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Evaluation of ultraviolet, visible, and near infrared spectroscopy for the analysis of wine compounds
spectral analysis glycerol chemometrics PLS PCR organic acids ethanol
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2014/3/28
Spectroscopy of UV-VIS-NIR combined with chemometric analyses was used as a non-destructive technique to build models for the quantitative characterisation of the main compounds of wine. The work in m...
High Q micro-ring resonators fabricated from polycrystalline aluminum nitride films for near infrared and visible photonics
High Q micro-ring resonators polycrystalline aluminum nitride films visible photonics Optics
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2012/5/29
We demonstrate wideband integrated photonic circuits in sputter-deposited aluminum nitride (AlN) thin films. At both near-infrared and visible wavelengths, we achieve low propagation loss in integrate...
Experimental demonstration of a broadband array of invisibility cloaks in the visible frequency range
Experimental demonstration broadband array invisibility cloaks visible frequency range Optics
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2012/4/20
Very recently Farhat et al. [1] have suggested that arrays of invisibility cloaks may find important applications in low-interference communication, noninvasive probing, sensing and communication netw...
Electric dipole-free interaction of visible light with silver metadimers
Electric dipole-free interaction visible light silver metadimers Optics
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2012/4/19
In subwavelength-sized particles, light-induced multipole moments of orders higher than the electric dipole are usually negligibly small, which allows for the light-matter interaction to be accurately...
Development of Rapid Assessment Method to Determine Bacterial Viability Based on Ultraviolet and Visible (UV-Vis) Spectroscopy Analysis Including Application to Bioaerosols
Bacterial viability Ultraviolet and visible spectroscopy Optical density Bioaerosols
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2016/3/25
We evaluated a method for the assessment of bacterial viability that is based on ultraviolet and visible (UV-Vis)
spectroscopy analysis. The quantities of intracellular materials inside a cell vary d...
A copper negative index metamaterial in the visible / near-infrared
copper negative index visible near-infrared Optics
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2011/8/11
Abstract: We propose a design for a novel plasmonic copper metamaterial with an index of refraction equal to -1 at an operating wavelength of 700 nm. Using numerical simulations, we demonstrate negati...
Optical Properties of Visible-light Excited Phosphor Sheet (VEPS) System
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2011/12/16
The optical properties in Visible-light Excited Phosphor Sheet (VEPS) system were discussed and calculated. Different to the conventional LED backlight with white LEDs, VEPS system applies blue LED ch...
EPR, UV-Visible, and Near-Infrared Spectroscopic Characterization of Dolomite
Dolomite Carbonate minerals Near-Infrared Spectroscopic
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2009/9/4
Dolomite mineral samples having white and light green colors of Indian origin have been characterized by EPR, optical, and NIR spectroscopy. The optical spectrum exhibits a number of electronic bands ...
Double-negative metamaterial edges towards the visible
index of refraction materials
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2007/3/19
16 March 2007，Naturally occurring materials have a positive index of refraction, whereas a negative-index metamaterial (NIM) has a structure that is engineered artificially to have a negative index of...