نتایج جستجو برای: resonance light scattering

تعداد نتایج: 692288  

2013
D. L. Rousseau P. F. Williams F. Williams

Resonance Raman scattering of light from a diatomic molecule" (1976). Resonance Raman scattering from a homonuclear diatomic molecule is considered in detail. For convenience, the scattering may be classified into three excitation frequency regions-off-resonance Raman scattering for inciderit energies well away from resonance with any allowed transitions, discrete resonance Raman scattering for...

Journal: :Journal of Automated Methods & Management in Chemistry 2007
Xin Yu Jiang Xiao Qing Chen Zheng Dong Ming Xu

A resonance light scattering technique to determine tinidazole in drugs was developed by tetraphenylboron sodium (TPB). Tinidazole was found to bind B(C(6)H(5))(-) (4) anion and transformed to tinidazole-TPB aggregate which displayed intense resonance scattering light. Effects of factors such as wavelength, acidity, stabilizers, and interferents on the RLS of tinidazole TPB were investigated in...

2006
Laurence D. Barron

All molecules in a magnetic field parallel to the incident light beam show a small difference in the intensity of Raman scattering at 900 in right and left circularly polarized incident light. The most interesting effects occur in vibrational resonance Raman scattering from odd—electron transition metal halides, and in pure electronic resonance Raman scattering from both odd— and even—electron ...

Journal: :iranian journal of medical physics 0
pejhman ghassemi phd. student of the biomedical engineering, biomedical engineering dept., faculty of engineering, tarbiat modares university, tehran, iran. mohammad hossein miran baygi assistant professor, biomedical engineering dept., faculty of engineering, tarbiat modares university, teran, iran.

introduction: the human skin is an active medium from the optical point of view. therefore, the diagnostic and therapeutic techniques employing light are increasing. current optical techniques are based on the measurement of the intensity of reflected absorbed or backscattered light from or within skin. studies have shown that biological tissues, and in particular skin, demonstrate polarization...

2002
LIU Shaopu

The composition and existing species of the reaction production of Hg and X (X= Cl, Br and I) under different conditions, and their absorption, Rayleigh scattering (RS) and resonance Rayleigh scattering (RRS) spectra have been studied. The results show that the products exist in the form of nanoparticles as [HgX2]n aggregates under suitable conditions, and their average diameters increase with ...

2007
Luc Thévenaz Sanghoon Chin Miguel Gonzalez-Herraez

We demonstrate experimentally a novel approach for fast light generation based on a wideband compound spectral resonance using stimulated Brillouin scattering. The pulses experience fast light with extremely reduced distortion and small amplitude change. ©2007 Optical Society of America OCIS codes: (060.4370) Nonlinear optics, fibers; (290.5900) Scattering, stimulated Brillouin; (350.5500) Prop...

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