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806 results for “cavities”
Frequency agile photonic integrated external cavity laser
<p>Datasets for the manuscript figures.</p>
A cavity-microscope for micrometer-scale control of atom-photon interactions
<p>Data corresponding to the article "A cavity-microscope for micrometer-scale control of atom-photon interactions".</p>
Woodpeckers and other excavators maintain the diversity of cavity-nesting vertebrates
<p>Woodpeckers and other excavators create most of the holes used by secondary tree-cavity nesting vertebrates (SCNs) in North American temperate mixedwood forests, but the degree to which excavators release SCNs from nest-site limitation is debated. Our goal was to quantify how excavators maintain the diversity and abundance of secondary cavity nesters in a temperate forest through the creation of tree cavities. We examined the short- and long-term (legacy) effects of excavators (principally woodpeckers, but also red-breasted nuthatches and black-capped chickadees) on forest biodiversity using longitudinal monitoring data (1732 nest cavities, 25 sites, 16 years) in British Columbia, Canada. Sites with higher densities of excavator nests had more cavities available, higher species richness of SCNs, and higher nest density of SCNs, indicating the importance of a standing stock of cavities. Years with higher nesting densities of excavators were followed by years with higher SCN diversity, indicating that the creation of nesting opportunities through fresh excavation releases SCNs from community-wide nest-site limitation. We also show that excavators leave a "legacy" of biodiversity (species richness and abundance) at a site by accumulating cavities at rates faster than they become unusable by decay or destruction. By quantifying site-level effects of cavity excavation on the SCN community, our study highlights the key role of excavators as ecosystem engineers that maintain forest wildlife biodiversity. 01-Nov-2021</p>
Dataset and software for "Photon Condensation and Enhanced Magnetism in Cavity QED"
<p>Python code used to generate the results and figures in "Photon Condensation and Enhanced Magnetism in Cavity QED".</p> <p>Disclaimer: The code is not self-explanatory nor is it written with the goal of being production-quality code. Its publication in this repository serves the sole purpose of transparency and open science. For help on how to use it please refer to jroman@unizar.es</p>
FIGURE 4. Anthoceros telaganus. A. Whole plant. B. Thallus transverse section with schizogenous cavities. C. Antheridia with tiered jacket cell arrangement. D. Involucre transverse section with schizogenous cavities. E in Anthoceros subtilis and A. telaganus (Anthocerotaceae): two new records for America from the hornwort flora of Mexico
FIGURE 4. Anthoceros telaganus. A. Whole plant. B. Thallus transverse section with schizogenous cavities. C. Antheridia with tiered jacket cell arrangement. D. Involucre transverse section with schizogenous cavities. E. Sporophyte transverse section with epidermal layer (ep), assimilative layer (as), spore (sp) and columella (co). F. Epidermal layer of capsule with stomata. G. Spore ornamentation on distal surface (i), proximal surface (ii) and pseudoelaters.
FIGURE. Blades of C. spongifolia. A. Sub-marginal and marginal collective veins, with laminal tissue (2–4 mm) between. B. Marginal collective veins fused below shallow sinus. C. Underside with spongy appearance produced by "false pores"; and thick, rubbery texture indicated by axial wrinkles formed in crease. D. Underside showing primary vein and pinnate lateral veins surrounded by spongy tissue. E. Sub-stomatal cavities revealed by transmitted light (scale unit 0.25 mm), F. Sub-stomatal cavities revealed by removing lower epidermis (A–D: Mengla County, 2018. E–F: Bach Ma NP seedling, ex situ). Photos: PJM. in Colocasia spongifolia sp. nov. (Araceae) in southern China and central Vietnam
FIGURE. Blades of C. spongifolia. A. Sub-marginal and marginal collective veins, with laminal tissue (2–4 mm) between. B. Marginal collective veins fused below shallow sinus. C. Underside with spongy appearance produced by "false pores"; and thick, rubbery texture indicated by axial wrinkles formed in crease. D. Underside showing primary vein and pinnate lateral veins surrounded by spongy tissue. E. Sub-stomatal cavities revealed by transmitted light (scale unit 0.25 mm), F. Sub-stomatal cavities revealed by removing lower epidermis (A–D: Mengla County, 2018. E–F: Bach Ma NP seedling, ex situ). Photos: PJM.
FIGURE 4 in Redescription of the external and internal oral cavity morphology of the tadpole of Ceratophrys aurita (Raddi, 1823) (Anura: Ceratophryidae) from the Caatinga domain, Bahia, northeast Brazil
FIGURE 4. Internal oral cavity of Ceratophrys aurita (Stage 28). (A) Buccal roof and (B) Buccal floor. bfa, buccal floor arena; bfap, buccal floor arena papillae; bp, buccal pocket; dv, dorsal velum; in, internal nares; ip, infralabial papillae; lp, lingual papillae; mr, median ridge; p, pustulation; pa, prenarial arena; pta, postnarial arena; ptp, postnarial papillae; vv, ventral velum.
FIGURE 3 in Redescription of the external and internal oral cavity morphology of the tadpole of Ceratophrys aurita (Raddi, 1823) (Anura: Ceratophryidae) from the Caatinga domain, Bahia, northeast Brazil
FIGURE 3. Morphological structures of Ceratophrys aurita (Stage 28). (A) Reniform nostril. (B) Round nostril. (C) Spiracle in lateral view. (D) Vent tube in ventral view.
