Results 201 to 210 of about 6,585 (258)

Donor-acceptor complexes between photoinitiators and hybrid organic-inorganic SZ2080™ photoresist.

Mater Adv
Navickas M, Ladika D, Orentas E, Talaikis M, Niaura G, Grigalavičius M, Gaidys M, Fernández-Terán RJ, Malinauskas M, Vengris M.   +9 more
europepmc   +1 more source

Viscoelastic flow-integrated Raman spectroscopy platform ^†

Stovicek A, Serhatlioglu M, Rezaei B, Keller SS, Smets BF, Bentzon-Tilia M, Kristensen A, Dechesne A.   +7 more
europepmc   +1 more source

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Amplified spontaneous Raman scattering in fiber Raman amplifiers

Journal of Lightwave Technology, 1986
Amplified spontaneous Raman scattered light power in forward and backward Raman amplifiers is theoretically and experimentally studied under the assumption of the constant Raman gain coefficient in the bandwidth of an optical filter. On the basis of the results, the power ratio of the amplified signal to amplified spontaneous scattering is discussed ...
N Edagawa
exaly   +2 more sources

Amplified spontaneous Raman scattering and gain in fiber Raman amplifiers

Journal of Lightwave Technology, 1985
The spectrum of amplified spontaneous Raman scattering and gain in a fiber Raman amplifer has been calculated analytically as a function of distance and pump power. The model used makes no assumptions on the magnitude of the gain and considers the pump nondepletion region.
P Melman
exaly   +2 more sources

Spontaneous Raman and Surface-Enhanced Raman Scattering Bioimaging

2021
Raman spectroscopy is a specific, noninvasive and nondestructive optical technique and is able to obtain chemical information from molecules. Optical imaging based on Raman spectroscopy has been a powerful technique for monitoring minute chemical changes of biological samples and generating images through direct or indirect strategies.
Li, Lin, Jian, Ye
openaire   +2 more sources

The buildup of stimulated Raman scattering from spontaneous Raman scattering

Optics Communications, 1981
Abstract We present a quantum electrodynamic theory which shows for the first time how stimulated Raman scattering builds up, both spatially and temporally, from spontaneous Raman scattering. We analytically solve operator Maxwell-Bloch equations to find the Stokes field operator, and thus the Stokes intensity, for both monochromatic and broad-band ...
J. Mostowski, M.G. Raymer
openaire   +1 more source

Spontaneous Raman scattering in ultrasmall silicon waveguides

Optics Letters, 2004
We report spontaneous Raman scattering at 1550 nm in ultrasmall silicon-on-insulator (SOI) strip waveguides of 0.098-microm2 cross-sectional area. The submicrometer-scale dimensions provide tight optical confinement and, hence, highly efficient Raman scattering with milliwatt-level cw pump powers.
Jerry I, Dadap, Richard L, Espinola, Richard M, Osgood, Sharee J, McNab, Yurii A, Vlasov   +4 more
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Stimulated Raman scattering and spontaneous Raman solitons in ammonia

Infrared Physics & Technology, 1998
Abstract In this study we report the first observation of spontaneous Raman solitons in stimulated Raman scattering (SRS) by the gas NH 3 . The scattered radiation is called Stokes radiation. Raman solitons are of considerable interest, because their existence can be explained by quantum-mechanical fluctuations of the electromagnetic field in vacuum.
M.O. Baumgartner, D.P. Scherrer, F.K. Kneubühl   +2 more
openaire   +1 more source