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Relevant bibliographies by topics / NIR emission

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Journal articles

Academic literature on the topic 'NIR emission'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "NIR emission"

1

Vequizo, Junie Jhon M., Sunao Kamimura, Teruhisa Ohno, and Akira Yamakata. "Oxygen induced enhancement of NIR emission in brookite TiO2 powders: comparison with rutile and anatase TiO2 powders." Physical Chemistry Chemical Physics 20, no. 5 (2018): 3241–48. http://dx.doi.org/10.1039/c7cp06975h.

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Vetrone, Fiorenzo. "(Invited) Luminescent Lanthanide Doped Nanoparticles." ECS Meeting Abstracts MA2022-01, no. 20 (2022): 1100. http://dx.doi.org/10.1149/ma2022-01201100mtgabs.

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In the last decade, the field of lanthanide doped upconverting nanoparticles has vastly matured, progressing from the basic understanding of the photophysical properties governing their nanoscale luminescence, to their use in the study of a number of fundamental properties and ultimately to a plethora of applications, with considerable focus in biology and medicine. This interest stems primarily from the ability to stimulate these luminescent nanoparticles with near-infrared (NIR) light as well as their diverse emission wavelengths spanning the UV to the NIR. Therefore, with a single NIR excit

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3

Zhang, Xiang Ling, Ming Liu, Xin Zhao, and Hai Lin. "Near-Infrared Emissions of Sm³⁺ in Li₂O-K₂O-BaO-PbO-Bi₂O₃-Ga₂O₃ Glasses." Advanced Materials Research 476-478 (February 2012): 1121–24. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.1121.

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μNear-infrared (NIR) emissions have been observed in Sm3+doped low phonon energy heavy-metal-gallate glasses. The full-widths at half-maximum (FWHMs) of three fluorescence bands peaking at 960, 1038, and 1185 nm were derived to be 31, 36, and 42 nm, respectively, and the spontaneous transition probabilities were calculated to be 66, 16, and 6 s-1. Maximum stimulated emission cross-sections ( σem) for NIR transition emissions were obtained to be 4.22´10-22, 1.37´10-22, and 0.71´10-22cm2, respectively. Investigations on multi-channel NIR transition emissions of Sm3+, especially on the ~1.19 μm e

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4

Nelson-Avery, Bonnie A., and David C. Tilotta. "Near-Infrared Molecular Emission from a Gas Fountain." Applied Spectroscopy 48, no. 12 (1994): 1461–67. http://dx.doi.org/10.1366/0003702944027895.

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An electrothermal fountain is used to heat gas-phase samples in the range of 300 to 400°C in order to observe their near-infrared (NIR) emissions. In conjunction with the fountain, a 1/8-m Ebert monochromator and an uncooled PbS detector are shown to be sufficiently sensitive for recording the NIR fingerprints of CH4, CO2, N2O, and C2H6. At fountain temperatures of approximately 400°C, the molecular emission is confined to the long wavelength NIR region (1600–2500 nm) and yields limits of detection in the range of 4 to 10% v/v (3–10 mg/s). Reproducibilities have relative standard deviations of

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5

Xiang, Song, Min Zhang, Tixian Zeng, Jiang Chen, and Feiquan Zhang. "Optimizing Broadband Near-Infrared Emission in Bi/Sn-Doped Aluminosilicate Glass by Modulating Glass Composition." Micromachines 13, no. 6 (2022): 921. http://dx.doi.org/10.3390/mi13060921.

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The Bi/Sn-doped aluminosilicate glass samples were prepared using a melting–quenching method and their near-infrared (NIR) emission properties were studied. An ultra-broadband NIR emission ranging from 950 nm to 1600 nm was observed in all samples under 480 nm excitation, which covered the whole fiber low-loss window. The NIR emission spectrum showed that the maximum emission peak was about 1206 nm and the full width at half maximum (FWHM) was about 220 nm. Furthermore, the NIR emission intensity strongly depends on the composition of the glass, which can be optimized by modulating the glass c

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6

Juvela, Mika, Sharma Neha, Emma Mannfors, Mika Saajasto, Nathalie Ysard, and Veli-Matti Pelkonen. "Dust emission, extinction, and scattering in LDN 1642." Astronomy & Astrophysics 643 (November 2020): A132. http://dx.doi.org/10.1051/0004-6361/202038611.

