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18 results for “second harmonic”
study of second harmonic generation in periodically poled fiber in double pass configuration
<p>This dataset includes the experimental measurements and the numerical simulations of the power of second harmonic generated inside a periodically poled fiber traversed in single and double pass by a fundamental signal whose wavelength is included in a certain range of values. This measurements are the preliminary study for situation where the PPSF can be exploited in multiple pass configuration, such as in a cavity. </p>
Data set accompanying: Topology of the Warm plasma dispersion relation at the second Harmonic Electron Cyclotron Resonance Layer
<p>The Warm Plasma Dispersion Relation, for waves in the electron cyclotron resonance range of frequencies, can be cast into the form of a bi-quadratic equation for $N_\perp$, where the coefficients are a function of $N_\perp^2$ and an iterative procedure is required to obtain a solution. However, this iterative procedure is not well understood and fails to converge towards a solution at the second harmonic resonance layer. In particular at higher densities where the wave can couple to an electron Bernstein wave.<br> This paper focuses on a solution to the poor convergence of the iterative method, enabling determination of the topology of the dispersion relation around the second harmonic using a fully relativistic code for oblique waves.<br> A feed-forward controller is proposed with the ability to adjust the rotation of a step of $N_\perp^2$ within the complex plane, while also limiting the step-size.<br> It is shown that implementation of the controller stabilizes unstable solutions, while improving overall robustness of the iteration. This allows the evaluation of the coupling between the fast extraordinary mode and electron Bernstein waves at the second harmonic electron cyclotron resonance layer, for non-perpendicularly propagating waves.</p>
High Average Power Second-harmonic Generation of a CW Erbium Fiber MOPA
<p>Open access data set for the manuscript "High Average Power Second-harmonic Generation of a CW Erbium Fiber MOPA" to be published in Photonics Technology Letters.</p>
Data for Human sperm steer with second harmonics of the flagellar beat
<p>Files containing all data processed for the article “Human sperm steer with second harmonics of the flagellar beat” by Guglielmo Saggiorato, Luis Alvarez, Jan F. Jikeli, U. Benjamin Kaupp, Gerhard Gompper, and Jens Elgeti</p> <p><br> collected_data.zip<br> compressed containing one folder per experiment. Each folder features the raw data (original movie) and the corresponding flagellar parameters measured: trajectory and curvature. </p> <p>movie.tbz2<br> files to make the movie comparing original sperm recording and simulation</p> <p>steer_with_phase.bz2<br> xyz file of Supplementary Movie 2 where sperm steers with the second-harmonic phase</p> <p>analysis_scripts.zip contains<br> scripts used for data analysis: curvature.py, pma.py, and spectrogram.py </p> <p>compare_2nd_harmonic_to_average_curvature.tar.bz2<br> files comparing the contribution of the 2nd harmonic and average curvature</p> <p> </p>
Raw Data for "Synthesis and functionalisation of biodegradable Second Harmonic Generation nanoprobes for cell targeting"
<p>Raw data files used in the "Synthesis and functionalisation of biodegradable Second Harmonic Generation nanoprobes for cell targeting" manuscript.</p>
Efficient and wavelength-tunable second-harmonic generation towards the green gap
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Raw data of journal paper of Effects of Mineralisation on the Hierarchical Organisation of Collagen – a Synchrotron X-ray Scattering and Polarised Second Harmonic Generation Study
<p>Both raw data of pSHG and XRD are stored in .mat format, which includes the I2 values, SHG intensity, D-period, intermolecular spacing, fibril dispersion, molecular dispersion and supramolecular twist. </p>
Second Harmonic Generation from Grating-Coupled Hybrid Plasmon-Phonon Polaritons - Experimental and Simulation Data
<p>Experimental and simulation data for "Second Harmonic Generation from Grating-Coupled Hybrid Plasmon-Phonon Polaritons" by Marcel Kohlmann et al., recently (10/22) accepted for publication in Applied Physics Letters. A preprint is available on the <a href="https://arxiv.org/abs/2209.00375">arXiv</a>. </p> <p>Content:<br> We provide matlab code to generate the figures from the experimental and simulated data.</p> <p>fig1.m: generates fig1c,d of the paper<br> fig2_4.m generates fig 2 and 4<br> fig3.m generates fig3</p> <p>experimental_data.zip contains all experimental data, please unzip before running the scripts<br> comsol_data.zip contains all Comsol simulation output data. Please unzip before running the scripts.</p> <p>The remaining matlab scripts are needed in the process. "passler_epsTarray_generator.m" is also part of the transfer matrix implementation available on <a href="https://doi.org/10.5281/zenodo.7034720">Zenodo</a>.</p> <p>Please contact <a href="mailto:alexander.paarmann@fhi-berlin.mpg.de">Alex Paarmann</a> for any questions.</p>