FIGURE 1 in Redescription of the external and internal oral cavity morphology of the tadpole of Ceratophrys aurita (Raddi, 1823) (Anura: Ceratophryidae) from the Caatinga domain, Bahia, northeast Brazil
FIGURE 1. Distribution of Ceratophrys aurita. (A) Distribution along the Atlantic Forest domain (data based on Lynch 1982 and Carvalho-e-Silva et al. 2004). (B) New record of C. aurita (red star) from Caatinga domain (Floresta Nacional (FLONA), Contendas do Sincorá municipality). (C) Semi-temporary pond in the rainy season where tadpoles of C. aurita were collected.
Data for "Deterministic measurement of a Rydberg superatom qubit via cavity-enhanced single-photon emission"
<p>This dataset is for the research article "Deterministic measurement of a Rydberg superatom qubit via cavity-enhanced single-photon emission".</p>
Engineering random spin models with atoms in a high-finesse cavity
<p>Data corresponding to the article "Engineering random spin models with atoms in a high-finesse cavity".</p>
Cavity-Enabled Enhancement of Ultrafast Intramolecular Vibrational Redistribution over Pseudorotation
<p>This file contains the data and codes for the paper, 'Cavity-Enabled Enhancement of Ultrafast Intramolecular Vibrational Redistribution over Pseudorotation'. </p>
Dataset for "Single-cavity loss-enabled nanometrology"
<p>Data set supporting the data represented in the article.</p>
Generation of Entangled Photon Pairs from a Silicon Bichromatic Photonic Crystal Cavity
<p>Integrated quantum photonics leverages the on-chip generation of nonclassical states of light to realize key function-<br>alities of quantum devices. Typically, the generation of such nonclassical states relies on whispering gallery mode<br>resonators, such as integrated optical micro-rings, which enhance the efficiency of the underlying spontaneous non-<br>linear processes. While this kind of resonators excel in maximizing either the temporal confinement or the spatial<br>overlap between different resonant modes, they are usually associated with large mode volumes, imposing an intrin-<br>sic limitation on the device efficiency and footprint. Here, we engineer a source of time-energy entangled photon<br>pairs based on a silicon photonic crystal cavity, implemented in a fully CMOS-compatible platform. In this device,<br>resonantly enhanced spontaneous four-wave mixing converts pump photon pairs into signal/idler photon pairs at the<br>energy-conserving condition in the telecommunication C-band. The design of the resonator is based on an effective<br>bichromatic confinement potential, allowing to achieve up to 9 close-to-equally spaced modes in frequency, while pre-<br>serving small mode volumes, and the whole chip, including grating couplers and access waveguides, is fabricated in<br>a single run on a silicon-on-insulator platform. Besides demonstrating efficient photon pair generation, we also im-<br>plement a Franson-type interference experiment, demonstrating entanglement between signal and idler photons with<br>a Bell inequality violation exceeding 5 standard deviations. The high generation efficiency combined with the small<br>device footprint in a CMOS-compatible integrated structure opens a pathway towards the implementation of compact<br>quantum light sources in all-silicon photonic platforms.</p>
Experimental Evaluation of All-Optical Up- and Down-Conversion of 3GPP 5G NR Signals using an Optomechanical Crystal Cavity Frequency Comb
Open the record for dataset details and reuse information.
Repeated CT for an anthropomorphic phantom with different nasal cavity fillings
<p>Anthropomorphic head-and-neck phantom, developed at Paul Scherrer Institute in collaboration with CIRS (Computerized Imaging Reference Systems, Inc., Norfolk, USA) and made from a material equivalent to human tissue. To simulate different anatomical changes, the nasal cavities can be filled with a material equivalent to mucus, and a layer of fat can be applied to the neck to simulate weight gain/loss. The phantom has been first introduced here: DOI 10.1088/1361-6560/ac2b84</p> <p>In this repository, we include 26 different CTs presenting anatomical and/or positioning variations with respect to the reference CT. A <em>readme</em> file provides more information regarding the different CT images included in this dataset.</p>
Data used in the article "Remote sensing of a levitated superconductor with a flux-tunable microwave cavity"
<p>Data from the manuscript, a Python-based script to create PDF figures, and the resulting PDF files for convenience are provided.</p>
Data of: Polarization-Insensitive Integration of Nanoparticle-on-a-Slit Cavities with Dielectric Waveguides for On-chip Surface Enhanced Raman Spectroscopy
<p>Original data of the work called Polarization-Insensitive Integration of Nanoparticle-on-a-Slit Cavities with Dielectric Waveguides for On-chip Surface Enhanced Raman Spectroscopy which it wa submitted to a jounal. The file.zip (called ZENODO.zip) includes the experimental and simulated data.</p>
Supplementary material 2 from: Boff S, Alves-dos-Santos I (2018) Cavities in bromeliad stolons used as nest sites by Euglossa cordata (Hymenoptera, Euglossini). Journal of Hymenoptera Research 62: 33-44. https://doi.org/10.3897/jhr.62.22834
Figure S2. Details of Euglossa cordata nests : Explanation note: Nests were found inside stolons of bromeliads (Aechmea distichantha) on Ilha da Vitória, in Brazil.
Supplementary material 1 from: Boff S, Alves-dos-Santos I (2018) Cavities in bromeliad stolons used as nest sites by Euglossa cordata (Hymenoptera, Euglossini). Journal of Hymenoptera Research 62: 33-44. https://doi.org/10.3897/jhr.62.22834
Figure S1. Stolon of living bromeliads : Explanation note: The internal moist tissues of stolons from living plants.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.