequency resolved spectroscopy (QFRS) on the red (4F9/2 → 4I15/2) upconverted photoluminescence (UCPL) as well as the green (4S3/2 → 4I15/2) UCPL of Er3+ in GeGaS chalcogenide glasses at the… read more here.
Keywords: quadrature frequency; er3; frequency resolved; resolved spectroscopy ... See more keywords
Cross-correlation frequency-resolved optical gating scheme based on a periodically poled lithium niobate waveguide for an optical arbitrary waveform measurement
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers of Optoelectronics"
DOI: 10.1007/s12200-017-0660-5
Abstract: This study proposes a novel scheme of a crosscorrelation frequency-resolved optical gating (X-FROG) measurement for an optical arbitrary waveform (OAW) based on the sum frequency generation (SFG) effect of a periodically poled lithium niobate (PPLN)… read more here.
Keywords: frequency resolved; optical gating; frequency; resolved optical ... See more keywords
Frequency-resolved photothermal lens: An alternative approach for thermal diffusivity measurements in weak absorbing thin samples
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120036
Abstract: Abstract In this work, a pump-probe frequency-resolved photothermal lens method, for measuring thermal diffusivity, has been presented. The method is based on measurement of induced thermal lens signal amplitude as a function of time taken… read more here.
Keywords: frequency resolved; diffusivity; thermal diffusivity; resolved photothermal ... See more keywords
Asymmetric Interferometric Frequency Resolved Optical Gating for Complete Unambiguous Ultrashort Pulse Characterisation
Sign Up to like & getrecommendations! Published in 2021 at "Results in physics"
DOI: 10.1016/j.rinp.2021.104740
Abstract: Abstract We propose a modification of the second-harmonic generation frequency resolved optical gating method (SHG-FROG) utilizing asymmetric spectral interferometry (aiFrog) for complete unambiguous reconstruction of ultrashort optical pulse intensity and phase. The large amount of… read more here.
Keywords: complete unambiguous; resolved optical; optical gating; frequency resolved ... See more keywords
Extremely Robust Pulse Retrieval From Even Noisy Second-Harmonic-Generation Frequency-Resolved Optical Gating Traces
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2019.2950458
Abstract: We further improve and then demonstrate the reliability of the previously introduced RANA approach for the second-harmonic-generation frequency-resolved optical gating (SHG FROG) phase-retrieval algorithm in the presence of significant noise in the traces. We provide… read more here.
Keywords: resolved optical; harmonic generation; optical gating; generation frequency ... See more keywords
Deep learning reconstruction algorithm for frequency-resolved optical gating.
Sign Up to like & getrecommendations! Published in 2024 at "Optics letters"
DOI: 10.1364/ol.519973
Abstract: In general, delay operation is the most time-consuming stage in frequency-resolved optical gating (FROG) technology, which limits the use of FROG for high-speed measurement of ultrashort laser pulses. In this work, we propose and demonstrate… read more here.
Keywords: deep learning; resolved optical; time; reconstruction ... See more keywords