نتایج جستجو برای: narrow absorption window

تعداد نتایج: 246595  

2014
Byung Gyu Chae

Minsik Park et al. 1 http://dx.doi.org/10.4218/etrij.14.2113.0086 A holographic display system with a 22-inch LCD panel is developed to provide a wide viewing angle and large holographic 3D image. It is realized by steering a narrow viewing window resulting from a very large pixel pitch compared to the wave length of the laser light. Point light sources and a lens array make it possible to arbi...

Journal: :Prescriber 2023

Lithium has an important role in the management of bipolar disorder and treatment-resistant depression but its narrow therapeutic window means that careful monitoring is needed. This article discusses investigations, requirements, drug interactions complications to be aware ensure lithium prescribing as safe possible.

Journal: :Photochemistry and photobiology 2008
Hooi Ling Kee Ralph Nothdurft Chinnasamy Muthiah James R Diers Dazhong Fan Marcin Ptaszek David F Bocian Jonathan S Lindsey Joseph P Culver Dewey Holten

New classes of synthetic chlorin and bacteriochlorin macrocycles are characterized by narrow spectral widths, tunable absorption and fluorescence features across the red and near-infrared (NIR) regions, tunable excited-state lifetimes (<1 to >10 ns) and chemical stability. Such properties make dyad constructs based on synthetic chlorin and bacteriochlorin units intriguing candidates for the dev...

2016
Keith P. Shine Alain Campargue Didier Mondelain Robert A. McPheat Igor V. Ptashnik Damien Weidmann

Spectroscopic catalogues, such as GEISA and HITRAN, do not yet include information on the water vapour continuum that pervades visible, infrared and microwave spectral regions. This is partly because, in some spectral regions, there are rather few laboratory measurements in conditions close to those in the Earth’s atmosphere; hence understanding of the characteristics of the continuum absorptio...

Journal: :Applied optics 1999
L V Wang G Liang

The focusing of light into a turbid medium was studied with Monte Carlo simulations. Focusing was found to have a significant effect on the absorption distribution in turbid media when the depth of the focal point (the distance between the focal point and the surface of the turbid media) was less than or comparable with the transport mean free path. Focusing could significantly increase the pea...

2015
Shadab Gourav K. Singh Alka Ahuja Roop K. Khar Sanjula Baboota Jasjeet K. Sahni Javed Ali

Context: Drugs that are easily absorbed from the gastrointestinal tract (GIT) and have a short halflife are eliminated quickly from the blood circulation, require frequent dosing. To avoid this, the oral controlled release (CR) formulations have been developed in an attempt to release the drug slowly into the GIT and maintain a constant drug concentration in the serum for longer period of time....

Journal: :Applied optics 2003
Rabi Rabady Ivan Avrutsky

A reliable technology for optical resonant filters can be useful for optoelectronics technologies, optical communications systems, and biomedical applications. Positioning the resonance at a specific target wavelength is challenging because of the sensitivity of placing a narrow spectral filtering window tothe error factors that are associated with the fabrication and characterization processes...

1992
Hiroshi Shimodaira Mitsuru Nakai

This paper proposes a new technique for detecting pitch patterns which is useful for automatic speech recognition, by using a narrow band spectrum analysis. The motivation of this approach is that humans perceive some kind of pitch in whispers where no fundamental frequencies can be observed, while most of the pitch determination algorithm (PDA) fails to detect such perceptual pitch. The narrow...

1999
W. M. Lane F. H. Briggs A. Smette

We present a detailed study of the H i 21cm absorption system at z = 0.0912 towards the radio quasar B0738+313. The uncommonly narrow main absorption line and weak secondary line are resolved for the first time and have FWHM velocities of ∆v 1 = 3.7 and ∆v 2 = 2.2 km s −1 (main and secondary component respectively). In addition we find it necessary to add a third, broader shallow component to o...

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