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Context. LDN 1642 is a rare example of a star-forming, high-latitude molecular cloud. The dust emission of LDN 1642 has already been studied extensively in the past, but its location also makes it a good target for studies of light scattering. Aims. We wish to study the near-infrared (NIR) light scattering in LDN 1642, its correlation with the cloud structure, and the ability of dust models to simultaneously explain observations of sub-millimetre dust emission, NIR extinction, and NIR scattering. Methods. We used observations made with the HAWK-I instrument to measure the NIR surface brightnes

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7

Wang, Qi, Xinmin Zhang, Youguang Tang, et al. "High-Performance Hybrid Phototheranostics for NIR-IIb Fluorescence Imaging and NIR-II-Excitable Photothermal Therapy." Pharmaceutics 15, no. 8 (2023): 2027. http://dx.doi.org/10.3390/pharmaceutics15082027.

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Photothermal therapy operated in the second near-infrared (NIR-II, 1000–1700 nm) window and fluorescence imaging in the NIR-IIb (1500–1700 nm) region have become the most promising techniques in phototheranostics. Their combination enables simultaneous high-resolution optical imaging and deep-penetrating phototherapy, which is essential for high-performance phototheranostics. Herein, carboxyl-functionalized small organic photothermal molecules (Se-TC) and multi-layered NIR-IIb emissive rare-earth-doped nanoparticles (NaYF4:Yb,Er,Ce@NaYF4:Yb,Nd@NaYF4, RENP) were rationally designed and successf

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8

Zako, Tamotsu, Hiroshi Hyodo, Kosuke Tsuji, et al. "Development of Near Infrared-Fluorescent Nanophosphors and Applications for Cancer Diagnosis and Therapy." Journal of Nanomaterials 2010 (2010): 1–7. http://dx.doi.org/10.1155/2010/491471.

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The use of near infrared (NIR) light for biomedical photonics in the wavelength region between 800 and 2000 nm, which is called “biological window”, has received particular attention since water and biological tissues have minimal optical loss due to scattering and absorption as well as autofluorescence in this region. Recent development of InGaAs CCD enables observations in this wavelength region. In the present paper, we report development of Yb and Er-doped yttrium oxide nanoparticles (Y2O3:YbEr-NP) which show strong NIR emission under NIR excitation (NIR-NIR emission). We also demonstrate

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9

Cai, Guanyu, Teresa Delgado, Cyrille Richard, and Bruno Viana. "ZGSO Spinel Nanoparticles with Dual Emission of NIR Persistent Luminescence for Anti-Counterfeiting Applications." Materials 16, no. 3 (2023): 1132. http://dx.doi.org/10.3390/ma16031132.

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The property of persistent luminescence shows great potential for anti-counterfeiting technology and imaging by taking advantage of a background-free signal. Current anti-counterfeiting technologies face the challenge of low security and the inconvenience of being limited to visible light emission, as emitters in the NIR optical windows are required for such applications. Here, we report the preparation of a series of Zn1+xGa2−2xSnxO4 nanoparticles (ZGSO NPs) with persistent luminescence in the first and second near-infrared window to overcome these challenges. ZGSO NPs, doped with transition-

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10

MacRae, C. M., N. C. Wilson, A. Torpy, and C. J. Davidson. "Hyperspectral Cathodoluminescence Imaging and Analysis Extending from Ultraviolet to Near Infrared." Microscopy and Microanalysis 18, no. 6 (2012): 1239–45. http://dx.doi.org/10.1017/s1431927612013505.

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AbstractThe measurement of near-infrared (NIR) cathodoluminescence (CL) with sufficient sensitivity to allow full spectral mapping has been investigated through the application of optimized grating spectrometers that allow the ultraviolet (UV), visible, and NIR CL spectra to be measured simultaneously. Two optical spectrometers have been integrated into an electron microprobe, allowing simultaneous collection of hyperspectral CL (UV-NIR), characteristic X-rays, and electron signals. Combined hyperspectral CL spectra collected from two natural apatite (Ca5[PO4]3[OH,F]) samples from Wilberforce

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