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