Alzheimer mouse brain tissue measured by time resolved fluorescence spectroscopy using single- and multi-photon excitation of label free native molecules.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of biophotonics"
DOI: 10.1002/jbio.201600318
Abstract: Time resolved spectroscopic measurements with single-photon and multi-photon excitation of native molecules were performed ex vivo on brain tissues from an Alzheimer's disease (AD) and a wild type (WT) mouse model using a streak camera.… read more here.
Keywords: photon excitation; multi photon; time; time resolved ... See more keywords
Classical and quantum description of a periodically driven multi-photon anharmonic oscillator
Sign Up to like & getrecommendations! Published in 2019 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-019-2096-1
Abstract: The Hamiltonian and hence the relevant equations of motion involving the dynamics of a driven classical anharmonic oscillator of 2m-th anaharmonicity are constructed. In order to derive the model of a driven multi-photon quantum anharmonic… read more here.
Keywords: quantum; multi photon; oscillator; driven multi ... See more keywords
Stochastic perturbation of optical Gaussons with bandpass filters and multi-photon absorption
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2018.10.019
Abstract: Abstract This paper retrieves mean free velocity of optical Gaussons that travel with stochastic perturbation in addition to bandpass filters and multi-photon absorption. The Langevin equation is derived and analyzed to arrive at the velocity… read more here.
Keywords: optical gaussons; stochastic perturbation; multi photon; filters multi ... See more keywords
Investigations on multi-photon emissions of Nd 3+ -sensitized core/shell nanoparticles
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Rare Earths"
DOI: 10.1016/s1002-0721(16)60165-5
Abstract: Abstract The past few years witnessed extensive emergence of short-wavelength upconversion (UC) emission stimulated photoactivation studies. However, low efficiency of multi-photon process greatly limits further applications. Here, ultraviolet (UV) upconversion emissions originated from multi-photon process… read more here.
Keywords: core shell; shell nanoparticles; multi photon; photon emissions ... See more keywords
Controlled multi-photon subtraction with cascaded Rydberg superatoms as single-photon absorbers
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-24522-w
Abstract: The preparation of light pulses with well-defined quantum properties requires precise control at the individual photon level. Here, we demonstrate exact and controlled multi-photon subtraction from incoming light pulses. We employ a cascaded system of… read more here.
Keywords: photon; subtraction cascaded; multi photon; photon subtraction ... See more keywords
Multi-photon ionisation spectroscopy for rotational state preparation of $${{\bf{N}}}_{{\bf{2}}}^{{\boldsymbol{+}}}$$N2+
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-018-36783-5
Abstract: In this paper we investigate the 2 + 1′ resonance enhanced multi-photon ionisation (REMPI) of molecular nitrogen via the a1Πg(v = 6) intermediate state and analyse its feasibility to generate molecular nitrogen ions in a well defined ro-vibrational state.… read more here.
Keywords: state; multi photon; photon ionisation; spectroscopy ... See more keywords
Multi-photon properties of branched chromophores derived from indenoquinoxaline and oxadiazole heterocyclic units
Sign Up to like & getrecommendations! Published in 2021 at "RSC Advances"
DOI: 10.1039/d0ra08945a
Abstract: Two chromophoric congeners derived from indenoquinoxaline and oxadiazole are designed, synthesized and characterized for their multi-photon properties in the femtosecond time domain. These two model structures are experimentally found to exhibit strong and widely distributed… read more here.
Keywords: photon; two three; multi photon; derived indenoquinoxaline ... See more keywords
Multi-photon fluorescence microscopy imaging of mitochondria in living cells excited by Yb-doped femtosecond fiber laser utilizing two- and three-photon competitive absorption
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/5.0004953
Abstract: By employing an Yb-doped femtosecond fiber laser oscillating at 1030 nm, multi-photon fluorescence microscopy imaging was demonstrated, utilizing competitive two- and three-photon absorption processes for excitation of the fluorescence probes. Competitive two- and three-photon absorptions… read more here.
Keywords: photon; two three; microscopy; multi photon ... See more keywords
Evolution equation for multi-photon states in turbulence
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physics A: Mathematical and Theoretical"
DOI: 10.1088/1751-8121/ab3db9
Abstract: The recently developed Wigner functional theory is used to formulate an evolution equation for arbitrary multi-photon states, propagating through a turbulent atmosphere under arbitrary conditions. The resulting evolution equation, which is obtained from an infinitesimal… read more here.
Keywords: multi photon; equation multi; photon states; evolution equation ... See more keywords
Optofluidic adaptive optics in multi-photon microscopy
Sign Up to like & getrecommendations! Published in 2022 at "Biomedical Optics Express"
DOI: 10.1364/boe.481453
Abstract: Adaptive optics, in combination with multi-photon techniques, is a powerful approach to image deep into a specimen. Remarkably, virtually all adaptive optics schemes today rely on wavefront modulators that are reflective, diffractive or both. This,… read more here.
Keywords: optofluidic adaptive; microscopy; adaptive optics; optics ... See more keywords
Towards efficient structure prediction and pre-compensation in multi-photon lithography.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.462775
Abstract: Microscale 3D printing technologies have been of increasing interest in industry and research for several years. Unfortunately, the fabricated structures always deviate from the respective expectations, often caused by the physico-chemical properties during and after… read more here.
Keywords: photon lithography; topography; multi photon; structure ... See more keywords