Accelerating Whole-Sample Polarization-Resolved Second Harmonic Generation imaging in Mammary Gland Tissue via Generative Adversarial Networks
<p>Authors:</p> <p>Arash Aghigh, Jysiane Cardot, Melika Saadat Mohammadi, Gaëtan Jargot, Heide Ibrahim, Isabelle Plante, François Légaré</p> <p>Affiliations:</p> <p> 1. Centre Énergie Matériaux Télécommunications, Institut National de la Recherche Scientifique, Varennes, Québec, Canada.<br> 2. Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada.</p> <p>Corresponding Author:</p> <p>Arash Aghigh, arash.aghigh@inrs.ca</p> <p>Description:</p> <p>This dataset accompanies the research on improving whole-sample Polarization-Resolved Second Harmonic Generation (P-SHG) imaging in mammary gland tissue using Enhanced Super-Resolution Generative Adversarial Networks (ESRGAN). The novel approach significantly reduces imaging time while maintaining high image quality and analytical accuracy, demonstrating a reduction in imaging time by more than 95%. This method also minimizes laser-induced photodamage, lowers costs of optical components, and increases the accessibility and applicability of P-SHG imaging in various fields.</p> <p>Keywords:</p> <p>Polarization-Resolved Second Harmonic Generation, P-SHG, Generative Adversarial Networks, GAN, ESRGAN, Mammary Gland Imaging, Super-Resolution, Image Upscaling, Deep Learning, Biomedical Imaging</p> <p>Funding Information:</p> <p> • Canada Foundation for Innovation<br> • Fonds de recherche du Québec–Nature et technologies<br> • Natural Sciences and Engineering Research Council of Canada<br> • New Frontiers Research Fund<br> • NSERC CREATE program (scholarship for Arash Aghigh)</p> <p>Related Identifiers:</p> <p> • GitHub repository for ChaiNNer program: https://github.com/chaiNNer-org/chaiNNer<br> • Download links for models used: https://openmodeldb.info</p> <p>Additional Information:</p> <p>Animal studies were conducted according to the procedures provided by the Canadian Council on Animal Care. The protocol (2005-02) was reviewed and approved by the Institutional Committee for Animal Protection of the Laboratoire National de Biologie Expérimentale (LNBE), the animal facilities based at the Institut National de Recherche Scientifique (INRS).</p>
Magneto-Stark and Zeeman effect as origin of second harmonic generation of excitons in Cu2O
<p>Dataset of the publication “Magneto-Stark and Zeeman effect as origin of second harmonic generation of excitons in Cu2O“, (https://doi.org/10.1103/PhysRevB.101.115201). The xlsx file includes the measured datapoints on which the plots shown in figures 10-18 of the main text are based.</p>
Two-photon absorption and second harmonic generation of 1S para- and orthoexcitons in Cu2O coupled by a magnetic field
<p>Dataset of the publication “Two-photon absorption and second harmonic generation of 1S para- and orthoexcitons in Cu2O coupled by a magnetic field“, (https://doi.org/10.1103/PhysRevB.102.115203). The xlsx file includes the measured datapoints on which the plots shown in figures 3, 4, 6-9 of the main text are based.</p>
Determining the absolute temporal field of ultra-broadband terahertz-infrared pulses with field-induced second-harmonic spectrograms - Data
<p>Experimental and simulation data from paper "Determining the absolute temporal field of ultra-broadband terahertz-infrared pulses with field-induced second-harmonic spectrograms".</p> <p>See Summary.pdf for description of contents.</p>
Data from: Second harmonic generation imaging reveals entanglement of collagen fibers in the elephant trunk skin dermis
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Watt-level 743 nm source by second-harmonic generation of a cascaded phosphosilicate Raman fiber amplifier
<p>Open access data set for the manuscript "Watt-level 743 nm source by second-harmonic generation of a cascaded phosphosilicate Raman fiber amplifier" to be published in Optics Letters.</p>
Dataset for "Electric-field-enhanced second-harmonic domain contrast and nonreciprocity in a van der Waals antiferromagnet"
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Data from: Table-top extreme ultraviolet second harmonic generation
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Second harmonic generation microscopy reveals the spatial orientation of glutamine-potentiated liver regeneration after hepatectomy
GEO Series GSE290260. Mus musculus. 16 samples. Type: Expression profiling by array.
Dynamic Second Harmonic Imaging of Proton Translocation Through Water Needles in Lipid Membranes
<p>This dataset includes image/excel files for the data included in the manuscript "Dynamic Second Harmonic Imaging of Proton Translocation Through Water Needles in Lipid Membranes ". (https://pubs.acs.org/doi/full/10.1021/jacs.4c02810) </p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.