Study of the Optical Spectra of 4-Hydroxy-3-Methoxibenzoic Acid
Sign Up to like & getrecommendations! Published in 2020 at "Russian Physics Journal"
DOI: 10.1007/s11182-020-02183-4
Abstract: Using electronic spectroscopy and quantum chemistry methods, the electronic spectra of vanillic acid in various solvents are interpreted. In the ground electronic state, four protolytic forms of vanillic acid in water were detected: anionic, dianionic,… read more here.
Keywords: vanillic acid; acid; optical spectra; study optical ... See more keywords
Optical spectra and gain properties of Er3+:Lu2O3 ceramics for eye-safe 1.5-μm lasers
Sign Up to like & getrecommendations! Published in 2021 at "Optical Materials"
DOI: 10.1016/j.optmat.2020.110785
Abstract: Abstract The Er3+-doped Lu2O3 ceramics were successfully prepared by high temperature vacuum sintering of nanopowders using lantana as a sintering additive. The absorption coefficient and absorption cross-section of Er3+ ions in Lu2O3 ceramics at 980 nm… read more here.
Keywords: optical spectra; lu2o3 ceramics; gain; spectra gain ... See more keywords
Abundances of disk and bulge giants from high-resolution optical spectra : I. O, Mg, Ca, and Ti in the solar neighborhood and Kepler field samples
Sign Up to like & getrecommendations! Published in 2017 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201629128
Abstract: Context. The Galactic bulge is an intriguing and significant part of our Galaxy, but it is hard to observe because it is both distant and covered by dust in the disk. Therefore, there are not… read more here.
Keywords: optical spectra; high resolution; solar neighborhood; resolution optical ... See more keywords
A blue depression in the optical spectra of M dwarfs
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1391
Abstract: A blue depression is found in the spectra of M dwarfs from 4000 to 4500Å. This depression shows an increase toward lower temperatures though is particularly sensitive to gravity and metallicity. It is the single… read more here.
Keywords: optical spectra; spectra dwarfs; depression; line ... See more keywords
Passive Sub-Carrier Multiplexing for Discriminating Overlapped Optical Spectra
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2018.2868048
Abstract: A passive technique for multiplexing spectrally overlapping optical network signals is proposed and experimentally verified. The system utilizes arrayed fiber delay lines for multiplexing signal generation and offers simultaneous plotting of multiple optical spectra. Accurate… read more here.
Keywords: optical spectra; sub carrier; multiplexing discriminating; passive sub ... See more keywords
Machine Learning-Based in-Band OSNR Estimation From Optical Spectra
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2950058
Abstract: Measuring the optical signal to noise ratio (OSNR) at certain network points is essential for failure handling, for single connection but also global network optimization. Estimating OSNR is inherently difficult in dense wavelength routed networks,… read more here.
Keywords: osnr estimation; optical spectra; machine; estimation ... See more keywords
Calculating Multidimensional Optical Spectra from Classical Trajectories.
Sign Up to like & getrecommendations! Published in 2022 at "Annual review of physical chemistry"
DOI: 10.1146/annurev-physchem-082620-021302
Abstract: Multidimensional optical spectra are measured from the response of a material system to a sequence of laser pulses and have the capacity to elucidate specific molecular interactions and dynamics whose influences are absent or obscured… read more here.
Keywords: chemistry; calculating multidimensional; classical trajectories; spectra classical ... See more keywords
Band Structure and Optical Spectra of Double Perovskite Cs2AgBiBr6 for Solar Cells Performance
Sign Up to like & getrecommendations! Published in 2020 at "Acta Physica Polonica A"
DOI: 10.12693/aphyspola.137.486
Abstract: The present study reports on the electronic band structure and optical properties of Cs2AgBiBr6 doubleperovskite material using a pseudopotential plane-wave method within the generalized gradient approximation. Our results show that Cs2AgBiBr6 has a good absorption… read more here.
Keywords: optical spectra; band; structure optical; spectra double ... See more keywords
Synthesis of discrete phase-coherent optical spectra from nonlinear ultrasound.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.007496
Abstract: Nonlinear acoustic interactions in liquids are effectively stronger than nonlinear optical interactions in solids. Thus, harnessing these interactions will offer new possibilities in the design of ultra-compact nonlinear photonic devices. We theoretically demonstrate a new… read more here.
Keywords: optical spectra; phase; spectra nonlinear; spectra ... See more keywords
Impact of finite bandwidth on PRBS-modulated optical spectra.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.467955
Abstract: Applying a pseudo-random binary sequence (PRBS) to phase modulators is a recent development in the broadening of optical spectra of laser sources to defeat stimulated Brillouin scattering (SBS). The theoretical underpinning of this method relies… read more here.
Keywords: prbs; optical spectra; prbs signal; finite bandwidth ... See more keywords
Evolution of Optical Spectra at the Initial Stages of Fe Growth on Si (001)
Sign Up to like & getrecommendations! Published in 2018 at "Defect and Diffusion Forum"
DOI: 10.4028/www.scientific.net/ddf.386.15
Abstract: Optical reflection spectra in the photon energy range of 1.5-6 eV have been studied after the growth of ultrathin iron films on silicon (001) in the 0-1.2 nm thickness range. It has been noted that… read more here.
Keywords: optical spectra; stages growth; evolution optical; initial stages ... See more keywords